Builders FirstSource Inc. (NYSE: BLDR) announced leadership changes with Mike Hiller appointed as Chief Operating Officer-Designate and Coley O'Brien named Chief Human Resources Officer.

Hiller will succeed Steve Herron, who will retire on December 31, 2026, after more than 40 years in the building materials industry. Herron joined Builders FirstSource through the 2015 acquisition of ProBuild Holdings and served as COO since 2023.

Hiller brings over 25 years of experience in business development, finance and operational leadership within the building materials sector. He joined the company through the 2021 merger with BMC Stock Holdings, where he was vice president of BMC's Intermountain Region. He later served as president of the company's Central Division and most recently held the position of Chief Talent Officer.

O'Brien joins from The Wendy's Company, where he worked since 2007 in human resources and operations training roles. He most recently served as Chief People Officer, overseeing global HR strategy and people systems. O'Brien has more than 25 years of experience in human resources and operations training.

The Irving, Texas-based company operates approximately 570 locations across 43 states, providing building materials and services to professional builders in residential construction and remodeling markets.