AFL Staff & Departments

Executive Leadership Team

Colleen Villanueva
President / CEO

Tiffany Williams
Quality Manager

Charlotte Wilborn
Director of Operations

Department Managers

Dr. Stephen Wuller, Ph.D., CFS
Chemistry Technical Manager

Bill Centrella
Special Projects Manager

Joon Twayana-Nagaju
Microbiology Manager

Loan Tran
AR/AP Supervisor

Sheena Swing
Vendor Compliance Supervisor

Randy Pfundheller
Courier Manager

I.T. Manager

Sales & Support

Darlene Childs
Sales Manager

Broadus Whiteside
Account Manager

Zenith Wise
Sales Support Specialist

Anna Phothisen
Logistics Specialist

Team Leads

Edwin Srisan
Lead Chemist

Nyima Gonzalez
Lead Microbiologist

Yui Kpuih
Lead Microbiologist

Joseph Houchins
Sample Management Lead Technician

Administrative Team

George Goff
Systems Administration

Quality Assistant

Tri Pham
AP Specialist

AR Specialist

Evelyn Harper
Receptionist

Megan Wallace
Receptionist

Microbiology

Chemistry Department

Chemistry

Microbiology Department

Sample-Submission-NEW

Sample Management Team

Vendor-Compliance-NEW

Vendor Compliance Team