Investigator network

Multi-specialty expertise across two research sites.

WCR brings together nine board-certified physicians and one board-certified family nurse practitioner. Every investigator supports communication in English and Spanish.

Miami Lakes investigators

Principal Investigator

Lucky Flores, MD

Family Medicine

Dr. Flores is a board-certified family medicine physician with more than 25 years of clinical practice and extensive Phase I-IV research experience across gastroenterology, dermatology, metabolic disease, diabetes, obesity, respiratory disease, vaccines, neurology, pain, and women’s health.

Clinical Investigator

David A. Rodriguez, MD

Dermatology and Internal Medicine

Dr. Rodriguez is board certified in dermatology and internal medicine. With more than 30 years of clinical experience, his research background spans psoriasis, atopic dermatitis, vitiligo, acne, rosacea, prurigo nodularis, actinic keratosis, and other dermatologic conditions.

Clinical Investigator

Sergio M. Rodriguez Jr., MD

Gastroenterology and Internal Medicine

Dr. Rodriguez is a board-certified internal medicine physician and gastroenterologist with more than 30 years of clinical experience. His research areas include ulcerative colitis, Crohn’s disease, celiac disease, IBS, constipation, GERD, and other gastrointestinal disorders.

Clinical Investigator

Lisandra Chavez-Frezek, MSN, APRN, FNP-BC

Family Nurse Practitioner

Ms. Chavez-Frezek is a board-certified family nurse practitioner with clinical research experience since 2015 across gastroenterology, dermatology, vaccines, respiratory disease, pediatrics, cardiometabolic conditions, and pain management.

Vega Baja investigators

Principal Investigator

Gustavo R. Albizu-Angulo, MD

General and Family Medicine

Dr. Albizu-Angulo is a board-certified physician with approximately 20 years of clinical practice and broad Phase I-IV experience in obesity, diabetes, cardiovascular risk, inflammatory bowel disease, vaccines, asthma, migraine, and metabolic disease.

Clinical Investigator

Karinee Candelario, MD

Pediatrics

Dr. Candelario is a board-certified pediatrician with more than 30 years of clinical experience. Her research background includes vaccines, pediatric migraine, eosinophilic asthma, ulcerative colitis, and other community health needs.

Clinical Investigator

Saul Rivera Ortega, MD

Primary Care

Dr. Rivera Ortega is a board-certified primary care physician with approximately 20 years of experience in primary care and emergency medicine, along with research experience in obesity, metabolic disease, and internal medicine indications.

Clinical Investigator

Susane G. Santos Marrero, MD

General Medicine

Dr. Santos Marrero is a board-certified physician whose research experience includes obesity, type 2 diabetes, cardiovascular risk, eosinophilic asthma, vaccines, and other metabolic and respiratory indications.

Clinical Investigator

Walisbeth Class, MD

Gastroenterology and Internal Medicine

Dr. Class is a board-certified gastroenterologist with research experience focused on ulcerative colitis, Crohn’s disease, inflammatory bowel disease, and other gastrointestinal conditions.

Clinical Investigator

Juan Carlos Rivera Arce, MD

Cardiology and Internal Medicine

Dr. Rivera Arce is a board-certified internal medicine physician and cardiologist. His background includes cardiovascular disease, arrhythmias, metabolic risk, immunology, public health, neuroscience, and translational medical research.

Therapeutic alignment

Find the right investigator for your protocol

Our team evaluates therapeutic fit, patient access, operational requirements, and location suitability before confirming study interest.

Share your study opportunity

Submit your protocol details and preferred location. WCR will coordinate the investigator and site review.

Submit a Study