A native of Newburgh, New York, and raised in Pennsylvania. Captain Hejmanowski attended the Pennsylvania State University and the United States Naval Academy, receiving his commission and graduating with a Bachelor of Science degree in Economics in 1992. He was designated a Naval Flight Officer in January 1995. Hejmanowski's operational assignments include tours with Fighter Squadron 211 (VFA-211) as a junior officer and again as Department Head. He completed eight deployments on USS Nimitz (CVN 68), USS Enterprise (CVN 65), USS George Washington (CVN 73) and USS John C. Stennis (CVN 74). Hejmanowski has accumulated over 3,700 flight hours in the F-14, F/A-18, F-16, F-5 and the EA-18G and accumulated over 750 carrier-arrested landings. He commanded Strike Fighter Squadron 102 (VFA 102). His shore assignments include the US Navy Fighter Weapons School (TOPGUN); instructor Radar Intercept Officer at Fighter Squadron 101 (VF-101); Operations Officer for the F/A-18E/F Detachment at Strike Fighter Squadron 106 (VFA-106); staff of Commander, Naval Air Force, Atlantic, serving as Strike Fighter Readiness Officer; N7 Department Head (TOPGUN CO) and N5 Department Head (STRIKE) at Naval Strike and Air Warfare Center (NSAWC); Deputy for Naval Aviation and Tactical Air Systems working for the Office of the Secretary of Defense for Acquisition, Technology and Logistics (AT&L); and a brief assignment as Battle Director in the Combined Air and Space Operations Center, Al Udeid Air Base, Qatar. His personal decorations include the Defense Superior Service Medal, Meritorious Service Medal (three awards), Navy Commendation Medal (three awards), Navy Achievement Medal (two awards) and various other unit and campaign awards.