Command Chief Krenz is a graduate of Saint Croix High School, Solon Springs, Wis., and earned a bachelor's degree in management from Upper Iowa University. He also earned professional certification as a Certified Defense Financial Manager (CDFM). His military education includes several NCOES courses, finance and budget courses, the Warrant Officer Human Resources Technician Basic and Advanced Courses, the Warrant Officer Staff Course and Warrant Officer Senior Staff Course.

Command Chief Krenz began his military career in 1980 with the Headquarters and Headquarters Company, 724th Engineer Battalion in Superior, where he served as a vehicle driver, unit clerk, personnel staff NCO and reconnaissance sergeant until 1990, when he transferred to the Headquarters State Area Command in Madison. Upon completion of the Warrant Officer Candidate Course at Fort McCoy he was appointed as a warrant officer in 1992 and served as a military personnel technician in both the Headquarters State Area Command and 232nd Personnel Services Company until November of 2008, when he joined the 32nd Infantry Brigade Combat Team for deployment to Iraq in February 2009. Upon release from active duty in 2010, he rejoined the Joint Force Headquarters and was selected as the command chief warrant officer for the Wisconsin Army National Guard. His promotion to chief warrant officer 5 was effective Sept. 6, 2011.