Tatiana Hernández Guerrero, MD

Director, Clinical Research

Clinical Trials Conducted
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Dr. Tatiana Hernández-Guerrero is a Medical Oncologist fully dedicated to clinical research at START Barcelona. She graduated as a Medical Doctor in Carabobo State University, in Venezuela in 2008, and then decided to pursue her specialist training program in Madrid, Spain. Upon completion, she entered the Medical Oncology Specialty Program at Fundación Jimenez Diaz University Hospital, where she would build the grounds for her career as a clinical researcher.

During the last year of her residency, Dr. Hernández had the opportunity to learn about DNA repair pathways and their implication in cancer biology during a 6-month stay at University of Michigan Cancer Center, under the supervision of Dr. Sofia Merajver MD PhD, where she developed a program for early detection and follow-up of patients at high risk of cancer that would later be put in practice at Fundación Jimenez Diaz UH.

​Once completing her residency, and with the aspiration of furthering her career as an Investigator, Dr. Hernández moved to United Kingdom as a fully registered oncologist and completed a 1-year Clinical Research Fellowship focused in Early Phase Trials at Cambridge University Hospitals (Cambridge Institute of Oncology). During this training, she focused her work on DNA repair pathways and was able to collaborate in the design of her first Investigator Initiated Clinical Trial, supported by Cambridge Institute and under the supervision of Prof. Duncan Jodrell, gaining a valuable experience in the design of clinical trials and protocol-writing. She obtained a grant as a European Society of Medical Oncology Ambassador to participate in Methods in Clinical Cancer Research Workshop in 2017, learning the final basics in protocol development of early phase trials.

​In November 2017, Dr. Hernández joined the START Program as a Clinical Researcher fully dedicated to Early Phase Trials, with focus on DNA-repair targeted therapies and immunotherapy in this setting. She has experience as Investigator on more than 40 trials and has been a co-author of several scientific papers published in medical journals. Her most immediate plan is to complete her PhD Doctorate in Medicine which she is currently developing at Autonomous University of Madrid, under the direction and supervision of Dr. Victor Moreno and Dr. Jesús García-Foncillas.

Areas of Expertise

Bladder Cancer


Targeted Therapies



Journal: Sci Transl Med

Published Date: May 10, 2023


Journal: American Cancer Society Journal

Published Date: June 2, 2020