Rear Adm. Seif is a native of Pittsburgh, Pennsylvania. He is a 1992 graduate of the U.S. Naval Academy with a Bachelor of Science in Marine Engineering. He also holds a master’s degree in business administration from the College of William and Mary's Mason School of Business.

Prior to his assignment as Director, AUKUS I&A, Rear Adm. Seif served as Commander, Submarine Force, U.S. Pacific Fleet/Task Force 34. His previous Flag assignments include Commander, Submarine Group Seven/Task Force 54/Task Force 74, and Commander, Undersea Warfighting Development Center.

At sea, Rear Adm. Seif served aboard five nuclear fast-attack submarines. While in command of USS Buffalo (SSN 715), homeported in Guam, his crew was awarded the Navy Unit Commendation, the Meritorious Unit Commendation, two Battle Efficiency awards, and the Arleigh Burke Fleet Trophy. He also commanded USS Jacksonville (SSN 699), completing a U.S. 5th and 7th Fleet deployment.

Rear Adm. Seif also served as Commodore, Submarine Squadron One; chief of staff to Commander, Submarine Force, U.S. Pacific Fleet; military assistant to the Assistant Secretary for Defense for Strategy, Plans, and Capabilities; deputy chief of staff for operations for Submarine Group Seven/Task Force 74; the Navy's national director of submarine and nuclear power recruiting; board member and executive officer of the Fleet Forces Command Nuclear Propulsion Examining Board; and flag aide to Commander Submarine Force, U.S Atlantic Fleet/Submarine Allied Command Atlantic.

His personal decorations include the Defense Superior Service Medal (two awards), Legion of Merit (six awards), Meritorious Service Medal (four awards), Navy and Marine Corps Commendation Medal (five awards), and Navy and Marine Corps Achievement Medal (three awards). He has served with crews that have earned seven Battle Efficiency awards, two Arleigh Burke Fleet Trophies, and various unit and campaign awards.

Last Updated: 23 April 2025