Dan was born to Virginia Grace Boone Leonard and Melvin Holmes Leonard in New York City.He attended St. Georges School in Newport, RI and graduated from Washington & Lee University in 1960. Dan enlisted in the Marine Corps, served for two years, then married Nancy Ann Bartley.Dan worked as a Trust Officer at The Hanover Bank in NY and retired from Invesco, where he was a Sr. Vice President. Nancy and Dan spent the last 10 years in Sarasota, Florida as “snowbirds”. He was an accomplished fly fisherman and the two traveled the world. He is survived by his wife Nancy, daughter Kimberly Fahlstedt (Tim) and son Daniel Bartley Leonard (Becky). Four grandchildren-Jeffrey, Tyler, Tanner and Emily Fahlstedt. Preceeded in death by older brother Melvin Leonard Jr. Memorial service will be held Friday 11:00 a.m. St. Gabriels Episcopal Church 6190 E. Quincy Ave. Cherry Hills Village. In lieu of flowers, contributions may be made to Suncrest Hospice or St. Gabriels Episcopal Church in Dan's name.