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Our Team

Jon Medved | Founder, CEO

Jonathan Medved is according to the Washington Post, ”one of Israel’s leading high tech venture capitalists”. In the September, 2008 NY Times Supplement “Israel at 60” Medved was named one of the top 10 most influential Americans who have impacted Israel. Medved has invested in over 100 Israeli startup companies, helping 12 of them to get to valuations in excess of $100 Million dollars. Medved was the co-founder and until recently the CEO of Vringo, a leader in mobile social applications which went public in June 2010. (NASDAQ: VRNG). Prior to Vringo, he was the founder and general partner of Israel Seed Partners (a $260M Israeli venture capital fund). At Israel Seed he led a number of successful investments and served as a Director on the Board of several portfolio companies including: Compugen (Nasdaq: CGEN), Business Layers (acquired by Netegrity, Nasdaq: NETE), Broadlight (acquired by Broadcom, Nasdaq BRCM), Answers.com (Nasdaq ANSW, acquired by Summit), Native Networks (acquired by Alcatel, Nasdaq ALU), and Xtellus (acquired by Oclaro, OCLR). Between 1982 and 1990, he was a founder and the EVP of Marketing and Sales at Meret Optical Communications. Meret was acquired by the Amoco Corporation (NYSE: AN) in 1990. He was also part of the founding management team at Accent Software (Nasdaq: ACNTF), a leader in multilingual software where he served as EVP of Marketing and Sales in 1993-1994.

Steven Blumgart | Chairman

Mr. Steven Blumgart is an investor in, and board member of, a number of privately-held businesses. Until January 2012, Mr. Blumgart was Co-director of the aluminum division at Glencore International plc, one of the largest commodity trading firms in the world, valued at $40bn. Mr. Blumgart joined Swiss based Glencore in October 1998, where he served in the coal commodity department, responsible for its industrial assets, before moving to the aluminum division. Prior to joining Glencore, Mr. Blumgart worked for three years at Grant Thornton in Johannesburg. Mr. Blumgart completed his Bachelor of Commerce (Tax Honours) degree from the University of Witwatersrand, and is a South African Chartered Accountant. In addition, Mr. Blumgart holds the Chartered Financial Analyst (CFA) designation.

Anthony DeChellis | President of OurCrowd

Anthony DeChellis is President of OurCrowd, where he is responsible for the platform's global expansion and oversees all marketing and investor relations. DeChellis previously served as CEO of Credit Suisse' Private Banking Americas, a wealth management unit of the firm managing over $200B in assets for clients in North and South America. At Credit Suisse, DeChellis was on the Board of Credit Suisse Securities USA and the Private Banking Global Management Committee. Prior to Credit Suisse, DeChellis was the head of UBS Private Wealth Management in the U.S. DeChellis also spent 15 years at Merrill Lynch, where he held a range of leadership positions, including Head of European Private Banking based in London, and sat on the board of Merrill Lynch International Bank. DeChellis earned his MBA at the University of Chicago and a B.A. in Economics from Rollins College. DeChellis resides in Connecticut and operates out of the OurCrowd New York City office.

Pini Lozowick | General Partner

Pini Lozowick is a serial entrepreneur, angel investor and venture capitalist. Pini has been a General Partner at the London based VC, Alta Berkeley, since 2003. He has backed multiple Israeli and US companies, 5 of which had a combined value on exit of over $3Billion. Pini was one of the first employees of Broadcom (BRCM) and their first Director of Marketing. Pini served as Chairman of Provigent which was sold to Broadcom for $350Million. Pini is also the founder and GM of Verisense, a Jerusalem based chip design company.

Zack Miller | Head of Investor Community

Zack Miller has been growing investment businesses for the past decade. He's held senior leadership positions and consulted to some of the top next-generation finance sites including Seeking Alpha, Lending Club, LearnVest, Wall Street Survivor, Covestor, and SigFig. Zack began his career in finance as an equities analyst at a multinational hedgefund. He's also the author of Tradestream your Way to Profits: Building a Killer Portfolio in the Age of Social Media (WIley, 2010) and runs the popular investing website Tradestreaming.com. Zack received his MBA from Northwestern's Kellogg School of Management and his BA in Economics from Harvard.

