Meet The Team
Meet our diverse, highly experienced, and well-respected group of population & public health leaders.

Co-Founders
Tyler Evans, MD, MS, MPH, AAHIVS, DTM&H, FIDSA
Co-Founder, Chief Executive Officer, Chief Medical Officer, Principal Investigator
Abinash Achrekar, MD, MPH
Senior Development Advisor
Harrison Lobdell, MD, MPH, FAAEM
Co-Founder
Board of Directors
Tyler Evans, MD, MS, MPH, AAHIVS, DTM&H, FIDSA
Chair
Co-Founder, Chief Executive Officer, Chief Medical Officer, Principal Investigator
Howard Hu, M.D., M.P.H., Sc.D.
Maureen Lichtveld, MD, MPH
Benjamin Young, MD, FIDSA
Vice Chair
George Rutherford III, MD, MA
Marsha Zimmerman, M. Ed
Secretary of the Board
Abinash Achrekar, MD, MPH
Peter Marx
David Vliet, MBA
Senior Leadership
Tyler Evans, MD, MS, MPH, AAHIVS, DTM&H, FIDSA
Co-Founder, Chief Executive Officer, Chief Medical Officer, Principal Investigator
David B. Vliet, MBA
Senior Advisor
Ludwing Salamanca, MD, PhD
Senior Behavioral Health Advisor
Nancy Anwar Evans
National Director of Administrative Operations
Jessica Jimenez, MSN,RN
National Director of Nursing
Marsha Zimmerman, M. Ed
Chief Development Officer
Jovanka Ciares
Senior Project Manager, Southern California
Shalini Shanker
Director of Operations - New Mexico
Trish Singh, PhD, LPCC
Director of Behavioral Health
Peter Marx
Chief Technology Officer
TEAM
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Ludwing Salamanca, MD, PhD, Behavioral Health Consultant | Bio
Manda Robinson, Mental Health Provider
Trish Singh, Director of Behavioral Health | Bio
Vanessa de la Cruz, Senior Substance Use Disorder Advisor
Wendy Bernstein, Senior Community Psychiatrist | Bio
Lisa Ramirez - Field Team Lead, CHW Lead, Coachella Valley
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Jaime Carrillo, Director of Care Management | Bio
Mark McGrath, CHW Lead, Southern California | Bio
Daniel Young, Lead Community Health Outreach Worker, Riverside County
Gerson Perdomo, CHW Lead, South LA
Richard Chamberlain, Director of CHW Task Force | BIO
Lisa Ramirez - Field Team Lead, CHW Lead, Coachella Valley
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Arthi Rao, PhD, MS-GIST, GISP Senior Data Scientist | Bio
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Tyler Evans, MD, MS, MPH, AAHIVS, DTM&H, FIDSA, Lead | Bio
Jess Ghannam, PhD, QME, D.O., Mental Health Advisor, UCSF | Bio
Wendy Bernstein, Lead Psychiatrist | Bio
Marx Itabelo Lwabanya, MD, EMHL, AFHE, MISH, Lead Physician, Democratic Republic of Congo | Bio
Bapolisi Achille, PhD, Lead Psychiatrist, Democratic Republic of Congo | Bio
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Marsha Zimmerman, M.Ed., Chief Development Officer | Bio
Amie Bond, Grant Writer
Will Randall, MPH, Manager of Strategic Initiatives
Diana Sandoval, Credentialing
Meranda Lane, Development/Operations Project Manager
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Shalini Shanker, B.S., M.A, Director of Operations, New Mexico | BIO
Louisa Garcia, MBA, Operations Manager
Autumn Aragon, LMSW, LSAA, Therapist
Tierra Lujan, MA , Medical Assistant
Alondra Dominguez, CHW, MPH, Lead Community Health Worker
Trish Singh, PhD, LPCC, Director of Behavioral Health | BIO
Patrick Kochersperger, CPSW, LSAA, CHW Lead and Deputy Operations
Valerie Arevalo, LSAA, Licensed Substance Abuse Counselor
Wendy Holland, CHW, Community Health Worker
Gary Mares, LSAA, Licensed Substance Abuse Counselor
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Antonella Sturniolo, Internship Coordinator
Carly Smith, Co-Lead Intern
Jo Kim, Co-Lead Intern
Natalie Shamilyan, Co-Lead Intern
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Aaron Mabry, MBA, Marketing and Communications Manager
Antonella Sturniolo, Project Manager
Christina Madison, Senior Lecturer | Bio
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Jessica Jimenez, MSN, RN, National Director of Nursing | Bio
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David Vliet, Chief Operations Officer | Bio
Nancy Anwar Evans, National Director of Operations | Bio
Jovanka Ciares, Regional Director of Operations, Southern California | Bio
Shalini Shanker, Director of Operations, New Mexico | Bio
Lisa Ramirez - Field Team Lead, CHW Lead, Coachella Valley
Jennifer Art - Deputy Field Team Lead, CHW Lead, Coachella Valley
Mark McGrath - Field Team Lead, CHW Lead, South LA | Bio
Carmen Jones-Weaks - Director of People and Culture | Bio
Ngo Imbu - People and Culture
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Abi Baydoun, Senior Community Pharmacist | Bio
Seth Gomez, Senior Pharmacist, Street Medicine
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Tyler Evans, MD, MS, MPH, AAHIVS, DTM&H, FIDSA, Chief Medical Officer | Bio
Manda Robinson, PA-C, MPAP, Lead Medical Provider
MJ Ordenana, FNP-C, Nurse Practitioner
Jessie Alvarez, PMHNP, Nurse Practitioner
Daniel Gillespie, AGNP, Lead Medical Provider