2001 - present, Clinical Assistant Professor, Department of Anesthesiology, City of Hope
2001 - present, Volunteer attending staff, University of Southern Californiam, Keck School of Medicine, Department of Anesthesia
2000 - 2001, Postgraduate Year IV, Anesthesia, Department of Anesthesia University of Southern California
1999 - 2000, Postgraduate Year III, Anesthesia, Department of Anesthesia University of Southern California
1998 - 1999, Postgraduate Year II, Anesthesia, Department of Anesthesia, University of Southern California
1997 - 1998, Postgraduate Year I, General Surgery, Department of Surgery, University of Southern California
1996 - 1997, Research Fellow Division of Trauma Surgery and Critical Care, Department of Surgery, University of Southern California
1994 – 1995, Medical Director, Timba Cauca Health Center
1993 – 1994, Transitional Intern Year, Hospital Universitario del Valle, Cali, Colombia