MU1 O'Connor was a winner of the 2003 Astral Artists national audition, and also was a finalist in the 2009 Concert Artists Guild competition. He has appeared at the XV World Saxophone Congress in Bangkok, Thailand where he gave the world-première performance of Christian Lauba’s 15th etude, Worksong; in addition, he was featured with the Thailand Philharmonic Orchestra performing the world-première of Baljinder Sekhon’s saxophone concerto, The Offering. Also as a soloist, MU1 O’Connor has been featured with the National Symphony Orchestra, Symphony in C, Musica Nova, and the Eastman and University of Wisconsin Eau Claire Jazz Ensembles.
In addition to winning Second Prize at the 2nd International Jean-Marie Londeix Saxophone Competition, MU1 O'Connor has won top prizes in many other solo competitions, including the NASA Classical Solo Competition, the MTNA Young Artist Woodwind Competition, the 2004 National Symphony Orchestra Young Soloists Competition, and the Alexandria Symphony Orchestra’s Mary Graham Lasley Competition. As a chamber musician, MU1 O’Connor was a founding member of the Red Line Saxophone Quartet as well as the reed quintet REED5. While playing soprano saxophone in Red Line, the group won grand prizes at the Chesapeake, Coleman, NASA, and MTNA chamber music competitions, as well as divisional gold medals at the Fischoff and Plowman chamber competitions.
After a successful audition with the U.S. Naval Academy Band and completion of recruit training at RTC, Great Lakes, he reported to Annapolis in 2012. He currently serves as saxophonist with the marching band and ceremonial units. As collateral duties, MU1 O'Connor serves as band webmaster, photographer, and assistant librarian, in addition to being a member of the USNAB historical archive team, the funeral honors support team, and the Morale, Welfare, and Recreation committee.
Petty Officer O'Connor has been awarded the National Defense Service Medal, the Global War on Terrorism Service Medal, and the Navy Pistol Sharpshooter Ribbon.