Bryan Wiener
Co-Founder & CEO at 37Arc
Building and scaling next-generation marketing and media ventures
Last updated May 31, 2026 by the ATDb Editorial Team · Connections updated May 31, 2026
Bryan Wiener is Co-Founder & CEO of 37Arc, bringing decades of leadership experience in digital media and marketing to his latest venture. He previously served as CEO of Comscore from 2018 to 2021, where he worked to stabilize and refocus the measurement company, and before that spent nearly two decades at 360i, rising from President to CEO and helping build it into a leading digital agency. Wiener is recognized as a seasoned operator with a track record of leading and transforming businesses across the advertising and marketing technology landscape.
CEO
Comscore (2018-2021)
CEO
360i (2005-2018)
President
360i (2001-2005)
- BA, University of Michigan
- Led Quad's strategic pivot from commercial printing to a data-driven retail media and marketing services platform beginning in 2021
- Stabilized Comscore through a major financial restatement and governance crisis, preserving its role as a key cross-platform measurement currency
- Built 360i into one of the most recognized independent digital agencies in the U.S., earning numerous industry accolades before its full Dentsu integration
- Oversaw Quad's development of in-store and direct mail retail media capabilities as a differentiated alternative to digital-only networks