Our People

Working together
for the future of treatments

We can’t promise you a cure, but we can promise to be there with you to offer hope and guidance every step of the way. In the meantime, we promise you can count on us. Because only when we partner together in the kind of work that can change lives, can we find solutions that last.

Our Physicians

Medical Director, The Villages
Leading our research center in The Villages, Florida, Dr. Jeffrey Norton has more than 20 years of experience in anesthesiology and pain management and has served...
Medical Director, Orlando
Leading our research center in Orlando, Florida, Dr. Edgardo Rivera has served as Principal Investigator or Sub-Investigator on more than 40 clinical trials across all...
Principal Investigator
Dr. Stephen Miller has over 15 years of diverse clinical and healthcare policy experience and has served as an investigator on more than 20 clinical...
Principal Investigator
Dr. Diana Balsalobre is a Board-Certified Neurologist with over 22 years of clinical experience.  She completed her Internship and Neurology Residency in Jackson Memorial Hospital...
Principal Investigator
Dr. Mary Quarterman is an established and highly skilled physician with over 13 years of experience.  Dr. Quarterman received her medical degree from Florida State...
Principal Investigator
With more than a decade of medical and psychiatric experience, Dr. Jorel Martinez is the newest addition to the medical staff at Charter Research. Board...
Principal Investigator
Dr. Ramon Rodriguez is a board certified Neurologist and highly experienced Principal Investigator. Dr. Rodriguez received his medical degree (M.D.) from the University of Puerto...

Orlando Team

Our team is dedicated to our mission: to nurture healthier futures — one patient at a time. Side-by-side with patients and families, we work to find solutions for today and hope for tomorrow.

Our promise to you
Edgardo Rivera, MD, FACEP
Medical Director, Orlando
Liz Harrison
Site Director
Diana Balsalobre, MD
Principal Investigator
Alexandra Jiminez, MEd
Lead Psychometric Rater
Anita Kesar, PharmD
Research Pharmacist
Mary Quarterman, MD
Principal Investigator
Jorel Martinez, MD
Principal Investigator
Ramon Rodriguez, MD
Principal Investigator
Bruno Chagas
Office Manager
Christina Rosario
Regulatory Manager
Jennifer Guerra
Source Manager
Jessica Garaycoa, MD
Senior Clinic Manager
Crystal Bernard
Senior Events Manager
Jason Coon
Digital Marketing Manager
Sebastian Mesa
Lead Patient Recruitment Associate
Stephanie Armendariz
Compliance Manager
Tina Blair, CNA
Project Manager
Shay Gray, MLS
Laboratory Manager

Our team is dedicated to our mission: to nurture healthier futures — one patient at a time. Side-by-side with patients and families, we work to find solutions for today and hope for tomorrow.

Our promise to you

The Villages Team

Our team is dedicated to our mission: to nurture healthier futures — one patient at a time. Side-by-side with patients and families, we work to find solutions for today and hope for tomorrow.

Our promise to you
Jeffrey Norton, MD, CPI
Medical Director, The Villages
Lauren Duvall, CCRC
Site Director
Sarah Hollingshead, MS, CCRC, CCRA
Patient Engagement Director
Angi Luffman, LPN
Lead Patient Recruitment Associate
Brittany Ortiz
Project Manager
Stephen Miller, MD
Principal Investigator
Anita Kesar, PharmD
Research Pharmacist
Christina Rosario
Regulatory Manager
Cindy Horgan
Office Manager
Jennifer Guerra
Source Manager
Jason Coon
Digital Marketing Manager
Jamilya Rahming
Marketing Manager
Jennifer Mellott, MHA, RN
Compliance Manager
Jessie Luttrell, CCRC
Clinic Manager
Kate Scheurich, MEd, LMHC
Psychometry Manager
Rachael Nix, CCRC
Clinic Manager
Shay Gray, MLS
Laboratory Manager

Our team is dedicated to our mission: to nurture healthier futures — one patient at a time. Side-by-side with patients and families, we work to find solutions for today and hope for tomorrow.

Our promise to you

Our Leadership

Chief Operating Officer
Jessica Sletten is a nationally renowned clinical trials executive with over 20 years of experience in clinical research site operations and site network management.  Prior...
Chief Executive Officer
Jeff Pohlig has worked in the clinical trials industry for 13 years and has helped build and lead teams in North America, Europe, and Asia...
Chief Financial Officer
Craig Poffenbarger is a seasoned leader with 15+ years’ financial management experience in healthcare related organizations of clinical research, electronic health record (EHR), acute hospital...
Vice President of Business Strategy
Dan Davis is an expert in clinical research operations and business analytics with 13 years of clinical research experience.  As Vice President of Business Strategy,...
Senior Director of Client Services
Caroline Smith is an expert in clinical research site operations, client services, compliance, and regulatory affairs with 10 years of experience.  Prior to joining Charter...
Human Resources Director
Stacy Brooks has over 15 years of human resources experience in a variety of industries including nonprofit, trade association, and clinical research.  At Charter Research,...

We’re committed to your care.

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