Jack Hartmann received his B.A. in Psychology from the University of Florida and his M.A. in Child Psychology from Assumption College in Worcester, M.A. He started his work with children's music working with autistic children at University of Florida Shands Teaching Hospital In Gainesville, Florida. As a counselor, social worker and trainer, Jack worked twenty-five years with children, families and human service professionals in Pinellas County, FL.
Jack has written and recorded over 500 songs for children on 25 albums. he has also written a wonderful sea-life counting picture book for children titled Over In The Ocean. His highly regarded educational songs are used by teachers and sung by children in schools all across the United States and around the world.
His wife Lisa, a kindergarten teacher for fifteen years was his motivation to write children's songs and now manages their successful children's music and book company, Hop 2 It Music and Press, Inc.