Our Team


Tippi MacKenzie, MD

Dr. Tippi MacKenzie is Professor of Surgery at the UCSF Division of Pediatric Surgery and the Fetal Treatment Center. Dr. MacKenzie obtained her undergraduate degree in Biochemistry at Harvard, then came to the Bay Area for medical school at Stanford. She did her surgical residency at Brigham and Women's Hospital in Boston. During this time, she took three years to do research on fetal surgery and in utero stem cell transplantation at the Children's Hospital of Philadelphia (CHOP). Following residency, she returned to CHOP for her clinical pediatric surgery fellowship.

The focus of Dr. MacKenzie's work is to improve our understanding of the biology of birth defects so that we can design more effective medical or surgical treatments. 

Mary Norton, MD

Dr. Mary Norton is a Maternal Fetal Medicine specialist as well as a clinical geneticist. She specializes in the care of women at high risk for having a baby with a birth defect or genetic disorder. She oversees the prenatal diagnosis program at UCSF, and is an expert in high-risk obstetrical ultrasound and prenatal diagnosis procedures such as amniocentesis and CVS. Dr. Norton's research interests include the use of new genetic technologies for fetal testing, and she is a national expert in the use of cell free DNA testing. She also has a particular interest in patient attitudes and preferences regarding prenatal testing.


Center Advisory Committee

Jody Farrell, RN, MS, PNP
Director of the UCSF Fetal Treatment Center, Retired
Susan Fisher

Susan Fisher, PhD
Professor, Department of Obstetrics, Gynecology & Reproductive Sciences

Renata Gallagher

Renata Gallagher, MD, PhD.
Professor of Clinical Pediatrics & Director of Biochemical Genetics

Linda Guidice
Linda Giudice, MD, PhD
Professor, Department of Obstetrics, Gynecology & Reproductive Sciences

Roberta Keller, MD
Professor of Clinical Pediatrics & Medical Director, Neonatal ECMO Program

Barbara Koenig, PhD
Director of UCSF Bioethics Program
Professor of Medical Anthropology & Bioethics, Department of Social & Behavioral Sciences, Institute for Health & Aging
Amy Murtha, MD
Amy Murtha, MD
Professor and Chair of the Department of Obstetrics, Gynecology & Reproductive Sciences
Aleksandar Rajkovic, MD, PhD
Aleksandar Rajkovic, MD, PhD
Professor of Pathology and Chief Genomics Officer of UCSF Health
Andrea Ronzani
Andrea Ronzani
Patient advocate

Stephan Sanders

Stephan Sanders, BMBS PhD
Associate Professor of Psychiatry

Julie Sosa, MD
Julie Ann Sosa, MD
Professor and Chair of the Department of Surgery