/
Michael Brennan
Michael Brennan
· Power 150 · 2026

Michael Brennan

Senior Manager, Event Strategy & Operations
Liberty Mutual Insurance
Community
Profile

Recognition citation

Michael Brennan is Senior Manager of Event Strategy & Operations at Liberty Mutual Insurance. With more than 20 years of experience in sales strategy, territory management, and operational leadership, he brings a wealth of expertise to event design and execution. Brennan has spearheaded initiatives that improved alignment and efficiency, delivering a 30% gain in team productivity. He has also developed KPI-driven reporting tools that increased ROI by 25%. Passionate about coaching and developing teams, Brennan is recognized for fostering strong cross-functional relationships and ensuring regulatory compliance. His leadership ensures Liberty Mutual’s events deliver measurable business and customer outcomes.