Dr. Margaret Grun Kibben was born and raised in Warrington, Pennsylvania, a suburb of Philadelphia. Margaret came on active duty in 1986, and her career spans both Navy and Marine Corps assignments; Newport, RI, Quantico, VA, U.S. Naval Academy, Annapolis, MD, Camp Lejeune, NC, Norfolk, VA, and San Diego, CA.

Dr. Kibben served both ashore, at sea, and abroad, completing several successful deployments to the Mediterranean, Norway, Turkey, and Afghanistan. Additionally, she served as the 18th Chaplain of the Marine Corps and Deputy Chief of Chaplains for the Navy.

Dr. Kibben retired in 2018 as the U.S. Navy's 26th Chief of Chaplains, serving as the director of religious ministry for the Department of the Navy, advising the Secretary of the Navy, the Chief of Naval Operations, the Commandant of the Marine Corps, and the Commandant of the Coast Guard on all matters pertaining to religion in their respective services. 

Dr. Kibben is the owner at Virtue In Practice, LLC, a consulting company providing executive advisement regarding moral, ethical, and spiritual leadership. She also currently serves as a consultant to the Department of the Navy's Sexual Assault and Response Office.

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Dr. Kibben serves on a variety of boards, to include Princeton Theological Seminary, Inamori Center for Ethics and Excellence, and the Marine Corps Scholarship Foundation. Dr. Kibben is also a founding member of AI and Faith, and has engaged herself in the emerging debate on the ethical development of Artificial Intelligence and related technologies, researching and speaking on the ethics of artificial intelligence. Today, she serves as the 61st Chaplain of the United States House of Representatives.