Joanna joins MediaMath from AdExchanger where she was the founding member of the AdExchanger Research practice, developing syndicated primary research in the areas of programmatic advertising and audience targeting, and serving as an expert partner to marketers, agencies, publishers and advertising and marketing technology companies. Prior to AdExchanger, Joanna spent three years at Forrester Research, serving as Principal Analyst. Joanna has more than 15 years of experience in the marketing leadership industry. She started at digital advertising agency Avenue A in New York and was a founding member of Razorfish’s ATOM Systems agency trading desk. More recently, she ran brand relations for the Audience on Demand practice at VivaKi, helping advertising clients target and optimize broad-reaching interactive campaigns. Joanna graduated from Vassar College with a B.A. in psychology. She was a member of Phi Beta Kappa and graduated with departmental and general honors.