COL Christopher Grice assumed the position of Acting Director for the Joint Science and Technology Office (JSTO) in August 2022. A native of Galesburg, Illinois, COL Grice enlisted in the Army National Guard in 1989. He earned a Biological Sciences Degree from Southern Illinois University and a commission as a Chemical Officer in 1995. His last assignment was as the Director of Materiel for the Office of the Deputy Chief of Staff, Headquarters Department of the Army (HQDA) G8 from June 2020 to July 2022.

COL Grice earned a Master of Science Degree in Environmental Management from Webster University in 2006 and a Master of Science Degree in Joint Campaign Planning and Strategy from the National Defense University (Joint Advanced Warfighting School) in 2015.

COL Grice commanded the 69th Chemical Company in Hanau, Germany from 2001-2003, the Blue Grass Chemical Activity at Blue Grass Army Depot, Kentucky from 2012-2014, and the Pueblo Chemical Depot in Pueblo, Colorado from 2017-2019.

Key assignments include Instructor and Chief of Officer Training at the CBRN School from 2003 to 2005. Battalion Executive Officer and Operations Officer (S3) for 110th Chemical Battalion (Technical Escort) at Joint Base Lewis McCord, Washington from 2007 to 2009. Executive Assistant to the Director of the Joint Staff and Counter-proliferation Branch Chief for the Joint Staff 2009 to 2011. Senior Strategic Planner, U.S. Plans for United States Forces Korea from 2015-2017. He was then assigned to the HQDA ODCS G8 as the Division Chief for the Full Dimension Protection division from July 2019 to June 2020.
Operational and Support deployments include Operation Joint Guardian in Kosovo as part of Task Force Falcon while the CBRN Officer for 2nd Brigade, 1st Armored Division and Operation Iraqi Freedom as the company commander of the 69th Chemical Company.

His awards and decorations include the Legion of Merit (with OLC), Bronze Star Medal, Defense Meritorious Service Medal (with OLC), Meritorious Service Medal (with OLC), Army Commendation Medal (with OLC), Army Achievement Medal (with OLC), Joint Meritorious Unit Award, Army Reserve Component Achievement Medal, Kosovo Campaign Medal, Iraq Campaign Medal, Global War on Terrorism Service Medal, Korean Service Medal, Humanitarian Service Medal, NCO Professional Development Ribbon, Army Service Ribbon, Overseas Service Ribbon (Numeral 2), NATO Medal, Joint Chiefs of Staff Identification Badge, Army Staff Identification Badge, and the Senior Parachutist Badge. His foreign awards include the German Armed Forces Efficiency Badge.