Robbie has over 14 years of expertise in designing high-performance mechanical systems for a wide variety of facilities, such as industrial manufacturing, aerospace, utility plants, tenant improvements, K–12 and higher education campuses, libraries, offices, retail and medical environments, assisted living and hospital centers, sports arenas, casinos, hospitality venues, residential high-rise apartments, and food service locations. He holds a degree in aerospace engineering from the University of Arizona and is a member of ASHRAE and ASPE.