Gain Theory
The Client Success Manager will work closely with client leadership to ensure optimal delivery, satisfaction, and growth across marketing effectiveness and analytics projects. Reporting to the Client Success Director, the role involves managing multiple client projects, interpreting data insights, and collaborating with cross‑functional teams to drive client value and advocacy.
Headquarters
New York, New York, United States
Company Size
201-500 employees
Founded
2015
Gain Theory is a marketing effectiveness and foresight consultancy that helps brands make smarter, faster, data‑informed investment decisions. They combine analytics, econometrics and media-mix/attribution techniques with strategic insight and forecasting to measure and optimise marketing ROI. Gain Theory supports clients with data engineering, experimentation and planning tools so marketers can allocate budgets more effectively and predict future performance.
Gain Theory, a WPP Company, Named a Leader in Marketing Measurement and Optimization by Global Independent Research Firm
1 month ago
Gain Theory reveals advertising delivers nearly 3x return on investment
Jun 12, 2025
Gain Theory and The Association of National Advertisers (ANA) Partner to Lead the Way in Marketing Measurement and Optimization
Mar 7, 2024
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Gain Theory.
Gain Theory didn’t post a salary, so this is our estimate from similar listings.
18% above the average for this role
WPP Consultancy Gain Theory Hires Former Unilever VP as Its North American CEO
Sep 6, 2018