2012 - present, Interim Chair, Department of Surgery, City of Hope, Duarte, CA
2011 - present, Chief, Division of Surgical Oncology, City of Hope, Duarte, CA
2010 - present, Clinical Professor of Surgery, Department of Surgery, City of Hope, Duarte, CA
2010 - present, Head, Hepatobiliary and Pancreatic Surgery, Division of Surgical Oncology, City of Hope, Duarte, CA
2007 - 2010, Attending Surgeon, John Wayne Cancer Institute, St. John’s Health Center, Santa Monica, CA
2007 - 2010, Associate Professor of Surgery (Clinical), University of Southern California, Keck School of Medicine, Los Angeles, CA
2005 - 2010, Attending Surgeon, Glendale Memorial Hospital, Glendale, CA
2003 - 2007, Attending Surgeon, Huntington Memorial Hospital, Pasadena, CA
2002 - 2007, Assistant Professor of Surgery, University of Southern California, Keck School of Medicine, Los Angeles, CA
2002 - 2007, Attending Surgeon, USC University Hospital, Division of Hepatobiliary & Pancreatic Surgery and Transplant Surgery, Los Angeles, CA
2002 - 2007, Attending Surgeon, Norris Cancer Hospital, Los Angeles, CA
2002 - 2007, Attending Surgeon, Children’s Hospital of Los Angeles, Los Angeles, CA