Cheryl Ambrose, CHST, OHST
Vice president of enterprise risk management
Cheryl is NRCA's vice president of enterprise risk management. She joined NRCA in 2021. Cheryl has 25 years of experience as a construction safety and health professional. She is an authorized OSHA Outreach Trainer for Construction for the agency’s 10- and 30-hour training. Cheryl holds a bachelor’s degree in Occupational Safety and Health from Columbia Southern University where she graduated magna cum laude. She also has an associate’s degree in business management.
Richard Trewyn
NRCA's director of risk education and training
Rich joined NRCA in 2015. Prior to joining NRCA, he was the national safety director for TECTA, and he started his career at FJA Christiansen Roofing Companies in Milwaukee in 1996. With a degree in occupational safety and health from the University of Wisconsin—Whitewater and his numerous certificates and certifications within the safety field, he brings a wealth of industry knowledge and expertise to NRCA. He is an authorized trainer for the Occupational Safety and Health Administration's (OSHA's) 10- and 30-hour construction safety classes and an authorized Certified Roofing Torch Applicator (CERTA) trainer of torch-applied system classes. He also teaches NRCA's fall-protection and CERTA train-the-trainer classes.