David Tom Grinbergs is a highly respected and successful medical professional with experience as a both a physician and a high ranking executive for various healthcare companies. He has successfully operated two public companies with values reaching over billions of dollars called EmCare, Inc, and TeamHealth. David Tom Grinbergs served as the Divisional Chief Executive Officer for EmCare and the President of TeamHealth. He ensured that both companies would rise to their full potential and become major players in the healthcare industry.