Executive Staff



Suzanne GutierrezSuzanne Gutierrez
Chief Operating Officer

Suzanne Gutierrez heads our Clinical Research Division. She began her career in medicine in 1983, and has extensive experience as a clinician and administrator. For over 15 years, she served as the Clinic Director for Cypress Medical Center, South Florida Affiliated Health and Rehabilitation Center and Cypress Creek Chiropractic Center. She continues to be an outstanding leader in the Infinity Clinical Research organization. From 2001 until 2010, she served as the Director of Operations for Sunrise Medical Group’s Fort Lauderdale and Pembroke Pines offices. She also worked as a Site Coordinator and Programs Administrator for new medical groups joining Sunrise Medical Group, Inc. Sue is now responsible for the oversight of all Infinity Clinical Research Operations.


Penina Popper
Administrative Coordinator

Penina is the newest member to our research team. Penina comes to us with over 20 years of administrative and regulatory experience. Her background includes advocacy for seniors, program administration, Canadian Customs and Excise enforcement as well as volunteer recruitment and management. Her compassion and caring nature with patients and her organizational skills compliment our team.   


Christine Lepurage, CCTC
Director Research Administration & Business Development, Sunrise office





Dalia Ramos, RMA, CCRP954-475-8171 ext. 132


Michele Fistel, LPN, CCRC
954-738-1697 ext. 134

Michele Fistel began her research career in 1999, and has a wide range of experience in a myriad of clinical trials in Neurology and Colo-rectal Surgery but also has extensive clinical experience having served as a nurse since 1974.  Michele earned her practical nursing degree from Saint Barnabas Medical Center School of Practical Nursing in Livingston, New Jersey.  She is ACRP certified and is also trained to perform psychometric assessments for Alzheimer’s, Parkinson’s and MS studies.  We are fortunate to have Michele as part of the Pompano Beach Neurology team.

Fanny Gully, CRC
954-475-8171 ext. 146

Magdeli Ramos, CCRC
954-475-8171 ext. 138


Jorge Riveros, FMG, CCRC

Clinical Research Coordinator


Jorge Riveros brings extensive experience to Infinity Clinical Research having conducted clinical trials in phases I to IV. Jorge is a foreign medical graduate and earned his Doctor of Medicine degree from Juan N. Corpas Medical School in Colombia. There he worked as a physician for over 10 years in private practice and served as a medical director for several HMO’s in Colombia. Jorge is a Certified Clinical Research Coordinator, and is also trained as a Clinical Rater for Alzheimer’s and Parkinson’s disease studies. He has worked as a Senior Clinical Research Coordinator and Research Manager in the areas of Neurology, Psychiatry, Cancer, Cardiology and Gastroenterology. We are very fortunate to have Jorge with his specialized background and skills as a Clinical Coordinator in our Hollywood Neurology research site. 





Becky Nembhard, BS, CRC

Lead Clinical Research Coordinator


Becky Nembhard has worked in the clinical research industry since 1988, with experience ranging from basic science to post-marketing trials. She earned her Bachelor’s Degree in Biology with Minors in Chemistry and Psychology from Middle Tennessee State University. As an Independent Clinical Research Associate for a major Contract Research Organization, and as a consultant with over 17 years of research experience, Becky has served in many capacities and has expertise in numerous therapeutic areas. We are very fortunate that she brings her vast knowledge base to us to lead our Hollywood Cardiology Site.





Lucy Vargas, RMA, CRC

Lead Clinical Research Coordinator


Lucy Vargas leads our Pulmonary research site and has extensive experience in all phases of research and in many clinical indications.  She earned her Occupational Associates Degree in Medical Laboratory Technology in 1988 from Eastern Technical School in New York City and began her research career at that time.  She went on to obtain training and become a Registered Medical Assistant in 2002 earning her certification from the National School of Technology.  Lucy is a shining star in our Pulmonary Research Division.