Guy Donald Posten

Guy Donald Posten of Gambrills, Maryland, passed away on September 3, 2026, at the age of 92.

The son of Guy D. and Myrtle Posten, Don graduated from Ellsworth High School in Pennsylvania in 1951. He attended California State University, Pennsylvania, from 1951 to 1952 and later graduated from Southeastern University in Washington, D.C., with the Class of 1960, earning a bachelor’s degree while on a basketball scholarship.

On October 10, 1953, Don married his high-school sweetheart, Eleanor Rocko. They shared 56 years of marriage; she was the love of his life.

Don was the founder and president of Columbia Business Furniture in Washington, D.C., and Alexandria, Virginia, a contract office-interiors company that served Metro D.C., Maryland, and Virginia for over 40 years.

He was an avid sportsman who enjoyed hunting, fishing, skiing, golf, and traveling. He especially loved parenting and cheering on his grandchildren at their sports and activities. Don was a member of various clubs and organizations over the years and belonged to Saint Elizabeth Ann Seton Church in Crofton, Maryland. His personal motto was “God, family, and country.”

Don is survived by his children, Guy David Posten and wife Diana, and Tracey Posten; six grandchildren—Jon Haberstick, Olivia Brammer, Matthew Brammer, Dillon Posten, Paige Haberstick, and Courtney Posten Masters and husband, Christian; and two great-grandchildren, Zhi and Liam, who were his pride and joy. He is also survived by many loving relatives, including numerous nieces and nephews whom he cherished deeply.

He was preceded in death by his beloved wife, Eleanor; his daughter Amy; his brothers Warren, Lawrence, Raymond; his sister Constance; and his parents.

Don touched countless lives with his wisdom, humor, and many stories. He will be greatly missed by all who knew and loved him.