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Mason Keller, CNP, graduated in May 2019 from the University of South Dakota with a Bachelor of Science degree in Nursing. As a nurse, he gained experience working on a Heart and Vascular Unit in Omaha, NE, a Critical Care Unit in Rapid City, and with Life Flight Nursing out of Pine Ridge. He later returned to his hometown of Mobridge while completing his Family Nurse Practitioner degree through Clarkson College in Omaha, NE. He graduated in August 2025 with his Master’s degree and obtained his certification. Mason is certified in Basic Life Support, Advanced Cardiac Life Support, Pediatric Advanced Life Support, the Neonatal Resuscitation Program, and Advanced Life Support in Obstetrics. Mason and his wife, Danielle, have one child with another on the way, along with three dogs, and make their home in Mobridge.