Elan Zivotofsky | General Partner

Elan Zivotofsky has over 15 years of extensive, on-the-ground experience, focused on researching, raising capital for, and investing in Israeli companies. Elan has deep knowledge of the Israeli investment landscape, startup scene and the overall Israeli capital markets. Until recently, Elan was the Managing Partner of the Prelude Israel Fund, which was a hedge fund focused on Israeli companies. Elan was a Senior Vice President and the Head of Technology investment banking at Lehman Brothers in Israel from 2005-2008. Prior to that position, Elan was a portfolio manager at a global $1.5 billion hedge fund with a focus on long/short, catalyst driven and special situation investing. Between 1997-2002, Elan was a top-ranked Israeli technology research analyst at Goldman Sachs. Elan started his career as a technology research analyst at Morgan Stanley in New York (1994-1997). Elan received a BA from the University of Pennsylvania (magna cum laude).

Evelyn Rubin | Business Development Partner

Evelyn Rubin joins OurCrowd after more than a decade of experience in Israel’s venture capital and technology industries. Evelyn was a Senior Editor at Seeking Alpha, a leading online destination for stock market opinion and analysis.She was formerly a Senior Associate at JVP, a leading international venture capital fund headquartered in Jerusalem. At JVP, she focused on early stage investments in new materials and semiconductor companies. Prior to JVP, Evelyn was Director of Business Development at CipherIT, an early stage mobile security company. Evelyn holds an undergraduate degree in History and East Asian Studies and an MBA with a concentration in Finance, both from Hebrew University.

Danna Hochstein Mann | Partner, Head of Investor Relations

Danna is the former VP Business Development at JVP Properties, the business, media and cultural facilities management arm of JVP Venture capital. In this role, Danna was responsible for the further development and ongoing management of the JVP Media Quarter, home to fund offices, portfolio companies, nonprofit organizations, restaurants and more. Previously, Danna was Senior Manager of Investor Relations & Marketing at JVP. Prior to JVP, Danna worked in the Global Marketing Department of The Estee Lauder Companies and served as Human Resources Manager for Banter, an Israeli start-up. Danna is Chairperson of PresenTense Israel’s Board of Directors, where she works with management and mentors local social entrepreneurs. In her roles at OurCrowd and PresenTense and as a local activist, Danna combines her passions for entrepreneurship and the city of Jerusalem, where she was born and raised. Danna holds an Executive MBA from the Kellogg School of Management and a BA in Business Administration and Jewish Folklore from the Hebrew University.

Robert Citron | CFO

Robbie Citron brings to OurCrowd over 25 years of experience in financial management, including over a decade of working with start-ups through his role as Partner and CFO of Jerusalem Global Ventures, a leading Israeli venture capital fund. He also serves as consulting CFO for a number of independent Israeli biotech and medical start-ups, most recently with Izun Pharmaceuticals and Molecular Detection, Inc. Earlier in his career, Robbie was Financial Controller and Company Secretary of the Israeli branch of Hanson PLC and worked as a public accountant with PricewaterhouseCoopers in Israel and BDO Stoy Hayward in London. He is a Certified Public Accountant in Israel and a Fellow of the Institute of Chartered Accounts in England & Wales. Robbie received an honors degree in accounting and finance from the London School of Economics and Political Science and sets aside part of his spare time to work with a number of Jerusalem based charitable institutions.

Jay Kalish | SVP, General Counsel

Jay Kalish has extensive legal, investor relations and management experience over the past 20 years. He has served as general counsel to Israeli companies traded on the NASDAQ, including Teledata Communications and e-SIM, as well as to several start-ups. Jay has successfully served as senior investor relations executive to public Israeli companies including Allot Communications and ECI Telecom, building significant institutional following for his companies in the US, Europe and Israel. He also served previously as CEO of the Patir technology incubator, where he succeeded in obtaining follow-on funding for five out of seven early seed portfolio companies. Jay holds a BA in economics from Yeshiva University and a JD from the Cardozo School of Law, and is admitted to practice law in New York and Israel. He volunteers at Paamonim, an organization enabling people to become financially stable, and in his spare time enjoys jogging and photography.

