Corktown health Leadership Team
Our dedicated staff consists of highly trained professionals in the areas of health and human services.
Select one of our leaders below to read their bio


Anthony Williams
Chief Executive Officer


Teresa Roscoe
Chief Operations Officer


Mike Flores
Chief Financial Officer


Patrick Yankee
Chief Development Officer
Medical Care

Marva Brown
(She/Her)
Health Services Manager

Ethier Guillermo, DNP, RN, AGPCNP-BC, PMHNP-BC, AAHIVS
(He/Him/Él)
Medical Provider
Guillermo Ethier was born and raised in Puerto Rico. He obtained a Doctorate in Nursing Practice from the University of Michigan and a Bachelor’s in Nursing Science from the University of Puerto Rico. Guillermo is a dual ANCC board-certified in Adult-Gerontology Primary Care Nurse Practitioner and Psychiatry Mental Health Nurse Practitioner. He is also a certified HIV Specialist through the American Academy of HIV Medicine. As a member of the LGBTQI+ community, Guillermo is passionate about LGBTQI+ primary care, mental health, gender-affirming care, HIV prevention, sexual health, and HIV care. He currently resides in Royal Oak with his husband and his dog.

Danielle Gibczynski, MA, RD
(She/Her)
Registered Dietitian

Wendy Rabb
(She/Her)
Medical Assistant

Latonya Riddle-Jones, MD, MPH
(She/Her)
Medical Provider
Dr. Latonya Riddle-Jones serves as the Associate Director for Clinical Outreach at Karmanos Cancer Institute (KCI) at Wayne State University School of Medicine. She spends most of her time as the Director of Population, Patient, Physician and Professionalism curriculum, and course director for Community Engagement electives at Wayne State University School of Medicine (WSUSOM), but treasures her clinical time at Corktown Health Center in Detroit, MI.
Dr. Riddle is a graduate of Michigan State University College of Engineering, Wayne State University School of Medicine and Harvard T. H. Chan School of Public Health. She is an Associate Professor in Med-Peds in the Department of Internal Medicine, Vice-Chair of Community Outreach and Engagement for the Department of Internal Medicine, Associate Medical Director for the Tri-County Breast and Cervical Cancer Control Program.
She was the inaugural Medical Director for the Corktown Health Center (a medical home for Michigan’s LGBTQ communities) for six years ending in 2023. Her research and academic interests include health care policy, cancer prevention in historically marginalized people, and innovations in medical education related to social and behavioral health in health systems. She currently serves as Primary Investigator for a project from the Office of Community Outreach Engagement (COE) supported by the National Cancer Institute (NCI) entitled Enhancing Sexual Orientation and Gender Identity (SOGI) Data Collection and is a co-author of “Cancer in People who Identify as Lesbian, Gay, Bisexual, Transgender, Queer or Gender-nonconforming” in CANCER – May 2024.
Her goal is to improve the health and wellbeing of our communities by contributing to the education of future physicians and actively addressing and correcting systemic injustices in healthcare.

Charlene Singleton
(She/Her)
Medical Assistant

Mark Thompson, PA-C
(He/Him)
Physician Assistant
Mark Thompson is a native of the Detroit Metro Area. He obtained his Bachelor and Master of Science from Wayne State University. He has been a practicing Physician Assistant for over 20 years with a focus on primary care and preventative medicine. He has a background in clinical microbiology and a special interest in infectious diseases. He currently resides in Royal Oak with his fiance, two dogs, and a cat.

Patrice Wade-Olson, DNP
(She/Her)
Nurse Practitioner

Adenia Williams
(She/Her)
Lead Medical Assistant
Behavioral Health Services

Jennifer Harvey LMSW
(She/They)
Behavioral Health Program Manager &
Licensed Clinical Social Worker

Jay Fallon LMSW
(He/Him)
Behavioral Health Associate Program Manager/Licensed Clinical Social Worker

Lauren Harper LMSW
(She/Her)
Therapist/Licensed Clinical Social Worker
Financial Support Services

Desiree' Arscott
(She/Her)
Program Manager of Financial Support Services
Desiree’ Arscott is the Program Manager for Supportive Services at Corktown Health. Desiree’ is a Medical Case Manager, Community Health Worker and Fair Housing and Reasonable Accommodation Specialist. She has over a decade of experience in HIV, concentrating on affordable housing resources and emergency financial assistance. Desiree’ earned an Associates Degree in General Studies from Oakland Community College and has served in the US Army, served as a member of the Detroit CoC and currently serves as a member of the HIV Housing Summit Planning Committee.

Angela Asbell
(She/Her)
Client Services Specialist

Otis C. Baker
(He/Him)
Client Services Specialist

Brianna Brewer
(She/They)
Associate Manager of Support Services
Preventive Health Services

Greta Ibarra-Leonard
(She/Her)
Preventative Health Services Manager

Brendan Bowns
(He/They)
Associate Program Manager

Alexander Connelley
(He/Him)
Prevention Specialist

Charlo Jarmons
(She/Her)
Tobacco Treatment Specialist
Charlo Jarmons is a Tobacco Treatment Specialist in the Preventive Health Department. She is a graduate from Wayne State University with a degree in Broadcast Journalism and Detroit Native. In her free time she enjoys writing, singing and composing songs as well as being a participant in her church’s praise team. She is a colorful spirit with an outgoing personality.
Care Management Services

LaSean Madden
(She/Her)
Program Manager of Support Services

Isaiah Forte
(He/Him)
Associate Program Manager

Nakina Miller
(She/Her)
Medical Case Manager

Martell Waddy-Dixon
(He/Him)
Medical Case Manager

Jerel Cooper
(He/Him)
Early Intervention Specialist
Dental Clinic

Michele Bloxson, DDS
(She/Her)
Dental Director

Anjelica Jurado
(She/Her)
Lead Dental Assistant

Litsy Nava- Solis
(She/Her)
Dental Assistant/Registar & Insurance Verification Specialist

Geraldine Williams
(She/Her)
Dental Hygienist
Administrative Staff

Craig Simmons
(He/Him)
Accounting Specialist

Abbie Mays-Collins
(She/Her)
Customer Services Specialist

Cindy Johnson
(She/Her)
Billing Specialist

Nicolette Juncaj
(She/Her)
Quality and Data Coordinator