ATCB℠ Staff

LeeAnn Mandrillo, MPA
Executive Director

With two decades of experience in allied health and non-profit management, LeeAnn is thrilled to rejoin the Art Therapy Credential Board. She holds a bachelor’s in nutritional sciences and a master’s in public administration, affairs, and policy from Rutgers University. A staunch advocate for expressive therapies,  she knows its impact, art therapy played a crucial role in her son’s recovery from neurological Lyme Disease.

In collaboration with the Board of Directors and staff, LeeAnn is instrumental in formulating and sustaining a long-term strategy, change and growth management for the ATCB.  Her leadership extends to developing organizational, programmatic, and financial plans, ensuring the Art Therapy Credentials Board’s mission is fulfilled—safeguarding the public by endorsing art therapy’s competent and ethical practice through credentialing professionals in the field.

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Kimia Hafezi, MPA, CAE
Director of Operations 

Kimia has been part of ATCB℠ since 2016, with additional experience coordinating the certification program for the International Association of Accessibility Professionals (IAAP) before returning to ATCB℠ in 2023. She holds a bachelor’s degree in psychology and a Master of Public Affairs with a concentration in nonprofit management, both from the University of North Carolina at Greensboro. Kimia is also a Certified Association Executive (CAE), a professional certification awarded by the CAE Commission of the American Society of Association Executives (ASAE).

Kimia leads ATCB℠’s day-to-day operations, helping ensure the organization functions smoothly and efficiently. She works closely with the Executive Director to develop and implement long-term strategies, programs, products, and processes that advance ATCB℠’s mission and organizational goals.

Cheryce Overstreet
Director of Programs 

Cheryce oversees the ATCB℠ programs: credentials, certification, and examination administration. As programs director she ensures comprehensive application assessments, tracks trends, and offers guidance on requirements. Cheryce ensures compliance with standards and advises the board of directors on best practices in credentialing, certification, and examination administration. She graduated from Kentucky State University with a degree in Social science.