He grew up in Monterrey, Mexico attending the American School before graduating from St. Stephen's School in Austin and received an MBA degree from the University of Kansas.
Mike was a very active member of St. Mark's Episcopal Church, he served on the Vestry and various outreach ministries including the SAMM shelter, mission trips to Honduras and Habitat for Humanity.
He was very active in the banking business and was Chairman of the Board of the Kansas City Chapter of the March of Dimes for 10 years. He was a loving husband and a great father to his children. Mike loved latin music, its culture and cooking for family and friends.
Mike is survived by his wife, Sonia Hargreaves Hart; sons, Michael Sheaffer Hart and his wife, Elise, all of San Antonio, TX; and Derrick Twyman Hart of Philadelphia, PA; step-daughters, Sara C. Oliver and husband, Bret of Houston, TX, and Sofia C. Alonso of Austin, TX; sister, Anne Hart Busfield of Phoenix and numerous nieces and nephews.