Joel Maryles | Venture Partner and Chief Exit Officer

Joel Maryles has been actively involved with Israeli technology and healthcare companies for twenty five years. Maryles established and managed the Israeli investment banking operations for Citigroup/Salomon Smith Barney and ran it for over a decade. Prior to that he was a Managing Director at Furman Selz where he ran their Israel-focused investment banking operations. Maryles has been involved in over 60 successful transactions for Israeli companies including IPOs, private placements, debt offerings and mergers and acquisitions. Additionally, Maryles has held senior positions in both investment management and sell-side research at a variety of Wall Street firms. Maryles holds a B.Sc. degree in engineering from the University of Illinois and an M.B.A. from the University of Chicago.
Gadi Mazor | General Partner, CTO

Gadi Mazor served in the Talpiot Intelligence program (8200) and finished IDF’s officers course with extreme honors. He received a B.Sc. and M.Sc. in Mathematics and Probability with Distinction through the Addi Lautman Interdisciplinary Program for Fostering Excellence at the Tel Aviv University. Gadi founded and managed three startup companies in the fields of character and voice recognition and wireless communications, and sat on an advisory board of RIM (BlackBerry). Gadi holds patents on various aspects of wireless communications, and served on the US Senate committee that defined the US public alert system. His companies sold wireless solutions to over 1,600 enterprises, including the US Senate and House of Representatives, CitiGroup, Coca Cola, Raytheon, and many others. In the spring of 2013, Gadi was awarded the entrepreneur of the year award from Blackberry. Gadi is a marathon runner and was one of the crazy people who swam the length of the Sea of Galilee in the summer of 2010.

David Stark | Principal

David began his career as an investment analyst at Blackstone in the Real Estate Private Equity group, where he was involved in multiple leveraged buyout acquisitions with a combined value of over $700 million. David served in the Givati Rotem Brigade and finished basic training as the “most exemplary soldier” in his company. David graduated summa cum laude from the Wharton School of the University of Pennsylvania with a B.S. in Economics and was a Joseph Wharton Scholar. David enjoys skiing, fishing and craft beers.

Audrey Jacobs | VP OurCrowd Americas

Audrey Jacobs is a public relations and marketing veteran of 20 years who’s served clients in financial services, high tech, bio tech, medical to non-profits.In addition to having her own marketing firm specializing as a media relations coach, she was part of a US media relations team for global PR firm Porter Novelli.Recently she left the corporate world to pursue her Zionist passion to found and lead the San Diego chapter of StandWithUs, a global Israel education and advocacy organization.Audrey built in San Diego an exciting StandWithUs chapter with a large crowd of Venture Capitalists, CEO’s and Investors. Through her 20 year experience fundraising and organizing event as a lay leader for Jewish and Israel causes, Audrey has received numerous Jewish leadership awards.Audrey received her BA from San Diego State University (magna cum-laude).She is a sixth-generation Dallas, Texan and an avid runner.

Heather Vanderhoof | Head of Strategic Initiatives

Heather Vanderhoof has an extensive track record of developing new businesses both in the US and internationally. She was most recently the Chief Operating Officer for Private Banking USA at Credit Suisse where she worked to expand the UHNW client business. Prior to her role as COO, she was the Head of Human Resources and Chief of Staff for Private Banking Americas. Heather joined Credit Suisse from UBS, where she worked for nine years in progressively senior roles in a variety of areas of the Private Client Group, including Corporate Employee Financial Services in both New York and Zurich and then as the Business Manager for the Private Wealth Management division. She holds a Bachelor of Arts in Ethics, Politics and Economics from Yale University and an MBA degree from the University of Pennsylvania’s Wharton Business School.
Chaim Meir Tessler | Dealflow Manager

Chaim Meir was previously involved in real estate development in New York City with Tessler Developments, where he was involved in the development of over 600 luxury apartments and housing for 400+ students with a combined value of over $1B, including the first building in NYC to have Smart Home Technology built into each unit. During that time, Chaim Meir founded and operated an outsourced workforce business employing over 70 people. Prior to his real estate career, Chaim Meir received his degree in Rabbinics from The Chief Rabbi of Israel, and then studied Marketing in NY, where he graduated cum laude. In 2012, Chaim Meir moved to Israel with his wife and children. He is a technology enthusiast who loves learning, and creating.
Denes Ban | Vice President

