Roger Koppenheffer and Caleb Marvin
Roger Koppenheffer is a principal at Certus Consulting Engineers. He a founding principal and brings 26 years of experience in the mechanical, electrical and plumbing consulting field to manage and engineer a multitude of projects, specializing in health care.
Caleb Marvin is an associate at Certus Consulting Engineers. He has more than five years of mechanical engineering experience in the design and construction of health care facilities. He brings technical knowledge and solution-oriented expertise to the health care engineering industry.
