Chief Scientific Officer for DaVita Clinical Research a CRO, located in Minneapolis Minnesota and Lakewood Colorado. He has served as PI on over 150 protocols and Sub Investigator on over 300 protocols which have included Renal (Full and Adaptive), Hepatic and Pulmonary, along with Normal volunteer's studies. Clinical Faculty appointments at Uni of Minnesota, Creighton Uni, Uni of Nebraska Medical Center, Uni of Colorado, and Virginia Common Wealth.