Rear Admiral Donald Sze is a native of Los Angeles, California. He received his Bachelor of Science degree from the University of Southern California in 1982. In 1986, he was elected to the Omicron Kappa Upsilon Dental Honor Society and earned his Doctor of Dental Medicine degree from the University of Medicine and Dentistry of New Jersey, Newark, New Jersey. He completed his Oral and Maxillofacial Surgery certification at Seton Hall University Jersey City Medical Center, Jersey City, New Jersey, and was named Valedictorian for the House Staff Graduation. He received his commission through Naval Aviation School Command, Pensacola, Florida in 1999.

He served as Executive Officer for Naval Dental Center Southwest at San Diego, California; Senior Dental Executive, Director for Administration, and Executive Officer for Operational Health Support Unit Camp Pendleton; Executive Officer for Operational Health Support Unit San Diego; Acting Deputy Commander, Naval Medical Center San Diego; Deputy Commander for Navy Personnel, Landstuhl Regional Army Medical Center, Landstuhl, Germany; Chief of Staff, Navy Reserve Expeditionary Medicine, Bureau of Medicine and Surgery, for Expeditionary Medical Facilities (EMF) Dallas, Great Lakes, Camp Pendleton, and Bethesda; Reserve Fleet Surgeon, COMTHIRDFLT; and as Chief Staff Officer for Defense Support of Civil Authorities and N35 Lead for Navy Reserve C3F Headquarters. He recently completed his flag assignments as the Deputy Commander, Naval Medical Forces Support Command (RC) and Deputy Medical Officer of the Marine Corps.

His Command tours include Naval Dental Center Camp Pendleton; 4th Dental Company, 4th Dental Battalion, 4th Marine Logistics Group; Operational Health Support Unit San Diego; and Navy Expeditionary Medical Unit 15, Landstuhl, Germany. He is currently assigned as the Commander, Expeditionary Medicine, BUMED, and Chief, Navy Reserve Dental Corps.

Sze was mobilized in 2003 for Operations Noble Eagle and Enduring Freedom and assigned to Naval Medical Center San Diego, California, as an attending in the Oral and Maxillofacial Surgery residency program, followed by Department Head, Branch Dental Clinic San Onofre, Camp Pendleton, with the 1st Dental Battalion and Naval Dental Center Camp Pendleton. His second mobilization was in 2014 supporting Operation Enduring Freedom as the Deputy Director for Navy Personnel and Commanding Officer of Navy Expeditionary Medical Unit 15 at Landstuhl Regional Medical Center, Landstuhl, Germany.

Rear Admiral Sze was the recipient of the 2005 Rear Admiral Vaughn Memorial Award for Outstanding Reserve Dental Officer of the Year. Sze’s awards include the Legion of Merit, Meritorious Service Medal (four awards), Navy and Marine Corps Commendation Medal (three awards), Navy Achievement Medal (two awards) and various other personal, service, and unit awards.

Last Updated: 19 December 2023