Andy Peiffer, M.D., Ph.D.
Director, Pediatric Genetics

Dr. Peiffer is a co-founder and heads Lineagen's pediatric genetics efforts within Lineagen’s Clinical Services Team, overseeing the company’s expanding science portfolio and clinical intelligence work. A practicing physician with a current appointment in Pediatric Genetics at the University of Utah, as well as former investigator in the Department of Human Genetics at the University of Utah, Dr. Peiffer combines expertise in both the medical and scientific significance of clinical genetics.

Dr. Peiffer earned his Bachelor’s degree in Physiology from McGill University, and his graduate/postgraduate degrees in Medicine, Pharmacology and Physiology from Laval University.


Rena Vanzo, M.S., L.C.G.C.
Licensed & Certified Genetic Counselor
Manager, Genetic Counseling

Ms. Vanzo heads Lineagen's Genetic Counseling Team within the Clinical Services Team. She provides physicians and families with consultation, education, and support throughout the testing and evaluation process.

Ms. Vanzo was formerly a clinical pediatric and metabolic genetic counselor at the University of Utah’s Department of Pediatrics. She received her Master of Science in Medical Genetics from Indiana University (2008) and her Bachelor of Science in Psychology from the University of Wisconsin (2004).