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.” Prior to that, Jonathan spent 11 years in a number of executive roles – including CEO, COO, and CFO – at 24/7 Media, leading the company through its $649 million sale to WPP, the world leader in marketing communications. Jonathan was also an M&A investment banker at JP Morgan. Jonathan is a Director on Ghostery’s Board, an advisor to Tribeca Venture Partners, and a mentor in the NYC Venture Fellows Program. He has served on the World Economic Forum Technology Pioneers Council, Media.NYC.2020 Committee, Green.NYC.2025 Committee, and White House Forum on Business Innovation. Jonathan holds a BA in Economics from Harvard University and an MBA in Strategic Management and Finance from the Wharton School at the University of Pennsylvania.