Our Team

Dr. Xiongzheng Mu is a Professor at Huashan Hospital at Fudan University in Shanghai, China. He graduated from Shanghai Second Medical University in 1984 and began his plastic surgeon career. He worked at the Shanghai Ninth People’s Hospital, Department of Plastic and Reconstructive Surgery, for twenty-seven years, and from 1999 to 2000 he had craniofacial training at Necker Children’s Hospital in Paris, France with Dr. Daniel Marchac and in San Francisco, California with Dr. Bryant Toth and in Dallas, Texas with Dr. Kenneth Salyer. He has been working in Huashan Hospital from 2011 until now.

His clinical practice focuses on the surgical correction of craniofacial deformities of both bones and soft tissues, distraction procedures for upper airway obstruction and microsomia, and oriental aesthetic orthognathic and facial skeleton surgery. His research interests include image-based pre-surgical design and absorbable bone substitute.

Dr. Mu is a Past President of the Asian Pacific Craniofacial Association (APCFA, 2012) and has held many leadership positions in craniofacial associations in mainland China in the past two decades.

Prof. Dr. Irene Mathijssen studied medicine at Erasmus University in Rotterdam, The Netherlands and did her plastic and reconstructive surgery training at Erasmus Medical Center. Her thesis on craniosynostosis was successfully defended in 2011. In 2005, she did a craniofacial surgery fellowship with Dr. Eric Arnaud in Paris.

She became Professor, especially in craniofacial anomalies, in 2011 and has been Head of the Department of Plastic and Reconstructive Surgery and Hand Surgery at Erasmus Medical Center since 2016. In that year, she finished an MBA-Health. Irene Mathijssen has been Secretary-Treasurer of the International Society of Craniofacial Surgery (ISCFS) since 2013.

She is the coordinator of the European Reference Network on rare craniofacial anomalies and ENT disorders, a network of 42 hospitals in 21 European countries, since the start in 2017.

Dr. Jesse Taylor is Chief of the Division of Plastic, Reconstructive, and Oral Surgery at Children’s Hospital of Philadelphia (CHOP), specializing in the treatment of children and adolescents with congenital and acquired differences of the face and skull. He currently acts as Co-Director of CHOP’s Cleft Lip and Palate Program, Co-Director of the Craniofacial Program, and Director of the University of Pennsylvania/CHOP Craniofacial Fellowship Program.

He is also the holder of the Peter Randall Chair in Plastic and Reconstructive Surgery and President of the Board of Children’s Surgical Associates at CHOP. A graduate of Vanderbilt University School of Medicine, Dr. Taylor completed his plastic surgery residency and fellowship at The Johns Hopkins Hospital and followed his passion for craniofacial reconstruction as a craniofacial surgery fellow in Mexico City, Mexico.  Dr. Taylor focuses his practice on craniosynostosis surgery, jaw surgery, surgery for facial asymmetries, cleft lip and palate repair, rhinoplasty, otoplasty, cranial reconstruction, cranio-maxillo-facial distraction osteogenesis, and complex facial reconstruction.

He lectures both nationally and internationally to educate surgeons and patients on the latest techniques in craniofacial and cleft surgery and contributes to the care of international cleft and craniofacial patients throughout Central and South America, Europe, and Asia.

Mr. Jayaratnam (Jay) Jayamohan is Consultant Pediatric Craniofacial and Neurosurgeon at Oxford University Hospitals NHS Foundation Trust. He qualified in 1995 at St. Mary’s Hospital in London and trained in neurosurgery at The Atkinson Morley Hospital, London and at the Institute of Neurological Sciences, Glasgow. Thereafter, he was the Rittersporn Visiting Fellow in pediatric neurosurgery at the Sick Children’s Hospital in Toronto.

