Sean Hannigan

Sean Hannigan is an accomplished real estate professional currently serving as Vice President at Colliers since June 2022, following an earlier tenure as Assistant Vice President at Colliers International from August 2018 to April 2022. Sean's experience also includes work as an Associate at both Colliers International and NAI Hunneman, where expertise centered on leasing and disposition of industrial and office properties in the South Suburban Market. Prior to these roles, Sean held various positions, including baseball coach at Winchester Middle School and internships in event planning and marketing. Sean earned a Bachelor’s Degree in Economics and Finance from Bentley University, and completed high school at Matignon High School.