Jean Ellen Cowgill

Jean Ellen Cowgill leads marketing at Gamma, which builds an AI tool for creating presentations, documents, and websites. She previously founded Portrait, a professional network for the entertainment industry that joined Theorem Media in 2026, and led Bloomberg Quicktake as its general manager. Earlier, she built and led Atlantic 57, The Atlantic’s consulting and creative agency.

Career

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Based in: San Francisco

Gamma

Apr 2026 — Present

Head of Marketing

Theorem Media

Aug 2026 — Present

Advisor

Portrait

May 2022 — Aug 2026

Founder and CEO

Bloomberg Media

Jun 2018 — Sep 2021

GM, Bloomberg Quicktake, and Global Head of New Ventures

The Atlantic

President, Atlantic 57
Jun 2013 — May 2018
Washington, District of Columbia, United States
Vice President and General Manager, Atlantic 57
Jun 2012 — May 2013
Washington, District of Columbia, United States