Dan Koelliker

Dan Koelliker is a Principal at RTM Engineering Consultants since March 2024, following a distinguished career at BG Buildingworks, Inc. where Dan served as President/CEO and Project Manager from 1996 to March 2024. In these roles, Dan managed mechanical and electrical engineering project teams for numerous projects with construction costs ranging from $1M to $100M across several states including Colorado, Wyoming, California, Utah, Idaho, and Virginia. Dan also worked as a Project Engineer and Mechanical and Electrical Design Engineer, specializing in HVAC, plumbing, power, and lighting systems design for various building types such as hotels, hospitals, schools, and civic structures. Dan Koelliker holds a Bachelor of Science degree in Architectural Engineering from Kansas State University, obtained between 1991 and 1996.