Our Heritage:
Building on a legacy of giving

Mary Ann Hille grew up in Tulsa, graduated from Edison High School, and attended the University of Oklahoma where she was a member and officer of Delta Gamma Fraternity. She met her husband Jo Bob there and later completed her Bachelor of Arts degree from the University of Tulsa. She went on to receive her master’s degree in human relations from the University Center at Tulsa, graduating magna cum laude. She has worked has a high school and elementary school classroom teacher, a case manager, and as a volunteer for many positions on PTA boards, other non-profit boards, church groups and community service agencies. She presently serves as a Trustee and President of the Hille Foundation. Mary Ann is a published author and avid community volunteer. Mary Ann and Jo Bob raised four children together and were married for 43 years at the time of Jo Bob’s death. She is the proud grandmother of seven grandchildren. Mary Ann, Jo Bob and the family they raised believes passionately that contributing to the common good is both an expectation and a reward.