Mark Joseph Gleason, Sr. Remembered for Integrity and Family Values
Mark Joseph Gleason, Sr., a respected figure known for his integrity and dedication to family, passed away peacefully on April 6, 2026, at the age of 87. Born in St. Louis, Missouri, Gleason was a graduate of St. Louis University and spent his professional career in institutional sales trading, notably at Goldman Sachs. He was celebrated for his work ethic and the meaningful relationships he built with colleagues and clients. Gleason's personal life was marked by his deep love for his family, including his wife of 62 years, Kathy, their three children, and four grandchildren. Known for his quick wit and joyful spirit, Gleason was a man of quiet faith and a role model to many. A private family Catholic Mass will be held in his honor, and contributions can be made to King Bruwaert House in lieu of flowers. 
