Mary Catherine has her Bachelor of Arts Degree from the University of Texas in Austin, Texas. She received her Masters Degree in Marriage and Family Therapy from Pacific Oaks College in Pasadena, California. She additionally did post-graduate studies in art therapy at Phillips Graduate Institute in Encino, CA.

Mary Catherine is the Clinical Director at the Center for Grief and Loss for Children, a division of Hathaway-Sycamores Child and Family Services. The Center for Grief and Loss provides first responder emergency services and ongoing therapy to children that have experienced traumatic loss. In addition, she has a small private practice. She began working with Gerry Grossman Seminars in 2005 after taking the GGS classes and passing her Board exams. She enjoys all aspects of working with the students during the exam process.