Leadership & Management

Marvin Pietruszka, MD, JD, Laboratory Director :

Dr. Pietruszka is trained in internal medicine, pathology, and forensic toxicology. He is a Diplomate Laboratory Director American Board of Pathology (Anatomic and Clinical), Diplomate American Board of Preventive Medicine (Occupational Medicine), and Diplomate American Board of Forensic Toxicology. He has unique expertise in chart review, standard of care, slide and record review, clinical/pathological correlation and causation analysis. His experience includes case preparation of medical malpractice, personal injury, and wrongful death. He is the director of Del Carmen Medical Center and Psychemedics Inc. Toxicology Laboratory. Academic positions include clinical associate professor of pathology at University of Southern California. He has been Director of molecular laboratory for over 15 years, and leads the group along with Dr. Yadira Valles-Ayoub to develop meaningful diagnostics and treatment for rare diseases.

Yadira Valles-Ayoub, MD, PhD, Director of R&D :

Dr. Valles-Ayoub is an expert in developing robust, reproducible, reliable, and rapid molecular assays. She completed medical training and specialty in Hematology-Oncololgy, followed by MS and PhD training in Molecular Immunology, at UNAM, Mexico City. She was the head of department of Immunology and the General Hospital and professor of Pathology at UNAM during 1979-1986. Subsequently, Dr. Valles-Ayoub moved to the United States and joined at UCLA department of pathology from 1986 - 1996. Dr. Valles-Ayoub's experience includes holding senior scientist and director of research and development positions in industry during 1996 - 2004. During 2004-2015, Dr. Valles joined HIBM Research Group, and worked on developing diagnostic assays and therapeutic gene therapy for rare diseases such as GNE Myopathy (a.k.a HIBM). She is a founding member of the laboratory and continues her leadership in developing and offering rapid solutions for Genetic Diagnostics. She developed a Genetic Middle Eastern panel that will help families of Middle East origin struggling with premarital or prenatal risks of rare debilitating genetic diseases. Dr. Valles-Ayoub has authored and co-authored numerous published scientific papers on HIBM and other rares diseases.


Dr. Michael Robinson. 310-419-4303

Dr. Michael Robinson is a physician specialist in Endocrinology, Diabetes, and Metabolism with over 30 years of experience as a clinician and research clinical investigator. Dr. Robinson is a graduate of The Ohio State University, College of Biological Sciences in Columbus, Ohio and received his M.D. degree from the University of North Carolina at Chapel Hill. He did his medical internship at Ohio State University and a medical residency at Wayne State University in Detroit, Michigan following military service as a Captain in the United States Army Medical Corps. He later completed his Fellowship in Endocrinology and Metabolism at the Mayo Clinic and Mayo Graduate School of Medicine in Rochester, Minnesota where he was also a Mayo Foundation research fellow in bone and mineral metabolism. He has served as Assistant Clinical Professor of Medicine and Clinical Attending Physician at UCLA School of Medicine and has been a Director of community Diabetes and Osteoporosis programs in the Greater Los Angeles area. He is a member of numerous professional organizations including the Endocrine Society, the American Association of Clinical Endocrinologists (AACE), and the American Thyroid Association. Dr. Robinson has published in major medical peer reviewed journals, and is a Certified Physician Investigator (CPI) and Diplomate of the American Board of Internal Medicine. He is currently an attending staff physician at Marina Del Rey Hospital, Little Company of Mary Hospital, Torrance Memorial Hospital, and Centinela Hospital Medical Center. He is CEO and CMO of Platinum Health Partners.


Gabriela Gutierrez, BA, Administrative Officer:

Gabriela Gutierrez graduated in 2015 with a Bachelor’s of Arts in Management from California State University Northridge. She joined our group in October 2009. Gabriela started as an administrative assistant and after completing her training she became an administrative officer. She is now managing the office, billing department as well as organizing and coordinating clinical laboratory services. Gabriela coordinates meetings and appointment with our clients. Gabriela is going to Law School.


We have volunteers from different universities that want to make curriculum for graduate school.

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