Devorah Mayman Patt, Advocate, CEO

Devorah brings over 2 decades of experience to IVN. Most recently, Devorah initiated the establishment of an impact investment fund designed to invest in water and sanitation projects in Africa.  She has also served as a consultant for the establishment of a ‘social bank’.  During this period Devorah also provided consulting and business development expertise to various business ventures in Israel.
Prior to this, Devorah spent 10 years in senior management positions at AIPAC-AIEF, Israel, an Israeli non-profit organization affiliated with the pro-Israel lobby in Washington D.C. Her primary responsibilities included the planning, execution and management of over fifty AIPAC and AIEF educational seminars, bringing Members of Congress, Senators, Congressional staff, Presidential candidates, think tanks, African American, Latino and Christian leaders, Homeland Security Experts, and other opinion makers  to Israel,  to meet Israel’s  political, military and academic leadership.
Devorah started her career as an attorney in private practice, specializing in the field of government contracts and infrastructure projects.
Today Devorah also serves as an active member of the Board of Directors of the Israel Museum, and served as a member of the Advisory Committee of the Ruderman Family Foundation and the Israel Social Tech Forum. In the past, Devorah volunteered at the Israel Women’s Network and the UN Rotlevi Committee on the Rights of the Child.

Devorah has a Juris Doctor of Law from Georgetown University and a A.B with honors from Vassar College, both in the United States, and is a member of the Bar Association, in Massachusetts, Washington D.C. and Israel.


Iris Arazi, Chief Financial Officer

Iris joined IVN in 2009. Prior to this, Iris gained experience in the Venture Capital sector as a Controller at Vertex Venture Capital Fund and at Vitalife Life Sciences Venture. Before that, Iris was an auditor at Somekh Chaikin, KPMG in Tel Aviv.

Iris is a C.P.A. and holds a BA in Economics and Accounting.




Nirit Edeltin, Operations Manager

Nirit joined IVN as Operations Manager in 2012. Nirit brings with her a decade of experience in customer portfolio management and administrative projects, specifically from Playtech and G.R.A.D. Software.

Nirit has a degree in naturopathy (N.D.)




Hedva Fensterheim, Senior Manager, Social Business Projects

Hedva was the first Manager of Israel Venture Network’s Social Entrepreneur Fellowship Program, Israel’s first and leading program for Social Entrepreneurs. Prior to joining IVN, Hedva was the Founder and first Chairperson of the NGO Parents for Pluralistic Education and founded the Meitarim Raanana Junior High – High School for Pluralistic Jewish Education, now in its eighth year. Over the course of more than a ten year period, Hedva has served as Chairperson, Vice Chairperson and Member of Executive Parents Board of all of the schools where her six children attended. Prior to that Hedva founded and managed CIRO Israel, the Israeli franchise of the International Fine Fashion Jewellery retailer.

Hedva holds an MBA in Marketing Management and Organizational Behavior, a B.A. in Economics and Hebrew Literature and a Teacher’s Certificate.


Galit Perez, Bookkeeper

Galit , an accountant at IVN since 2017, brings extensive experience in accounting from many years working in large companies, including Davidoff Insurance and Family Offices. Galit is a certified bookkeeper and holds a B.A. in Social Science.





Shira Podhorzer, Senior Analyst

Shira has extensive experience providing both economic and operational consulting to businesses. During her work at the consulting firm Giza Singer Even, she conducted valuations, feasibility studies, and examined business plans for hundreds of active businesses and early initiatives through the state-guaranteed Enterprise Fund and for the Manufacturers Association Fund.
This experience enabled her to familiarize herself with many businesses in various sectors of the economy, gathering in-depth understanding of the needs and challenges they face, and the actions required for them to develop and grow. She also has experience in marketing and product management as part of her work at Getter Group. Shira puts great importance on the assimilation of skills and tools from the business world for the purpose of developing the social sector.
Shira holds a BA in Business Management from the IDC Herzliya.



Varda Shoham Director, IVN Seed Fund

Varda serves as Manager, Social Business Projects and brings with her years of marketing & sales and management experience in areas of consumer products, academia and hi-tech. Before joining IVN, Varda was CEO of Sodastream – Israel, Tango (subsidiary of Clal industry) and Ram Institute; VP of Marketing at Largo Computers and University of Derby.
Varda holds an M.B.A. and a B.Sc. in Biology from Northeastern University, Boston.




Michal Woolfson, Professional Director

Responsible for the professional management of the IVN-Yozma Social Fund initiative, Michal brings with her two decades of experience in development and management of social programs, catering to a variety of disadvantaged populations. Michal has a very strong professional background in the area of measurement & evaluation of social programs. During her time at the Myers-JDC-Brookdale Institute, Michal managed a quality improvement initiative for programsdealing with at-risk populations and was a partner in many evaluation studies dealing with the integration of immigrants and immigrant teens, youth at risk and people with disabilities. In her last position, as Director of Planning and Control, at the Lazlo Tauber Foundation, Michal developed and led projects in various social spheres.

Michal holds a B.A. in Sociology and Political Science and an M.A. in public policy and nonprofit management, both from the Hebrew University in Jerusalem.