- Mary Ann Brennan
- Freelance Executive & Consultant / 9thWonder, Alpha St8 Consulting
Mary Ann Brennan is a freelance executive consultant through Alpha St8 Consulting, which she founded in 2018 to serve various organizations, including as the founding chief operating officer of 9thwonder, a global independent advertising agency.
Previously, Ms. Brennan held an array of senior level roles overseeing marketing and procurement teams for Fortune 500 companies. She earned her B.S. from the University of Southern California (USC) Marshall School of Business with a dual emphasis in marketing and finance.