David is the Founder of Change Through Play and has been a professional actor and improviser for 30 years. He's used improvisation to help train actors, business leaders, educators, and recovering addicts. Learn more about David and watch his acting reel by clicking on the small chain link icon below ⬇️.

Mary Pat majored in dance theatre at San Jose State University (with a stint in NYC), and performed with Mobius Stageworks, a dance-theatre company. She's worked with Young Audiences as an Artist in Residence teaching creative dance, clowning, juggling, and improv in Portland-based schools. She joined CSz Portland in 2003, performing short-form improv there for 17 years. She's also done silent improv with "Concerto for Piano & Mime", musical improv with "The Screaming Mee-Mee’s" and "Note Takers", and coaches & performs with "Been There", a senior improv group. Mary Pat has been a member of Change Through Play's advanced lab for over 2 years, performing with the group "The Changelings".