Member Type: Advisors

Brian O’Kelley


By Tribeca Venture Partners

Brian O’Kelley is CEO and Co-Founder of AppNexus, the world’s largest independent ad tech company and one of the most successful technology companies in the history of New York. Widely considered a visionary in Internet advertising and

Will Margiloff


By Tribeca Venture Partners

Will Margiloff serves as CEO of IgnitionOne. Margiloff is charged with the overall vision and strategic direction of IgnitionOne’s services and Digital Marketing Suite. With digital marketing experience stretching back to 1995, Margiloff

Jonathan Hsu


By Tribeca Venture Partners

Jonathan is Chief Financial Officer and Chief Operating Officer of AppNexus. A respected media and tech industry veteran, he previously served as CEO of Recyclebank, one of Fast Company’s “50 Most Innovative Companies in the World.”

Stephen Messer



Stephen Messer is the vice chairman of Collective[i] and a founder of the company, along with Tad Martin and Heidi Messer, his sister. Prior to Collective[i], Stephen and Heidi co-founded LinkShare Corporation, a host to one of the

Jacob Pechenik


By Tribeca Venture Partners

Jacob is currently the Founder & CEO of Venture Forth Productions, a specialty film finance and production company. Previously, Jacob was Founder and CEO of YellowJacket, which was acquired by IntercontinentalExchange (NYSE:ICE) in