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Anna O'Brien Director of Content Marketing SPRINKLR
Joanna O'Connell CMO MEDIA MATH
Kerin O'Connor Chief Executive THE WEEK
Charlie O'Donnell Founder & Partner BROOKLYN BRIDGE VENTURES
Jon O'Donnell MD Commercial ESI MEDIA
Matt O'Grady CEO NIELSEN CATALINA SOLUTIONS
Mike O'Hagan VP, Operations THE PLAYERS TRIBUNE
Lara O'Reilly Media and Marketing Reporter THE WALL STREET JOURNAL
Hagan Ochsner Manager, Agile Marketing THE HOME DEPOT
Gabriele Oettingen Professor of Psychology NYU
Jonathan Oliver Global CCO UNLOCKD
Christi Olson Head of Evangelism, Bing MICROSOFT
Sam Olstein Director, Global Innovation GE
Sedef Onar Chief Talent Officer 72ANDSUNNY
Lindsay Orr Manager, Business Development and Special Project Lead PARSE.LY
Chrystal Ortiz Operations Manager TRUE HUMBOLDT
Ludwig Ortiz SVP, Group Strategy Director ENERGY BBDO
Mary Orton Co-Founder of mobile style app Trove and Fashion Influencer behind Memorandum TROVE & MEMORANDUM
Olivia Oshry Senior Manager OATH
Dave Otten CEO & Co-Founder JW PLAYER
Josh Otten Co-Founder PRØHBTD MEDIA
Kristo Ovaska Founder & CEO SMARTLY.IO
Shira Ovide Technology Columnist BLOOMBERG GADFLY
Dr. Mehmet Oz Heart Surgeon, Columbia University Professor, Author, and Television Personality