After serving 21 years and retiring from the United States Air Force, Dennis entered the Sheet Metal Apprentice program in 1999. Upon completion of the program he became Foreman on the first Stephenson Research Facility at Oklahoma University. Other accomplishments as Foreman include: OU Health Sciences Center, 51st ADA Maintenance Facilities at Ft. Sill, and Integris Edmond Medical Office Building. He served as Project Manager on: Integris South Fluoroscopy Unit, Integris South MRI Remodel, Integris South 8th Floor Psychiatric Ward, TAFB Building 3907 Boiler Project, TAFB Building 1066 HVAC Renovation Project and many others. Dennis graduated from Kaplan University, Davenport Campus, in 2015 with a Bachelor’s degree in Business Administration (B.B.A.). He joined United Mechanical in August 2017.