Our team has been fighting fraud for over 15 years.

Seeing how fraud harms the advertising industry,
we have made it our mission to make e-commerce and online advertising fraud free.


Asaf Greiner

Previously VP products at Cyren (Nasdaq: CYRN), Asaf brings management and product expertise.
A successful entrepreneur, Asaf is the co-founder of Aduva (acquired by Sun/Oracle) and beeFENCE, one of the pioneering companies in fighting botnets.
Asaf holds an MBA from IDC.

Zac Sadan

Previously the Chief Scientist at Cyren (Nasdaq:CYRN), Zac brings world class academic and hands-on expertise in information and reputation systems.
Zac has been holding key research & innovation roles in the security industry since 1999.
Zac holds a PhD in Information Systems from Bar-Ilan University.


Eyal Chomsky


An accomplished businessman, strategic consultant and advertiser, Eyal is the founder and CEO of Adler Chomski Group – Israel’s largest marketing and advertising group. Eyal is an active investor in ad-tech and mark-tech and is currently involved with several innovative digital advertising initiatives. He was a seen investor in 5 min’, Supersonicads and Kenshoo. Eyal has a BA in Economics and an MBA, both from the Hebrew University, Israel.

Sarit Firon

Board Member

With over 20 years of business experience to her name, Sarit Firon, a business executive, brings a wealth of knowledge and expertise to Protected Media's board. Previous CFO of ad-tech companies MediaMind and Kenshoo, Sarit has invaluable, hands on experience in leading companies towards global success. Sarit has led successful IPOs on NASDAQ and overseen acquisitions of major startups by Cisco and DG Corp. Sarit previously served as CEO of Extreme Reality and CFO at Olive Software, P-Cube and RADCOM and holds a B.A. in Accounting and Economics from Tel-Aviv University, Israel.

Alex Liverant


A world class expert in ad fraud and video advertising, Alex Liverant has over 25 years of experience in software and system development. As the former co-founder and CTO of DoubleVerify, Alex designed and developed the core technologies of the company and helped it grow from a two-person operation to a company of more than 150 employees. Most recently Alex served as CTO of Anyclip Media. Alex earned his BSc degree in computer and software engineering from The Technion, Israel Institute of Technology.

Tamar Reshef Bezalel

Board Member

A seasoned advertising CEO and business developer, Tamar controls the ins and outs of the advertising world, and brings with her over a decade of hands on experience in advertising, strategic planning and marketing. Tamar is currently VP Business Development at Adler Chomski Group, and previously served as the joint CEO of Adler Brands, the group’s branding agency. Tamar has a BA in Economics and an MBA, both from Tel-Aviv University, Israel, where she also serves as an assistant professor of strategy and entrepreneurship.

Ofer Tal

Board Member

Ofer Tal serves as General Partner at Cresson Management LLC. Based in Israel, he leads Cresson’s new investments and oversees its entire portfolio. Ofer brings 20+ years of executive, commercial & operational experience in building global businesses and defining and executing product and go-to-market strategies. Amongst others, he was the VP of International Sales & Business Development at cloud-based security provider CYREN (NASDAQ:CYRN), leading a global team responsible for tens of millions of dollars in revenue and the CEO of Intelescope – an innovative Agtech startup developing image-analytics-based solutions for large forestry and crop farms. Ofer is currently Executive Chairman at Genesis Premium Herbs and sits on several Board of Directors of the fund’s portfolio.



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