Our team of experienced Investigators
USA Office

YANETH TRUJILLO, MD
She was born in Colombia, enrolled in the Juan N. Corpas School of Medicine at Bogota, and graduated in 1995 obtaining eighth place among 250 students.
She spent one year as an intern in a Cardiovascular Clinic in Bogotá, she also completed social work and gained experience in patients with hypertension, diabetes, malaria, and tropical diseases. Dr. Trujillo received a USMLE certification in 2003, started a family practice in 2004 in Ponce Puerto Rico, and graduated in 2007 as the best student. She treats her patients with a holistic approach, taking care of their concerns and providing them with specific personalized solutions.
Her extensive clinical research experience includes COVID-19 treatment and vaccines, Influenza treatment and vaccines, Hepatitis, Chronic Pain, Cardiovascular, Type 2 Diabetes Mellitus, Chronic Cough, COPD, Ulcerative Colitis, Gout, Atopic Dermatitis (as Sub-Investigator), NASH, vaccines, healthy volunteers in phases 2, 3 and 4 studies, observational, registries and pre-clinical trials.

CARLOS ROMERO, DO
He is a Family Medicine Specialist in Weston, Florida, and has over 29 years of experience in the medical field.
He graduated from Nova Southeastern University College of Osteopathic Medicine medical school in 1993.
He has extensive clinical research experience in COVID-19, NASH, Ulcerative Colitis, gout, type 2 Diabetes Mellitus, Irritable Bowel Syndrome, Irritable Bowel Disease, newly diagnosed cancer, Cardiovascular Outcomes, Pain, Vaccines, Atopic Dermatitis, Pediatric Vaccines, Rheumatoid Arthritis, Asthma, COPD, for observational, registries and pre-clinical trials.

SERGIO CHACIN, MD, FAAPMR
With over 20 years of experience in the medical field, has earned a highly respected reputation for his services and compassionate care.
He is an expert in minimally invasive spine and joint procedures for pain care. He is committed to providing his patients with long-lasting pain relief using the least invasive treatments available and world-class technology. He graduated with honors from the Medical School at the Universidad Del Zulia (LUZ), in Maracaibo, Venezuela. He is a Board Certified Member of Physical Medicine and Rehabilitation (ABPMR), also Certified by the American Board of Pain Medicine (ABPM), American Academy of Physical Medicine and Rehabilitation (AAPM&R), and the Florida Medical Association (FMA).

DAYRELIS MESA SARDINA MCMSc, MPH, PA-C, Sub. I
Dayrelis Mesa, originally from Cuba, stands as a distinguished figure in the medical research community, boasting an impressive academic background with degrees from Drexel University and Barry University, where she earned an MCMSc and an MPH. She is a certified Physician Assistant (PA-C) and has dedicated her career to advancing patient care and medical research since 2006. Dayrelis has enriched her expertise through extensive shadowing, volunteering, and professional experiences in diverse medical settings.
Currently, she plays a pivotal role as a member of the Florida Academy of PA Legislative Affairs committee. Her research efforts are particularly notable in their breadth and impact, encompassing clinical trials across a variety of domains including COVID-19, oncology, and chronic diseases such as Type 2 Diabetes Mellitus and COPD. Dayrelis has also contributed to the medical field as an author in multiple research publications, sharing valuable insights and findings that support ongoing advancements in healthcare. Her commitment to both clinical excellence and legislative advocacy highlights her multifaceted contribution to the field, making her a vital asset to any healthcare initiative.
Molecular Cancer Therapeutics March 2021
Goka, E. T., Lopez, D. T. M., & Lippman, M. E. (2021). Hormone dependent prostate cancers are dependent on Rac signaling for growth and survival. Molecular Cancer Therapeutics.
Molecular Cancer Therapeutics July 2020
Goka, E. T., Chaturvedi, P., Lopez, D. T. M., & Lippman, M. E. (2020). Rac signaling drives clear cell renal carcinoma tumor growth by priming the tumor microenvironment for an angiogenic switch. Molecular cancer therapeutics, 19(7), 1462-1473.
American Association for Cancer Research “AACR” February 2020
Goka, E. T., Sun, J., Lopez, D. T. M., & Lippman, M. E. (2020). Abstract P3-10-13: Rac inhibition as an alternative approach to treating hormone dependent breast cancer.
Molecular Cancer Therapeutics May 2019
Goka, E. T., Chaturvedi, P., Lopez, D. T. M., De La Garza, A., & Lippman, M. E. (2019). RAC1b overexpression confers resistance to chemotherapy treatment in colorectal cancer. Molecular cancer therapeutics, 18(5), 957-968.
Latin America Office
Ecuador Office

Dra. TANIA CAZAR
She is an awarded General Medicine and Surgery Doctor, and a Dermatologist with a Master in Cosmetology. She graduated from the Universidad Católica Santiago de Guayaquil and speaks Spanish, French, and English.
She did her Residency in Buenos Aires, Argentina, focusing on Advanced Dermatology Surgery, Hair Recovery, and Hair Transplant.
She is the author of published papers, and she also teaches at the Catholic University of Santiago de Guayaquil, on Practical Cosmetic Dermatology.

Dra. MAYRA CASTILLO JURADO
She is a Rheumatologist from the Universidad Católica Santiago de Guayaquil.
She was part of The William J. Harrington Medical Training Programs for Latin America, Internal Medicines Wards (Diabetes, Clinical Investigation, Geriatrics), at the Miami UM.
She has a postgraduate degree on Internal Medicine from the Buenos Aires University, and a another on Rheumatology from the same University.

Dr. LUIS ALBERTO MARTINEZ
He graduated from Facultad de Ciencias Médicas de la Universidad Católica de Santiago de Guayaquil. He is a hematologist-oncologist, with a specialty in treating cancers of the blood, and a Master’s in Clinical Research.
Creator and Leader of the Transfusion Medicine Service and Head of the HAGP National Hemophilia Program at the Guayaquil Hospital “Dr. Abel Gilbert Ponton”.
Head of the Teaching Department at the Guayaquil Hospital “Dr. Abel Gilbert Ponton”. Attending Physician of the Staff at the Clinical Oncology Service, the Alcívar Clinic Hospital in Guayaquil-Ecuador.

Dr. JOSÉ IGNACIO HANNA JAIRALA
He graduated from Facultad de Ciencias Médicas de la Universidad Católica de Santiago de Guayaquil as an awarded General Medicine Surgery Doctor and Gastroenterologist.
He did his Residency at the Hospital Italiano in Buenos Aires, Argentina, and he is the Editor in chief of Actas Médicas magazine and Neurogastro Latam Reviews magazine.
He is a Designated Member of the Guidelines Committee of the World Gastroenterology Organization.
Appointed Head of the Department of Internal Medicine of the Alcívar Hospital, in Guayaquil, Ecuador.

Dr. JUAN CARLOS QUINTERO
He is an awarded General Medicine and Surgery Doctor, Postgraduate Specialist in Gynecology and Obstetrics. He graduated from the Universidad Católica Santiago de Guayaquil, and did his Residency in Colposcopy and Surgical Interventionism.
He is the author of published papers, teaches in the Department of Obstetrics at the Universidad de Guayaquil.
He spends most of his time as a Gynecologist at Hospital Luis Vernaza, and also gives lectures regularly on scientific topics of his specialty.
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