Accreditation
Institute for Credentialing Excellence

2021 NCCA Commissioners

Chair 

Joy Lynn Matthews-Lopez, PhD

(term expires 12/2022)
President and Senior Psychometrician
JML Measurement and Testing Services, LLC

Vice Chair

Lindsey Durham, CPA

(term expires 12/2022)
Chief Financial Officer
National Registry Of Emergency Medical Technicians

Administrative Commissioner

Katherine Church, RDN

(term expires 12/2021)
Executive Director
Certifying Board for Dietary Managers

Administrative Commissioner

Natalya Mytareva

(term expires 12/2023)
Executive Director
Certification Commission for Healthcare Interpreters

Administrative Commissioner

Ben D. Price

(term expires 12/2022)
CEO
National Board of Surgical Technology
and Surgical Assisting

Administrative Commissioner 

Diane O. Tyler, PhD, FNP

(term expires 12/2021)
Director of Certification
American Academy of Nurse Practitioners Certification Board

Administrative Commissioner

Gabriela Agraz Welch, MPA, CAE

(term expires 12/2022)
Director of Certification
ASCM

Psychometric Commissioner 

Kevin M. Bradley, PhD

(term expires 12/2021)
Director of Credentialing Services
Human Resources Research Organization

Psychometric Commissioner

Sarah Carroll, PhD

(term expires 12/2022)
Director of Research and Psychometrics
National Board for Certification in Occupational Therapy, Inc.

Psychometric Commissioner

Johnna Gueorguieva, Ph.D., CAE

(term expires 12/2022)
Chief Credentialing and Research Officer/Psychometrician
Dental Assisting National Board 

Psychometric Commissioner

John Wickett, PhD

(term expires 12/2021)
Principal
Wickett Measurement Systems Inc.

Public Member

Nancy Ahluwalia

(term expires 12/2022)

Public Member

Michele M. Warholic, Esq., CAE

(term expires 12/2021)