Upon graduation from the United States Naval Academy in 1981, Lieutenant General Beydler was commissioned into the United States Marine Corps and trained as a Marine aviator.
He is a graduate of Navy Fighter Weapons School and the Marine Aviation and Weapons Tactics Squadron One Weapons and Tactics Instructor course. He commanded at the Fighter Attack Squadron, Marine Aircraft Group, Marine Aircraft Wing, Marine Expeditionary Force, Marine Component Command and Joint Force levels.
Lieutenant General Beydler's staff assignments include Headquarters, United States European Command where he served as the Division Chief of Joint Training, Readiness and Exercises. Lieutenant General Beydler served in Headquarters, 2nd Marine Aircraft Wing in July 2005 and deployed to the United States Central Command Combined Air Operations Center in Al Udeid, Qatar, as the Senior Marine Liaison Officer.
At United States Joint Forces Command, Lieutenant General Beydler served as the Director, Standing Joint Forces Headquarters and following a major reorganization and operationalization of the unit, Lieutenant General Beydler became the first commander of the United States Joint Forces Command, Joint Enabling Capabilities Command on Oct. 1, 2008.
At Headquarters, United States Marine Corps, Lieutenant General Beydler served as the Director, Strategy and Plans Division within the Plans, Policies and Operations Directorate in 2010. From 2012 to 2014 Lieutenant General Beydler served as Director, Strategy, Plans and Policy, United States Central Command and most recently, from July 2014 through October 2015, he commanded II Marine Expeditionary Force in Camp Lejeune, North Carolina.
On Oct. 27, 2015 Lieutenant General Beydler took command of United States Marine Forces, Central Command at MacDill Airforce Base in Tampa, Florida. Lieutenant General Beydler attended the NATO Defense College in Rome, Italy in 2002.
Lieutenant General Beydler has accumulated approximately 4000 flight hours in tactical jet aircraft with over 3000 in the F/A-18.
His personal decorations include the Defense Superior Service Medal with two Bronze Oak Leaf Clusters, the Legion of Merit, Meritorious Service Medal with three Gold Stars, the Air Medal-Strike Flight with Numeral One, the Navy and Marine Corps Commendation Medal, and the Navy and Marine Corps Achievement Medal with one Gold Star.