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Digital Advertising is known for two things: its potential and its shortcomings. This is not lost on us. It’s what drives us. Realizing the tremendous advantages of our business while eradicating the threats is nothing short of an obsession.

At Acuity, we strive to systematically and mathematically take the risk, mystery and waste out of the media buying process to ensure – and even prove – that every advertising dollar can be spent wisely and well.

Mobile Users


We provide unmatched audience insights for video, display, native, audio and connected devices, automating the process and ensuring transparency so you confidently capture attention and create 1 to 1 customer conversations.

Mobile Users


Our outstanding leaders are dedicated to advancing technology in marketing and advertising. With years of versatile experience and industry knowledge, Acuity’s leadership team is second to none. Working tirelessly to innovate our technology and meet the needs of our partners, Acuity has achieved outstanding financial performance and customer loyalty.

Tal Hayek


Co-Founder, Chief Executive Officer

Mr. Hayek is addicted to transformation. In 2004, Tal founded an ad-tech company, a marketing platform focused on lead generation and customer acquisition. In 2006, it was sold to a public company. Staying on for two years, Tal was a key contributor in helping the company’s revenue grow to $110MM in 2008. However, it was during his time at the helm that Tal began to notice major inefficiencies in media buying. In 2009, Tal shifted this value focus to digital advertising and Acuity was born.

Tal Hayek
Nathan Mekuz


Co-Founder, Vice President of Artificial Intelligence

Dr. Mekuz is the heart of Acuity’s industry leading technology. Through his expert guidance, Acuity’s machine learning algorithm has developed into an industry leader, utilizing bidding technology to optimize campaign performance in real-time. Dr. Mekuz has been researching machine learning algorithms for statistical pattern recognition and predictive analytics since 1997. His work has been published and cited in numerous professional publications, textbooks and patents. In his spare time Nathan enjoys swimming, running and cooking.

Rachel Kapcan


Co-Founder, Vice President of Client Operations

Ms. Kapcan began her career in the world-renowned Unit 8200 of the Israeli Intelligence Corps – whose alumni have gone on to found the backbone of Israeli high-tech, including Check Point, ICQ and AudioCodes. While in 8200, Rachel developed and designed contextual information and research systems and led projects developing a full-text retrieval system, including morphological and soundex searches. More recently, Rachel has managed multi-million dollar infrastructure projects in the financial services industry.

Rachel Kapcan
Joe Ontman


Co-Founder, Chief Business Development Officer

In 1998, Mr. Ontman founded OTA, a computer-supply company focusing on large enterprises. With a superior marketing team and plan in place, Joe defied the odds in an exceptionally competitive environment, landing clients including Mount Sinai Hospital, The Hospital for Sick Children, Credit Suisse, The University of Toronto, The Government of Ontario and many others. In 2007, he founded a successful affiliate marketing company specializing in client acquisitions via search marketing, email marketing and media buys.

Jonathan Pollack


Chief Financial Officer

Mr. Pollack joins AcuityAds from The JMP Group, a private investment and consulting firm. Previously, he served as the Chief Financial Officer and Corporate Secretary of Kaboose Inc (TSX) and the Executive Vice President of API Technologies Corp. (NASDAQ). He is a director of several public and private companies including CECO Environmental Corp. (NASDAQ) and Aeterna Zentaris Inc. (TSX). He also worked in investment banking in New York. Mr. Pollack received a Master of Science in Accounting and Finance from the London School of Economics and a Bachelor of Commerce from McGill University.

Jonathan Pollack
Seraj Bharwani


Chief Strategy Officer

Seraj is responsible for consumer insights on cross-screen, digital & social media. Previously, he led the Strategy & Analytics practice at Digitas for over 14 years. He joined the agency as part of the founding team that led the company through its early growth phase, the IPO and exit via acquisition by Publicis. Seraj is a graduate of MIT Media Lab and an author of several refereed articles on emerging, cross-screen, audience behaviors critical to driving business results.

Nick Greco


Chief Revenue Officer & General Manager, US

Nick Greto, is a graduate of Widener University in Chester, PA and has been in the advertising and marketing space in NYC since 2007. Having initially developed his skills in search, social and programmatic media, he was recently a part of a cutting edge team that led the industry in AI decisioning. As an executive with Magnetic Media he was integral in closing the transaction that brought this technology into the hands of Deloitte Digital. He has built several winning sales and marketing teams and currently leverages his AI and marketing skills as the EVP and General Manager in the US for AcuityAds. Nick currently resides in Bedford-Stuyvesant, Brooklyn with his wife, Dana, and his two daughters, Oona and Marigold. In addition to his marketing career, he fills his spare time running a non-profit organization entitled Sounds of Saving.

Nick Greco
Oren Hisherik


Chief Technology Officer

Oren has over 25 year of experience in information technology, managing high profile business/digital transformation programs in both mobile and telco for AT&T, Verizon and Rogers.