Petersburg, Florida, and graduated from the University of South Florida with a bachelor's degree in history. Kirby began his military career as an enlisted sailor before receiving his commission through Officer Candidate School. He served in various assignments globally, including on the USS Chancellorsville, USS Doyle, and USS Paul Hamilton. Kirby also held top public affairs positions in the Navy, serving as the deputy assistant secretary of defense for media operations and the spokesman for the Chairman of the Joint Chiefs of Staff. He was known for his exceptional communication and media relations skills, being highly regarded by both military and civilian leaders. Kirby frequently addressed reporters and led press briefings in a transparent and concise manner. During his tenure as Assistant to the Secretary of Defense for Public Affairs and the Pentagon Press Secretary, Kirby played a significant role in shaping and managing the Department of Defense's public image and handling sensitive issues such as the fight against ISIS, military budget matters, and challenges in the South China Sea. He retired from active duty in 2015 but continued to work as a commentator and analyst on defense and national security matters. Kirby's Wikipedia page provides a detailed account of his naval career, highlighting his achievements, roles, and responsibilities throughout his service. It also mentions his numerous awards and decorations, including the Defense Distinguished Service Medal, the Navy Distinguished Service Medal, and the Defense Superior Service Medal.