Buck is a native of Greencastle, Indiana and a graduate of Cloverdale High School. He has been with Walton since 2013. He and his wife, Nan, have been married for 59 years and have four children, Lisa, Jeff, Lynn, and Marc, seven grandchildren, and five great grandchildren. Outside of the funeral home, Buck can be found fishing with his son-in-law, John, and spending time with his family. He is an active member of the Spencer Presbyterian Church and works with the food pantry and is a city council member in Spencer.