AFL Staff & Departments
Departments
Executive Leadership Team
Colleen Villanueva
Chief Executive Officer

Tiffany Williams
Director of Quality

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

Bill Centrella
Special Projects Manager

Angela Hyman
Accounting Manager

Magdalena Zafirovska
Microbiology Laboratory Manager

Peter Nguyen
IT Manager

Nyima Gonzalez
Sample Receiving Manager

Sales & Support
Broadus Whiteside
Senior Account Manager

Bradley Davis
Sales Support Specialist

Anna Phothisen
Logistics Specialist

Administrative Department
Ivelisse Maldonado
AR Specialist II

Lauren McKinney
Administrative Assistant

Joseph Houchins
IT Specialist

Team Leads
Luis De Leon
Lead Microbiologist

Yui Kpuih
Diagnostic Lead

Shenna Swing
Vendor Compliance and Nutrition Lead

Cecilia Ramos
Sample Management Lead Technician

Raul Villanueva
Lead Courier

Edwin Srisan
Lead Chemist

Microbiology Department
Dibya Shrestha
Sample Prep Microbiologist

Joseph Warner
Sample Prep Microbiologist

Liset Adame
USP Microbiologist

Sean Pendleton
Senior Microbiologist

Sushil Maharjan
USP Microbiologist

Lorynne Howard
Diagnostic Microbiologist

Nabil Hassan
Sample Prep Microbiologist

Karina Caballero
Microbiologist I

Donna Brown
Microbiologist I

Colby Critchfield
Diagnostic Microbiologist

Chemistry Department
Emmet Pitts
Senior Chemist

JJ Oduor
Senior Chemist

Megan Vincent
Analytical Chemist I

Sergio Ponce
Analytical Chemist I

Samira Marzi
Analytical Chemist II

Erin Hoss
Wet Chemist II

Eric Thuener
Wet Chemist

Ahmed Salamah
Chemistry Support Technician

Sample Management Team
Adrian Boley
Sample Management

Stephanie Brantley
Sample Management

Kaiya Ajiboye
Sample Management

Vendor Compliance Department
Charisse Gamalinda
Vendor Compliance

Media Department
Brittney Taylor
Media Technician

Courier Department
Mark Bailey
Courier

Nathaniel Thomas
Courier
