|Birthplace:||Mt. Ayr / Iowa|
|1||STS-111 / ISS-05 / STS-113||Flight Engineer||05.06.2002 - 07.12.2002||184d 22h 15m|
|2||Soyuz TMA-11 / ISS-16||ISS-CDR||10.10.2007 - 19.04.2008||191d 19h 07m|
|Total||376d 17h 22m|
|2||Soyuz TMA-9||Flight Engineer|
Bachelor of science in biology / chemistry from Iowa Wesleyan College, 1981; Ph.D. in biochemistry from Rice University, 1985; Project Scientist and Deputy Division Chief of Medical Science Division at the JSC; hobbies: Windsurfing, biking, basketball, water skiing; Deputy Chief, Astronaut Office, JSC (October 2003 until March 2005); since October 19, 2009 until August 13, 2012 Chief, Astronaut Office, JSC.
Last update on August 14, 2012.