Denes has dedicated more than 10 years to fostering growth and shaping corporate strategy for companies around the globe. Denes joins OurCrowd as the co-founder of PocketGuide, a winner of Techcrunch Europe, where he led the company to become the world’s leading travel guide mobile app with millions of users across 100 cities. Prior to building PocketGuide, he served as Chief Revenue Officer at Futureal, one of the largest Central European real estate investment partnerships. In addition, Denes led one of the European sales and consulting units of Exportradet, a leading management consulting firm, where he set international corporate strategy and increased the profitability of over 100 companies including Ericsson, Electrolux, H&M and Absolute Vodka. Denes holds an MBA from Umea University in Sweden and attended an EMBA at the Stockholm Business School. Denes also sits on the board of TLV Internationals, an NPO that serves as the largest international community center in Tel Aviv. On Saturday nights you can find him playing blues and jazz with his band.

OurCrowd Australia

Geoff Levy AO | Chair of the OurCrowd Advisory Board

Geoff has significant experience in law, banking and investing, and is regarded as an expert in mergers and acquisitions, capital raisings and general corporate commercial law.

Geoff is co-founder and Chairman of Monash Private Capital, as well as non-executive Chairman of ASX listed companies Specialty Fashion Group Limited and Cromwell Property Group Limited. He was appointed Chairman of the Property Asset Utilisation Taskforce by the NSW Government in December 2011. Geoff was formerly CEO and Executive Chairman of Investec Bank (Australia) Limited Geoff has held a number of non-executive directorships of ASX listed companies and Federal Government entities

Prior to Investec, Geoff was a principal of Wentworth Associates, a boutique investment and advisory firm acquired by Investec Bank (Australia) Limited in 2001, and prior thereto was a partner of the law firm, Freehill Hollingdale & Page (now Herbert Smith Freehills). Geoff was appointed an Officer of the Order of Australia in the Queen’s Birthday honour list 2005.

Geoff holds a Bachelor of Law from the University of New South Wales, a Bachelor of Commerce from the University of Witwatersrand, a diploma from the Securities Institute of Australia and is a Fellow of the Australian Institute of Company Directors.
Nathan Cher | Director, OurCrowd Australia

Nathan is co-founder and director of a string of companies (listed and unlisted) in the areas of technology, startups and property. 

Nathan pursues industry niches where improvement in customer-service through leveraged-technology & systems translates directly into increased shareholder value. In 2005 Nathan co-founded and chaired Real Estate Corp (RUN Property) which became Australia's largest independent residential Real Estate manager. The company was successfully sold in 2014. Nathan spent 14 years as a technical director and shareholder of Com Tech Communications which was later purchased by Dimension Data, and was recognised as the leading provider of network integration, training and distribution services in Australia employing over 1400 staff. 

Nathan studied Computer Science and Electrical Engineering at the University of Sydney. He is a Fellow of the Australian Institute of Company Directors.
David Shein | Director, OurCrowd Australia

David has been involved in investing in and managing a number of start-up and early stage technology companies, many of which have been successfully exited. 

David was the founder and Managing Director of Dimension Data Australia Pty Ltd. and established Dimension Data Australia (formerly Com Tech Communications) in July 1987 as a Specialist Supplier of networking and communications products. At the time of sale, Dimension data employed over 1400 people, had revenues of $700mil with no external debt. The company was sold for an enterprise value of over $1bil on 2000. David actively mentors management teams. 

David recently served as the Chairman of Centric Wealth Advisers Ltd. and was Chairman of Holly Connects, Inc. David was also Executive Chairman and Founding Investor of Macromatix . David is currently Non-Executive Chairman of Montech Holdings Limited. 

David holds a B.Comm and B. Acc from the University of Witwatersrand.
Joey Fridman | Director, OurCrowd Australia

Joey has extensive experience in investment management, investment banking, risk management, strategy and executive financial management.

Joey is co-founder and CEO of Monash Private Capital and was formerly Chief Financial Officer of Investec Bank (Australia) Limited. In addition to his CFO responsibilities, he chaired the Investment Committee, was closely involved in a number of its principal investment and funds management activities either as a director or board attendee, and had oversight for strategy and internal acquisitions for the Bank.

