1990 - 1992 clinical assistant professor of medicine at va medical center
1992 - 1993 Clinical Assistant Professor of Medicine at Vermont cancer cente
1993 - 2000 Oncologist at Medical Associates clinic
2001 - 2003 Chief of Oncology at March 2001 to June 2003 Chief of Oncology,
2006 - 2010 Chief of Oncology at Norman Specialist medical center
2003 - 2005 Medical Oncologist at Lucum Tenes
2010 - 2016 Telemedicine at India and Malaysia