Cooper Buch

Associate
LinkedIn

Biography

Cooper is an Associate at Mainsail Partners. He is responsible for sourcing, executing, and supporting new investments.

Prior to joining Mainsail, Cooper was an Associate at Lock 8 Partners in New York City. While at Lock 8, Cooper helped source and execute new investments in B2B SaaS and tech-enabled services companies and supported the firm’s portfolio companies.

Cooper graduated from Colby College with a B.A. in Economics and Classics. While at Colby, Cooper was a member of the Student Investment Association and the club ski and soccer teams.

From: Rhinebeck, NY
Lives in: San Francisco, CA
Joined Mainsail: 2026
Alma Mater: Colby College

Outside of Mainsail

Cooper can be found backcountry skiing, gravel biking, surfing, and trail running.

From: Rhinebeck, NY
Lives in: San Francisco, CA
Joined Mainsail: 2026
Alma Mater: Colby College