Genetics Care Team

Devon Bonner is a genetic counselor in Medical Genetics at the Stanford University Center for Undiagnosed Diseases. She received her undergraduate degree from University of South Florida in 2011 and her master’s degree in genetic counseling from the Johns Hopkins University/National Human Genome Research Institute in 2017. She joined the Stanford University Center for Undiagnosed Diseases, clinical site of the Undiagnosed Disease Network, in 2017 and joined Medical Genetics in 2018.

Laurel Calderwood is a genetic counselor in Medical Genetics and clinical assistant professor, Department of Pediatrics. She received her undergraduate degree from Rochester Institute of Technology in 2009 and her master’s degree in genetic counseling from Boston University in 2012. She started her career at Boston Children’s Hospital. She joined Lucile Packard Children’s Hospital Stanford in 2016 and focuses her clinical work primarily in the Metabolic and Neurometabolic clinics.

Brooke Dunleavy is a genetic counselor in Medical Genetics. She received her undergraduate degree from California Polytechnic State University in 2015 and her master’s degree in genetic counseling from Ohio State University in 2018. She was a LEND fellow at the Ohio State University, where she completed coursework and research in neurodevelopmental disabilities. She joined Lucile Packard Children’s Hospital Stanford in June 2018 and participates in the Medical Genetics clinic as well as the Osteogenesis Imperfecta (OI) multidisciplinary clinic. She serves as the clinic coordinator for the Differences of Sexual Development (DSD) multidisciplinary clinic.

Natalie Dykzeul is a genetic counselor in Medical Genetics. She received her undergraduate degree from California State University Stanislaus in 2016 and her master’s degree in genetic counseling from Virginia Commonwealth University in 2018. She was a trainee in the Virginia Leadership Education in Neurodevelopmental Disabilities (Va-LEND) program while in graduate school. She joined Lucile Packard Children’s Hospital Stanford in 2018 and is currently working in both the Medical Genetics and the Biochemical Genetics clinics. She is also the dedicated genetic counselor in the multidisciplinary Cleft & Craniofacial and Craniosynostosis clinics.

Ellyn Farrelly is the genetic counselor supervisor in Medical Genetics and a clinical assistant professor, Department of Pediatrics. She received her undergraduate degree from California State University, Sacramento in 1995 and her master’s degree in genetic counseling from Stanford University in 2010. She also has a master’s degree in Divinity and Ethics from University of Chicago. Before returning to Lucile Packard Children’s Hospital Stanford in 2015, Ellyn worked at Santa Clara Valley Medical Center providing genetics care across the life span, including prenatal, pediatric, and adult genetics. She has been the genetic counseling supervisor in Medical Genetics since 2018. She helps coordinate the RASopathy/Neurofibromatosis clinic in Medical Genetics.

Andrea Hanson-Kahn is a genetic counselor in Medical Genetics. She received her undergraduate degree from the University of California, Berkeley, in 1996 and her master’s degree in genetic counseling from the University of California, Irvine. She has been at Stanford since 2000 and has worked in the Medical Genetics, Genetic/Dermatology, Craniofacial Anomalies, and outreach clinics. She has been the associate director of the MS in Human Genetics and Genetic Counseling training program at Stanford since 2009.

Caitlin Harrington is a genetic counselor in Medical Genetics. She received her undergraduate degree from The University of Notre Dame in 2019 and her master’s degree in genetic counseling from Stanford University in 2023. She joined Lucile Packard Children’s Hospital Stanford in 2023 and sees patients in the Medical Genetics clinic and multidisciplinary Vascular Anomalies Clinic.

Wesley Ho is a genetic counselor in Medical Genetics. He received his undergraduate degree from Wesleyan University in 2015 and his master’s degree in genetic counseling from Stanford University in 2022. His graduate research evaluated the impact of the revised 2021 Neurofibromatosis Type 1 diagnostic criteria on time to diagnosis. He joined Lucile Packard Children’s Hospital in 2022 and participates in the Medical Genetics clinic and coordinates the Down Syndrome Clinic.

Jenny Kim is a genetic counselor in Medical Genetics. She received her undergraduate degree from Cornell University in 2017 and her master’s degree in genetic counseling from Northwestern University in 2020. She joined Lucile Packard Children’s Hospital Stanford in 2020 and works in both the Medical Genetics and Biochemical Genetics clinics as the prenatal liaison.

Susan Schelley is a genetic counselor in Medical Genetics and clinical assistant professor, Department of Pediatrics. She received her undergraduate degree from Stanford University in 1979 and her master’s degree in genetic counseling from the University of California, Los Angeles, in 1983. Over her 30 years at Stanford University, she has been very involved in teaching genetics, including lecturing for various medical student courses and supervising genetics residents, postdocs, and genetic counseling students.

Emma Smith is a genetic counselor in Medical Genetics. She received her undergraduate degree from the University of Iowa in 2015 and her master’s degree in genetic counseling from the University of British Columbia in 2017. She joined Lucile Packard Children’s Hospital Stanford in 2017 and provides genetic counseling in the Medical Genetics clinic, including serving patients in the general genetics clinic as well as subspecialty clinics, such as the RASopathies and vascular anomalies clinics.

Holly Bernal is a nurse practitioner in Biochemical Genetics. She received her undergraduate degree from San Francisco State University in 1991 and her master’s degree from University of California, San Francisco in 1999. She received her Certification as a Family Nurse Practitioner from San Francisco State in 2015, prior to joining Stanford Genetics. In her current role she is a provider in Metabolic Clinic and the Enzyme Replacement Therapy program, coordinates the Newborn Screening Program, participates in didactics for the Medical Genetics Residents, and supervises APP students.

Robin Newman is a social worker.

Tiffany Yip is a genetic counselor in the San Francisco Specialty Services department. She received her undergraduate degree from San Jose State University in 2014 and her master's degree in genetic counseling from Emory University in 2018. After graduating from Emory, Tiffany worked as a pediatric research genetic counselor at UCSF Institute for Human Genetics. She also previously worked as a lab genetic counselor at Natera on the carrier screening team. She joined Stanford Children's Health in 2023 and works with pediatric and adult patients in San Francisco.