Meet Our Team

Michael T. Longaker, MD, MBA, DSc (hon), FACS

Dr. Michael Longaker is a pediatric craniofacial surgeon, research scientist, and co-director of the Stanford Institute for Stem Cell Biology & Regenerative Medicine. He has dedicated years of research to tissue repair, replacement, and regeneration harnessing stem cells—leading to more than 1,200 peer-reviewed publications. Dr. Longaker is a global leader and role model for those physicians and scientists who aspire to improve patient care through regenerative medicine.


Ophir Klein, MD, PhD

Dr. Klein is the Hillblom Distinguished Professor in Craniofacial Anomalies and the Epstein Professor of Human Genetics at the University of California, San Francisco (UCSF). He brings years of research in craniofacial and tooth developmental biology and adult stem cell biology to Stemodontics—his work has been reported in over 150 publications. Dr. Klein is a specialist in pediatric medical genetics with expertise in craniofacial and dental anomalies and genetic disorders.


Agnieszka Czechowicz, MD, PhD

Dr. Czechowicz is a physician-scientist who has done pioneering work in stem cell research and developing new regenerative medicine therapies to treat a variety of pediatric and adult diseases. Her primary clinical interest is in bone marrow failure, aplastic anemia, and other diseases requiring stem cell transplantation. Dr. Czechowicz is passionate about mentoring future generations of physicians and scientists. She is a faculty member within the Department of Pediatrics, Division of Stem Cell Transplantation and Regenerative Medicine at Stanford.


Christopher Daniel, DDS, MD, FACS

Dr. Daniel brings over a decade of oral and maxillofacial surgery experience to Stemodontics. His dual degree in medicine and dentistry provides our team with a wealth of expertise in both fields, bridging the gap between the stem cell source and future stem cell applications. As a board-certified oral surgeon and a fellow of the American College of Surgeons, Dr. Daniel is recognized for his exemplary status and ability to meet the highest standards of care. Currently Dr. Daniel is Assistant Professor in the Department of Oral and Maxillofacial Surgery, Director of Undergraduate Oral and Maxillofacial Surgery Education and holds the Nguyen-Thang Family Professorship in Oral and Maxillofacial Surgery at The University of Texas Health Science Center at Houston School of Dentistry.


Leonard B. Kaban, DMD, MD, FACS

Leonard B. Kaban served as Walter C. Guralnick Professor of Oral and Maxillofacial Surgery (OMFS), Chairman of the Department of OMFS at Harvard School of Dental Medicine (HSDM) and Chief of the OMFS Service at Massachusetts General Hospital (MGH) from 1994 through 2015. He is now the Walter C. Guralnick Distinguished Professor and Chief, Emeritus of OMFS at Harvard and MGH. Dr. Kaban is the author or co-author of 5 books and over 360 original papers on such topics as hemifacial microsomia, jaw tumors in children, vascular anomalies, juvenile idiopathic arthritis, trigeminal nerve injuries, facial asymmetry and reconstructive surgery.


Mark E. Wong, DDS, FACD, FACS

Dr. Wong is a Professor and the Bernard and Gloria Katz Chairman of the Department of Oral and Maxillofacial Surgery at The University of Texas School of Dentistry at Houston, where he also serves as Director of Residency Training. He is an Adjunct Professor of Bioengineering at Rice University. His clinical and research interests are focused on reconstructive surgery, tissue engineering of bone and regeneration of joints. His research is funded by the National Institutes of Health and the Department of Defense and he has authored over 90 publications. He has served as a Past President of a number of professional organizations including the American Board of Oral and Maxillofacial Surgery, American Academy of Craniomaxillofacial Surgeons, and the International Board for Specialists in Oral and Maxillofacial Surgery.


Mark Urata, MD, DDS

Dr. Urata is uniquely qualified as a craniofacial surgeon with board certification in both Oral and Maxillofacial Surgery as well as Plastic Surgery and holds faculty appointments at both the Keck School of Medicine of USC and the USC School of Dentistry. Dr. Urata trained for 18 years following his undergraduate education. He received his dental degree from the Ostrow School of Dentistry of USC and his medical degree from the Keck School of Medicine of USC. He completed a residency in oral and maxillofacial surgery before matriculating to general surgery and then completing a residency in plastic and reconstructive surgery at USC. He then moved across town where he completed a fellowship in craniofacial surgery at the University of California, Los Angeles. His practice spans from reconstructing the most complex craniofacial anomalies to outpatient oral surgery.