Marissa Gluck is a writer, speaker and consultant covering the marketing and media industries. As an expert on digital marketing and technology, Gluck has often been quoted in media outlets such as The New York Times, The Wall Street Journal, Advertising Age and Business Week. Additionally, she has appeared on CNBC, CBS Marketwatch, CNNfn, and NPR.

Gluck has spoken at major industry conferences in the United States and Europe including AAAAANA e-business Conference and Trade Show, AD:TECH, OMMA, and JupiterCannes Lions Global Advertising Forum. She has also addressed several university audiences and professional organizations, including USC's Annenberg School of Communication, NYU's Stern School of Business, and the IAB.

Gluck was formerly a senior analyst at Jupiter Research, where she advised clients including Interpublic Group, DoubleClick, CBS, AOL Time Warner, and WPP on online advertising and marketing. Prior to joining Jupiter, Gluck was the research and emerging technologies specialist at i-traffic (now part of agency.com), providing strategic analysis and oversight of partnerships for clients such as Eddie Bauer, CDnow and Disney. Before that, she worked in account management at the advertising firm Ammirati Puris Lintas (now Lowe).

Gluck earned a B.S. from Binghamton University and two Masters Degrees in Global Media and Communication from the London School of Economics and the University of Southern California. She also serves as adjunct faculty at the University of Southern California, teaching a course on virtual communities. In her spare time, she is the Co-Editor of the architecture and urban planning blog, Curbed LA.