When the Pentagon was hit on the morning of 9/11, Dr. Mateczun was present in the building, and served later during operations Noble Eagle, Enduring Freedom, and Iraqi Freedom.
DAVIDSONVILLE, MD, August 28, 2017 /24-7PressRelease/ -- Marquis Who's Who, the world's premier publisher of biographical profiles, is proud to name John Matthew Mateczun a Lifetime Achiever. An accomplished listee, Dr. Mateczun celebrates many years' experience in his professional network, and has been noted for achievements, leadership qualities, and the credentials and successes he has accrued in his field. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.
Dr. Mateczun is a career military doctor who continues to serve his fellow men at arms in the healthcare industry after 38 years of dutiful service. He served through the Vietnam War and the Gulf Wars with three branches of the U.S. armed forces, returning to treat veterans at home in numerous U.S. Navy hospitals. Dr. Mateczun brings three terminal degrees to the administration of veterans' health, and, since 2014, he has served as president of UnitedHealthcare Military and Veterans.
Born in Albuquerque, New Mexico, Dr. Mateczun first joined the U.S. Army, where he was trained in explosive ordnance disposal and served two tours in Vietnam, for which he earned a Bronze Star and was honorably discharged with the rank of staff sergeant. He attended the University of New Mexico to become a doctor, and earned a Master of Public Health from the University of California, Berkeley in 1982. Dr. Mateczun joined the 3rd Marine Division with the U.S. Navy in Japan as an assistant division surgeon and division psychiatrist. He achieved board certification in adult psychiatry. In 1983, Dr. Mateczun was appointed medical staff at the National Naval Medical Center in Bethesda, where he served as director of transitional internships. He also became a member of the faculty at the Uniformed Services University of the Health Sciences.
In 1988, Dr. Mateczun added a law degree from the Georgetown University Law Center to his resume, and the following year he was made chair of the department of psychiatry at the National Naval Medical Center in Bethesda, Maryland. In the '90s, he continued to serve the Navy's medical needs, notably as a force surgeon with Fleet Marine Forces and as chief medical officer of Tricare Management Activity. In 1998, Dr. Mateczun was appointed commanding officer of the Naval Hospital at Charleston, South Carolina, where he was selected for flag rank. He went on to become a staff surgeon and medical advisor to the chairman of the U.S. Joint Chiefs of Staff and the U.S. delegate to the NATO Committee of Chiefs of Medical Services.
When the Pentagon was hit on the morning of 9/11, Dr. Mateczun was present in the building, and served later during operations Noble Eagle, Enduring Freedom, and Iraqi Freedom. From 2007 to 2012, he served as commander of the Joint Task Force of the National Capital Region Medical up until his retirement from active duty. The task force oversaw the completion of the merger of the National Naval Medical Center and the Walter Reed Army Medical Center into the nation's largest military hospital.
Dr. Mateczun rose ultimately to the rank of vice admiral, and was decorated with the Defense Distinguished Service Medal, the Navy Distinguished Service Medal, the Defense Superior Service Medal with Oak Leaf Cluster, the Legion of Merit with three Gold Stars, the Defense Meritorious Service Medal, the Meritorious Service Medal with Gold Star, the Navy and Marine Corps Commendation Medal, the Army Commendation Medal, and the Navy and Marine Corps Achievement Medal. He is a distinguished fellow of the American Psychiatric Association and the American Medical Association, which presented him with the 2010 Nathan Davis Award. Dr. Mateczun is further affiliated with the American College of Physician Executives, the American Academy of Psychiatry and Law, and the Association of Military Surgeons of the U.S.
In 2014, Dr. Mateczun became president of UnitedHealthcare Military and Veterans, after a brief role as a professor of clinical psychiatry with the Uniformed Services University of Health Sciences. For his continued dedication to the armed forces of the United States, Dr. Mateczun was selected for inclusion in numerous volumes of Who's Who in America, Who's Who in Medicine and Healthcare, Who's Who in the East, and Who's Who in the World. He married Elizabeth Kathleen Holmes, with whom he has had three children: Erin Johnson, Adam Johnson, and Laura.
In recognition of outstanding contributions to his profession and the Marquis Who's Who community, Dr. Mateczun has been featured on the Marquis Who's Who Lifetime Achievers website. Please visit www.ltachievers.com for more information about this honor.
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America , Marquis Who's Who has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. Today, Who's Who in America remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the world. Marquis publications may be visited at the official Marquis Who's Who website at www.marquiswhoswho.com.
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