Lieutenant Colonel Ringlein is a native of Detroit, MI. He has completed seven deployments to Iraq and Afghanistan over the previous 18 years, with Marine Infantry, Reconnaissance, Special Operations, and Joint Commands.   

His company grade assignments included serving as a Rifle Platoon Commander and then XO of B Co, 1st Battalion, 4th Marines, deploying twice in support of Operation Iraqi Freedom from 2005 to 2007.  Following assignment to 1st Reconnaissance Battalion as a Platoon Commander after BRC, he deployed again to Sahl Sinjar and Ramadi from October 2008 to May 2009 as the RCT-6 Reconnaissance Element.  After passing Marine Special Operations Command Assessment and Selection, he served as the Battalion S3A until the beginning of the MARSOC Individual Training Pipeline. 

After graduating from ITC in September 2010, LtCol Ringlein took command of Marine Special Operations Team 8223.  June 2011 until February 2012, he deployed to Badghis Province as a Village Stability Platform.  Upon return and after serving as the MARSOC Staff Secretary, he returned to 2d Marine Raider Battalion and deployed again to Afghanistan as the Marine Special Operations Company H Executive Officer from November 2013 to August 2014.  

His field grade assignments began as the Raider Regiment Special Activities Officer until June 2015. After attending the Navy War College, he took command of MSOC Golf on July 2016, and deployed to Operation Iraqi Resolve from July 2017 to January 2018.  Upon return, he served as the 2d Marine Raider Battalion Operations Officer until September 2019.  He deployed to Afghanistan in support of SJOTF-A in Kabul.  Upon return, he served as the MRR Current Operations Officer before transitioning to the Marine Raider Training Center as the Executive Officer.  His most recent billet has been in the MARSOC Training and Education Branch.

Lieutenant Colonel Ringlein’s military and civilian education include a B.S. from the United States Air Force Academy, and an M.A. from the Naval War College.  He is Military Freefall parachutist and combatant diver.