Devon Haynes


Principal genetic counsellor


Devon Haynes is a principal genetic counsellor who joined the team in August 2020 and is currently working in both general and cancer genetics. Before joining Guy's and St Thomas', she worked as a paediatric genetic counsellor at Arnold Palmer Hospital for Children and Winnie Palmer Hospital for Women & Babies in Florida, USA, for five years. She is certified through the American Board of Genetic Counseling (ABGC) and is working towards her UK Genetic Counsellor Registration Board (GCRB) registration.

Education and training

  • BA in psychology and BA in biology at Wake Forest University (North Carolina, USA)
  • MS in genetic counseling at the University of South Carolina School of Medicine (South Carolina, USA)


  • The S. Robert Young, PhD outstanding genetic counselor award (University of South Carolina School of Medicine, 2015)


  • Guillen Sacoto MJ, Tchasovnikarova IA, Torti E, Forster C, Andrew EH, Anselm I, Baranano KW, Briere LC, Cohen JS, Craigen WJ, Cytrynbaum C, Ekhilevitch N, Elrick MJ, Fatemi A, Fraser JL, Gallagher RC, Guerin A, Haynes D, High FA, Inglese CN, Kiss C, Koenig MK, Krier J, Lindstrom K, Marble M, Meddaugh H, Moran ES, Morel CF, Mu W, MullerII EA, Nance J, Natowicz MR, Numis Al, Ostrem B, Pappas J, Stafstrom CE, Streff H, Sweetser DA, Szybowska M, Undiagnosed Diseases Network, Walker MA, Wang W, Weiss K, Weksberg R, Wheeler PG, Yoon G, Kingston RE, and Juusola J. (2020) De Novo variants in the ATPase module of MORC2 cause a neurodevelopmental disorder with growth retardation and variable craniofacial dysmorphism. Am J Hum Genet 107(2): 352-363

  •  Haynes D, Pollack L, Prasad C, Goobie S, Colaiacovo S, Wolfinger T, and Lacassie Y. (2020) Further delineation of Basel-Vanagaite-Smirin-Yosef syndrome: A report of three patients. Am J Med Genet Part A 182(7): 1785-1790

  • Goncalves S, Patat J, Guida MC, Lachaussee N, Arrondel C, Helmstadter M, Boyer O, Gribouval O, Gubler M, Mollet G, Rio M, Charbit M, Bole-Feysot C, Nitschke P, Huber TB, Wheeler PG, Haynes D, Juusola J, Billette de Villmeur T, Nava C, Afenjar A, Keren B, Bodmer R, Antignac C, and Simons M. (2018) A homozygous KAT2B variant modulates the clinical phenotype of ADD3 deficiency in humans and flies. PLoS Genet 14(5): e1007386

  • Haynes D. (2015) Evaluating the 'family-centered' approach of pediatric multidisciplinary down syndrome clinics: A parents' perspective (Master's thesis, University of South Carolina School of Medicine, Columbia, SC USA)

Last updated: April 2022

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