Who We Are
CMAHC Team
The following team members are responsible for the day-to-day operations of CMAHC:
Kristie Riester
Executive Director
Kristie discovered her passion for community services would lead to a career while at the University of Arizona where she received a Bachelor of Science Degree, in Physiology. She has a Master of Administration Degree with an emphasis in Public Management from Northern Arizona University. Her first professional position was with the Town of Oro Valley where she served as the Aquatics Manager.
Before moving back to Arizona she served as the Parks and Recreation Director for the City of El Centro. Kristie has been a Certified Parks and Recreation Professional (CPRP) since March 2008. She is actively involved with her State and National Associations, currently serving the Arizona Parks and Recreation Association as President Elect. She has had the privilege to be an educational presenter at the Arizona Parks and Recreation Association conference as well as the National Recreation and Parks Association conference and National Aquatics Management School. She has also been a guest lecturer at Cal Poly San Luis Obispo for the Parks, Recreation and Leisure Tourism Administration program. She is passionate about Public Service and helping others achieve their goals.

Dewey Case
Technical Director
Dewey was a member of the Lifeguarding and Bather Supervision Technical Committee for the MAHC 1st Edition and the Technical Review Committee for the MAHC 3rd Edition. He enjoys helping other aquatic facilities improve operations and helping young aquatics professionals hone and develop their craft, whether in rescue and response, pool operations, management, training lifeguards, or teaching swimming. Dewey resides in Hattiesburg, Mississippi with his wife Lisa
Jill Mastrangelo
Communications Director
Jill earned a Bachelor of Science degree in Communications from East Carolina University in 2006. She resides in Fuquay-Varina, N.C., with her fiancé, Shawn, and their Dalmatian, Abby.

Susan Wichmann
Director of Administrative Services