Prior to his role as CFO, Joey was one of the founding members of Investec’s corporate finance advisory division working across a range of private equity and corporate clients on mergers, acquisitions, privatisations, capital raisings and strategic corporate advice. Prior to Investec, Joey worked at PricewaterhouseCooopers in their corporate finance division.

Joey is currently Non-Executive Director of Montech Holdings Limited.

Joey is a Chartered Accountant and has a Bachelor of Commerce (Honours) from the University of Witwatersrand and an M.B.A from the Australian Graduate School of Management.
Dan Bennett | Managing Director, OurCrowd Australia

Dan has over 12 years of global experience in private banking, investment and law.

Dan is the former Head of Business Affairs at Future Capital Partners in London which has made venture investments of over $13 billion. Prior to this, Dan was the head of the Australian legal team for Australia's largest renewable energy business, Infigen Energy (formerly a Babcock & Brown Wind Partners), a listed vehicle on the Australian Stock Exchange.

Dan's professional career has focused on investment and deal execution, specifically M&A activity (structuring, negotiating and de-risking), financing, green field project development and asset management. Dan also worked with Minter Ellison lawyers in their Finance Group.

Dan holds a Bachelor of Law and Bachelor of Commerce from the University of New South Wales.
Sean Ickowicz | Business Development, Australia

Sean has significant global, start up and corporate experience. Sean has built a successful career covering both international business and high growth companies and has gained significant experience in leading corporate/business development, new business opportunities, strategy and competitive intelligence roles.

Sean’s career highlights include being one of the early employees of SEEK Ltd (www.seek.com.au) focused on product and business development roles. Sean then spent over five years as a Senior Manager in the Corporate Development and Strategy team at the REA Group (www.realestate.com.au) Sean was instrumental in spearheading REA’s aggressive growth strategy and rapid expansion both within Australia and into nine new countries.

Sean holds a Bachelor of Business and Commerce from Monash University.

Venture Partners

Wolf Bielas | Venture Partner

Wolf Bielas is the Managing Partner of Wolfpack Ventures in San Diego, CA and a veteran of the technology industry. Less than a year after graduating from Mexico’s renowned Monterrey Institute of Technology, Wolf founded Computer Outlet, Inc. In 1991, Wolf founded Retail Systems International, which he then sold to Zebra Technologies (NASDAQ:ZBRA) in 2005. After the sale, Wolf founded RSI ID Technologies which merged with Sirit inc. (TSX:SI), a publicly traded company based out of Toronto, in 2008.From 2008-2010, Wolf was the President of Latin America for Sirit. After selling Sirit to Federal Signal Corporation (AMEX:FSS) in 2010, Wolf started Wolfpack Ventures, a venture fund for startup companies. Wolf holds a degree in Computer Engineering and has completed MIT’s Entrepreneur Masters program. His primary areas of expertise include corporate growth, M&A, software development and implementation, manufacturing, customer service, corporate leadership, and sales. Wolf currently serves in the board of directors for the Eastlake Business Association and is married with three children. His pastimes include yachting, running triathlons, and skiing.He is fluent in both Spanish and English.

David Goodtree | Global Venture Partner

David Goodtree is an active investor and board advisor in technology companies in the U.S. and Israel, serving as a Global Venture Partner for OurCrowd, and on the firm’s Board of Advisors. David is a frequent speaker on the innovation economy, testifying for the US Congress regarding water tech, and delivering presentations at venues such as TEDxBoston, the MIT Enterprise Forum, the Brandeis Global Trade Summit, E2 Environmental Entrepreneurs, and is sought for comment by the Wall Street Journal, NY Times, USA Today. Goodtree is the author of the “Massachusetts-Israel Economic Relationship” and has led trade delegations to Israel for hundreds of senior executives in business, investment, government, and academia in his role as a board member of the New England-Israel Business Council. He co-organized the “W.E.T. Revolution Competition” to highlight innovative water tech companies, created the Massachusetts Water Industry Market Map, and is a founding member of the New England Water Innovation Network. Previously, David was VP Marketing with Akamai Technologies from the company’s pre-commercial launch through IPO, and also served as Group Director of Forrester Research, providing market research and strategic advice in telecommunications, networking, and computing.
Sigal Widman | Human Capital Consultant

