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PTCB Staff

PTCB staff is comprised of experts in their fields, including two pharmacists and five pharmacy technicians, two of whom were pharmacy technician educators. Our staff also includes two PhD-level experts with testing, certification, industrial psychology, and psychometric expertise. PTCB's leadership team and the majority of our employees are listed below. PTCB respects the privacy of our team members who have requested not to be listed.

William Schimmel

William Schimmel

Executive Director & CEO

William Schimmel is the Executive Director and CEO of PTCB. In this role,...
Deborah Barnes CPA, CGMA, MSA

Deborah Barnes CPA, CGMA, MSA

CFO

Deborah Barnes serves as CFO at PTCB. She is responsible for PTCB’s...
Levi Boren, PhD

Levi Boren, PhD

Chief Assessment & Credentialing Officer

As PTCB’s Chief Assessment & Credentialing Officer, Levi...
Liza Chapman, PharmD, FAPhA

Liza Chapman, PharmD, FAPhA

Chief Professional Officer

Liza Chapman serves as PTCB’s Chief Professional Officer where she is...
Khunteang Pa

Khunteang Pa

Chief Operating Officer

Khunteang Pa serves as Chief Operating Officer at PTCB, where she is...
Jill Spivey

Jill Spivey

Senior Director of Marketing and Communications

As Senior Director of Marketing and Communications, Jill Spivey...
Bobbie Bolen, CPhT

Bobbie Bolen, CPhT

Customer Experience Quality & Training Specialist

Ryan Burke, PharmD

Ryan Burke, PharmD

Senior Director of Professional Affairs

Ryan Burke is the Senior Director of Professional Affairs at PTCB, where he...
Luzelena (Lanie) Cespedes

Luzelena (Lanie) Cespedes

Digital Marketing Coordinator

Tina Chang

Tina Chang

Director of Test Development

Tina Chang is the Director of Test Development at PTCB. She...
Christa Clay, CPhT-Adv, CVA

Christa Clay, CPhT-Adv, CVA

Volunteer Manager / Assessment Content Developer

Verdina Frazier, CPhT

Verdina Frazier, CPhT

Professional Affairs Associate

Zachary Green, CPhT

Zachary Green, CPhT

Associate Director of Professional Affairs

Zachary Green, a PTCB Certified Pharmacy Technician (CPhT) since 2008, serves...
Cinia Hernandez

Cinia Hernandez

Controller

Cinia Hernandez is the PTCB Controller and assists the CFO with the...
Naghma Hossain

Naghma Hossain

Staff Accountant

Susan Hunt

Susan Hunt

Test Development Specialist

Charisse Kittrell

Charisse Kittrell

Finance & Administration Associate

Lionel Luis

Lionel Luis

Director of Information Technology

Lionel Luis serves as the Director of Information Technology,...
Caitlin McGrellis

Caitlin McGrellis

Manager of Credentialing Operations

Rachel Milliron

Rachel Milliron

Marketing Coordinator

Kelsey Ohleger

Kelsey Ohleger

Senior Marketing Manager

Michele Porter

Michele Porter

Executive Assistant

Jasamine Riel

Jasamine Riel

Certification Products Manager

Ureka Terrell

Ureka Terrell

Assistant Manager, Credentialing Operations

Xiaohui (Dawn) Zhao, PhD

Xiaohui (Dawn) Zhao, PhD

Director of Psychometrics

Xiaohui (Dawn) Zhao is the Director of Psychometrics at PTCB.  Dawn...