Lab Technician

Eliza Alaniz joins South Texas Research Institute as a Lab Technician. She moved to the Rio Grande Valley from Zapata County and has worked in the healthcare industry for over 7 years. She obtained her Phlebotomy and EKG certification from Valley Grande Institute. Eliza is excited to help and give back to her community and learn more about the diseases that affect them.

Clinical Research Coordinator

Margarita Vega joins South Texas Research Institute as a Clinical Research Coordinator. As a certified phlebotomist and patient care technician, she has had experience in diverse clinical settings for over 12 years. Margarita has played various roles in clinical research, which has allowed her to expand her knowledge and expertise in different areas stemming from laboratory to direct patient interaction as a research medical assistant. She is enthusiastic about making a positive contribution to our community as a clinical research coordinator.

Clinical Research Assistant

Xiomara Hernandez is a Rio Grande Valley native who believes in building the future in medicine. With seven years of health care experience, Xiomara joins South Texas Research Institute as a clinical research assistant. She graduated from The University of Texas Rio Grande Valley in 2017 with a B.S. in Biomedical Science, then in 2018 with an M.S. in Health Science with a concentration in Nutrition. In 2019, she obtained the Phlebotomy Technician certification with the NHA. Xiomara is eager to give back to her community and learn more about liver disease.

Lissete Ochoa

Clinical Research Coordinator

Lissete joins our team with over 10 years of experience as a CRC and has worked in several therapeutic areas and phases of clinical trials. As a certified medical assistant, she also brings clinical knowledge to her work.

Estella Mendoza

Clinical Research Coordinator

Estella is a fully credentialed, bilingual Licensed Vocational Nurse (LVN) with 22 years of experience in providing compassionate care to her patients across medical specialties. A native of the Rio Grande Valley, she graduated from South Texas College and has worked in healthcare systems within her community. She has dedicated the past two years of her career…

Graciela Marje, MSN, FNP-BC

Clinical Research Nurse Practitioner

Graciela Marje is a Rio Grande Valley native with 24 years of nursing experience in the field of Gastroenterology. She is a bilingual Family Nurse Practitioner who is excited to join South Texas Research Institute and bring awareness of liver disease and clinical research studies to the citizens of the Rio Grande Valley.