Our Team

Tom Vladeck // Managing Director // New York City

Tom studied marketing and statistics at Wharton, where he received his MBA. Prior to Wharton, he received a master’s degree from the London School of Economics, and studied math at Pomona College. He has produced quantitative models for multiple Fortune 500 brands, startups, and small- and medium-sized businesses (and, in a prior life, for global climate policy reports).
Much of Gradient’s work draws on the cutting-edge marketing research performed at Wharton by Tom’s advisors and mentors.

Marcin Kosiński // Statistician // Warsaw, Poland

Marcin has a master’s degree in Mathematical Statistics and Data Analysis from the Warsaw University of Technology. Challenge seeker and R enthusiast. Co-organizer of the 1200+ member R Enthusiasts Meetup in Warsaw. R package developer, especially in survival analysis. He has also been a subject matter expert for the 2000+ member Data Crunchers Online R Course at The Warsaw School of Data Analysis. In September 2016, Marcin began his PhD at the Faculty of Mathematics and Information Science at Warsaw University of Technology.

Patti Williams // Advisor // Wharton

Professor Patti Williams’ research examines ways consumers’ emotional responses influence consumption and persuasion. Her current research projects focus on how emotions influence consumer decisions and processes of persuasion; consumer responses to emotional and attitudinal ambivalence; emotion regulation; and the emotions associated with social identities.

Professor Williams’ research has been published in top-tier academic journals including the Journal of Consumer Research, the Journal of Marketing Research and the Journal of Experimental Psychology: Applied. She serves on the Editorial Review Boards for the Journal of Consumer Research, the Journal of Consumer Psychology, the Journal of Marketing Research, and the Journal of Marketing. She previously served as an Associate Editor at the Journal of Consumer Research.