Although fully trained in both adult and pediatric neurosurgery, he now devotes his clinical time looking after children and young people with neurosurgical conditions. Mr. Jayamohan’s neurosurgical special interests include: craniofacial surgery, hydrocephalus, brain tumours, spinal dysraphism, Chiari malformation, child and young adult head injury, and antenatal counselling for spina bifida and hydrocephalus. He is also involved heavily in medicolegal work, advising on head and spinal injuries to assist courts, prosecution, and defence teams.

When not operating or reporting on medico-legal cases, Mr. Jayamohan enjoys hanging out with his friends from the International Brain Trauma and Mechanics Laboratory at Oxford University in an attempt to discover clever ways to protect the brain from injury.

Dr. Mariana Sabas is currently the Vice-President of the Argentinean Association of Orthodontists and the Director of the Craniofacial Orthodontic course at the orthodontic graduate program. She teams with Dr. Emmanuela Nadal, plastic and craniofacial surgeon, as the pediatric plastic surgery craniofacial orthodontist on the cleft/craniofacial team. In her private practice, she devotes most of her clinical time treating patients born with a craniofacial disorder, especially cleft lip and palate.

Dr. Sabas received a dental degree from the National University of Cuyo in Mendoza, Argentina. She then underwent a residency in pediatric dentistry at the Humberto Notti Pediatric Hospital in Mendoza and an orthodontic residency at the Maimonides University in Buenos Aires. She also had the opportunity to do a fellowship in orthodontics and orthognathic surgery under the supervision of Dr. Luis Quevedo in Santiago de Chile. Recently, Dr. Sabas received advanced training in sleep medicine at the Faculty of Biomedical Sciences of the Austral University in Buenos Aires.

She is a member of the Latin American Association of Orthodontics and the International Society of Craniofacial Surgery. She speaks at national and international events, and is a volunteer educator for Operation Smile. In addition, she has published multiple scientific articles in national and international journals.

Dr. Davinder J. Singh is Chief of the Division of Plastic Surgery at Phoenix Children’s Hospital and Associate Professor of Surgery at the University of Arizona School of Medicine. She is also Assistant Professor at Mayo School of Medicine and Co-Medical Director of the Phoenix Children’s Center for Cleft and Craniofacial Care. Dr. Singh received her bachelor’s degree from Yale University and her medical degree from Columbia University College of Physicians and Surgeons. She then completed residencies in surgery at Columbia University and in plastic surgery at the University of Pennsylvania.

Dr. Singh completed her Craniofacial Fellowship at the Children’s Hospital of Philadelphia and the University of Pennsylvania. Her surgical practice focuses on craniosynostosis, cleft lip and palate, and the full spectrum of craniofacial conditions. Dr. Singh is currently the Treasurer of the American Society of Craniofacial Surgeons.

Cassio Eduardo Raposo do Amaral completed his training in plastic surgery at the University of Campinas in 2005 after a comprehensive three-year mentorship program supervised by his late father, Dr. Cassio Raposo do Amaral, an internationally recognized plastic and craniofacial surgeon. In 2006, Dr. Raposo traveled to the United States to gain additional experience in craniofacial and cleft lip and palate surgery from Drs. Joseph G. McCarthy and Court B. Cutting at the Institute of Reconstructive Plastic Surgery-NYU, immediately followed by an international fellowship at UCLA, supervised by Drs. Henry K. Kawamoto and James P. Bradley. In 2008, Dr. Raposo was selected as an ASPS International Scholar and returned to the United States to gain additional training and experience. Dr. Raposo subsequently received a PhD from the University of Sao Paulo, presenting his thesis in bone tissue engineering under the supervision of Dr. Nivaldo Alonso.

Dr. Raposo began working full-time at SOBRAPAR Hospital in 2007, a hospital located in Campinas, Sao Paulo, which had been established in 1979 by his late father.
At SOBRAPAR Hospital, Dr. Raposo directed all protocols and data collection and performed craniofacial surgery and surgery for cleft lip and palate and other congenital craniofacial anomalies. Along with his brother, Cesar Augusto Raposo do Amaral, also a plastic surgeon, Dr. Raposo consolidated a formal organizational structure at SOBRAPAR Hospital to enable onsite treatment of congenital patients from all over Brazil.

