Bret Leece
Growth advisory services and software.
At this since 1995, trained in philosophy and in analytics — which turns out to be one training.
Thirty years inside agencies, holding companies and measurement firms, building the analytics and data organizations and the software that ran inside them. Both sides of the table: the pitch that has to win, and the number that has to hold up a year later.
EVP, Client Development & Success · dentsu
2025–
Revenue and client success for the principal and proprietary media business. Data targeting and technology revenue up 70% year on year.
Managing Partner, Analytics & Research · UM Worldwide, IPG Mediabrands
2022–2023
Analytics and research across American Express, Exxon Mobil, Accenture, Dyson and Emirates.
Global Chief Data & Innovation Officer · Havas Media Network
2018–2020
A 20-person global team, and the identity platform underneath planning, buying and measurement.
President, M1 · Dentsu Aegis Network
2018
Usage and revenue on the identity platform up 300%.
Head of TV and Video Product · comScore
2017–2018
Merged the television and digital product groups. Cost down 25%.
Global Chief Product Officer, then Chief Analytics Officer · Initiative, IPG Mediabrands
2010–2017
Pan-agency tools and workflow for 40-plus people, and a product integration with Google worth $7M a year.
SVP Managing Director, International · MarketShare Partners
2008–2010
Europe and Asia from London, with no case studies to point to. Renewal rate tripled, $2M new business.
Principal · Calidescope LLC
2020–
Two brands launched, one repositioned. And Throughline, the software.
Before that: econometric demand models for a national telecom, built before the tools existed. Kansas City, 1995.
- Based
- New York. Replies within a business day.