Sigal Widman worked more than ten years in the Venture Capital Industry. She was Vice President Human Resources and a Partner in Israel Seed Partners, Human Capital Consultant in Benchmark Capital Israel and Vice President Human Capital in Gemini Israel Fund. During those years, Sigal accumulated unique experience in management assessment of companies in the due-diligence stage prior to the investment decision.Sigal holds a BA in Hebrew Literature & General Studies from the Hebrew University and a Certificate in HR Management from the Open University. She graduated of the Coaches Training Institute (CTI), a US-based global training school accredited by the International Coach Federation (ICF), and has Group Leadership Certification from Bar-Ilan University.

Dr. Morris Laster | Venture Partner

Dr. Morris Laster is a physician with over 20 years of experience in the biopharmaceutical industry and expertise in identification, development and management of advanced biomedical drugs and technologies. Currently, Morris is the inventor and developer of an implantable artificial kidney system, around which he built Clil Medical. He has founded 6 companies that have gone public in the US, UK and Israel. Most recently (2003-2009) he was the founding CEO of BioLineRx Ltd. (TASE:BLRX). From 1997-2002 he was the Chairman and CEO of Keryx Biopharmaceuticals (NASDAQ:KERX). He began his career as a VP of medical venture capital at Paramount Capital in NYC. He received his MD from Downstate Medical Center, Brooklyn, NY in 1990 and a BS in Biology from SUNY Albany.
David Waimann | Energy Venture Partner

David Waimann is an experienced entrepreneur having built and founded more than seven technical enterprises. After successful exits from two industrial start-ups, he decided to focus on the renewable energy industry and has built and run solar, algae, electric battery, and tidal energy enterprises. Before coming on Aliya, David worked on United Nations and World Bank Projects in Africa, and has degrees in Economics from Cambridge and Engineering Science from the University of Rochester.
Eduardo Shoval | Venture Partner

Eduardo Shoval has 25+ years of experience as an Entrepreneur and high tech management. He co-founded seven high tech with a five succesfull exits; four of them with valuations in excess of $400 Millions with total business creation of Billions of dollar. Eduardo successfully steered them through the challenging stages of rapid growth, which are critical for start-ups. Eduardo served as Chief Executive Officer at Optibase, Accord Video Telecommunications, LaserComm and accells technologies. He served as the Chairman of LaserComm. He served as a Director of BigBand Networks, Inc. He served as Chairman of Sirica Corporation. He serves as the Chairman of accells technologies. Aside from his own entrepreneurial activities, he is also an Angel investor and has provided management and consulting services to several other Israeli high tech start-ups. Mr. Shoval completed his B.A. in Economics and his MBA at the Tel-Aviv University.
Jeffrey Belk | Venture Partner

Jeffrey Belk is Managing Partner of Bright Light Management, LLC, focused on identifying and investing in growth opportunities in a selection of high-growth technology segments. Formerly, Belk spent almost 14 years at Qualcomm Incorporated, where prior to his departure in early 2008, he was Qualcomm’s senior vice president of strategy and market development.


From 2000 until 2006, Belk was senior vice president, global marketing, leading a team responsible for Qualcomm's corporate messaging, communications, and marketing worldwide. In 1999-2000, Belk was SVP & GM of Qualcomm Eudora Products, Qualcomm’s award winning email client. In 1997, Belk was named VP, marketing of Qualcomm Consumer Products, and initiated the company’s global branding and communications efforts. Prior to Qualcomm, Belk spent ten years in the early growth years of the PC industry, primarily with Proxima Corporation. Belk joined the company in 1983, when the company was less than 25 employees, and was with the company through its IPO in the early 90’s in several key distribution, product management, and international roles.


Belk currently serves on the Board of Directors of Peregrine Semiconductor (Nasdaq: PSMI), InterDigital Corporation (Nasdaq: IDCC), the Wireless Life Sciences Alliance, and the UC San Diego Alumni Association. Belk graduated UC San Diego with a degree in Economics, and has an MBA from UC Irvine.

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