Medically Associated Science and Technology
Program Team

The Medically Associated Science and Technology (MAST) program team includes physician-scientists who focus on various aspects of the gut microbiome along with an expert staff of research scientists, clinicians and administrators. Together, the MAST team members bring life-changing technologies directly to patients.


Mark Pimentel, MD, FRCP(C)

Executive Director

James Laur, Esq.

Vice President for Legal and Technology Affairs

Nirdesh Gupta, PhD

Director of IP Portfolio Management and Licensing

Ruchi Mathur, MD, FRCP(C)

Director, Metabolism, Clinical Research and Administrative Operations

Ali Rezaie, MD, FRCP(C)

Director, Bioinformatics and GI

Sarah Ayyad

Research Lab
Assistant I

Gillian Barlow, PhD

Project Scientist

Said Bogatyrev, PhD

Postdoctoral Scientist

Chandrima Chatterjee, MPH

Project Coordinator

Anasheh Enjily

Program/Project Coordinator

Ava Hosseini, MPH

Clinical Research Associate II

Gabriela Leite, PhD

Project Scientist

Juliana de Freitas Germano, PhD

Project Scientist

Maria Jesus Villanueva Millan, PhD

Postdoctoral Scientist

Walter Morales

Laboratory Supervisor

Gonzalo Parodi

Research Associate III

Mohamad Rashid, MD

Clinical Research Coordinator III

Bianca W. Chang, MD

Clinician Partner

Maritza Sanchez

Research Associate I

Jiajing Wang, PhD

Biostatistician II

Stacy Weitsman, MS

Laboratory Director

Have Questions or Need Help?

If you have any questions or want to learn more about Medically Associated Science and Technology (MAST) Program,
please give us a call or send us a message.