Dr. Raposo is currently the director of the Craniofacial Surgery fellowship at SOBRAPAR Hospital and has authored more than 170 published articles in English and Portuguese medical literature related to craniofacial surgery and congenital anomalies, including, but not limited to, orbital translocation in hypertelorism, syndromic craniosynostosis and fat grafting in craniofacial deformities, as well as specific chapters in more than 27 books. He also edited Cleft Lip and Palate Treatment: A Comprehensive Guide, a book published by Springer.

Dr. Raposo is an active member of seven professional societies, including the Brazilian Society of Plastic Surgery, the Brazilian Association of Cranio-Maxillo-Facial Surgery, the Brazilian Cleft Palate Association, the Brazilian Burn Society, the American Society of Plastic Surgery, Latin American Craniofacial Association and the International Society of Craniofacial Surgery.

Dr. Raposo has received more than 33 scientific best-paper awards from the Brazilian Society of Plastic Surgery and the Brazilian Association of Cranio-Maxillo-Facial Surgery. Dr. Raposo served as President of the Brazilian Association of Cranio-Maxillo-Facial Surgery from 2016 to 2020, is President-Elect of the Latin American Craniofacial Association (2022-2024), and has held leading positions at the Brazilian Society of Plastic Surgery. He currently serves as a professor in the neurosurgery division at the University of Campinas, headed by neurosurgeon Dr. Enrico Ghizone.

Dr. Dov Goldenberg is Associate Professor in the Division of Plastic Surgery, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo in São Paulo, Brazil. He is a board-certified plastic surgeon and his focus is on craniofacial and pediatric plastic surgery. His residency training in surgery and plastic surgery was at the University of São Paulo. Dr. Goldenberg is the Director of the Pediatric Plastic Surgery and Vascular Anomalies Clinic and Director of the Residency Program in Plastic Surgery at the Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo.

His main practice is related to pediatric plastic surgery and craniomaxillofacial surgery, including congenital (vascular anomalies, clefts and craniosinostosis), orthognathic surgery and trauma. He is the current Editor-in-Chief of the Revista Brasileira de Cirurgia Plástica, a full member of the Brazilian Society of Plastic Surgery and the Brazilian Association of Craniomaxillofacial Surgery of which he was President in 2010-2014, an International Member of American Society of Plastic Surgeons (ASPS), an active member of the International Society of Craniofacial Surgery (ISCFS) and a senior member of the International Society for the Study of Vascular Anomalies (ISSVA).

Additionally, he is the current Chair of the Scientific Committee of the International Society for the Study of Vascular Anomalies (2020-2024) and Council Member of the International Society of Craniofacial Surgery (ISCFS) (2020-2024).

Dr. Richard Hopper is the Marlys C. Larson Chair in Pediatric Craniofacial Surgery and Professor at the University of Washington in Seattle, Washington, United States. He is Chief of the Division of Craniofacial and Plastic Surgery at Seattle Children’s Hospital and Surgical Director of the Craniofacial Center.

Dr. Hopper completed his plastic surgery residency training in Toronto, Ontario, Canada and his craniofacial fellowship at New York University. His clinical practice focuses on the surgical treatment of craniosynostosis, cleft lip and palate, rare and severe birth deformities of the bones and soft tissues of the face, with a sub-focus on sub-cranial distraction procedures for complex upper airway obstruction. His research interests include image-based outcome studies for craniosynostosis and complex craniofacial procedures as well as device design for cleft and craniofacial care.

Dr. Hopper is the current President of the ISCFS and Past President of the ASCFS. He serves on the Smile Train Global Medical Advisory Board and is co-sponsor of the Partners in African Cleft Team training program that has worked with African cleft teams in Ghana, Nigeria, and Ethiopia.