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Donald E. Biesenbach, Army lieutenant colonel

Donald E. Biesenbach, 77, a retired Army lieutenant colonel who was vice president of human resources at Soza & Co., a information technology and CPA firm, died Sept. 11 at his home in Potomac.

He had Alzheimer’s disease, said his son Robert Biesenbach.

Col. Biesenbach worked at Soza & Co. for eight years before retiring in 2002. He previously worked in management positions at Advanced Technology Engineering Systems, a former PRC Engineering Systems subsidiary, and the old National Con-Serv, an insurance services firm.

Donald Edward Biesenbach was born in San Antonio, where he was a 1957 graduate of St. Mary’s University. In 1971, he received a master’s degree in business administration from the University of Texas at Austin.

Col. Biesenbach served in the Army from 1957 to 1977 and was a veteran of the Vietnam War. His decorations included two awards of the Legion of Merit.

His memberships included the Army and Air Force Mutual Aid Association and the Society for Human Resource Management. He was a member of Our Lady of Mercy Catholic Church in Potomac.

His first marriage, to Mary Braden, ended in divorce.

Survivors include his wife of 28 years, Deborah Hefferly Biesenbach of Potomac; four children from his first marriage, David Biesenbach of Alexandria, Betsy Biesenbach of Roanoke, Barbara Spitzer of New York and Robert Biesenbach of Chicago; and three grandchildren.

— Megan McDonough

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