He served as Interim Dean of UT Southwestern in 2009 - 2010 .
Prior to assuming his current position , Dr. Ginsburg was Chairman of the Department of Pediatrics at UT Southwestern and Chief of Staff of Children 's Medical Center , positions that he held for 15 years .
Ginsburg served as Interim Dean of UT Southwestern in 2009 - 2010 .
Prior to assuming his current position , Dr. Ginsburg was Chairman of the Department of Pediatrics at UT Southwestern and Chief of Staff of Children 's Medical Center , positions that he held for 15 years .