• Cathy Burnweit, M.D.

  • Leopoldo Malvezzi, M.D.

  • Colin Knight, M.D.

  • Fuad Alkhoury, MD

  • Juan L. Calisto, M.D.

  • Michel H. Nahmad, M.D.
    Founding Member

  • Charles A. Lankau, M.D.
    Founding Member

  • Malvin Weinberger, M.D.
    Founding Member
  • 305-662-8320

    Cathy Burnweit, M.D.

    Dr. Burnweit serves as Chief of the Department of Pediatric Surgery and Training Director for the newly-accredited Pediatric Surgery Fellowship at Miami Children’s Hospital. She heads the Surgical Oncology Program. After graduating from Dartmouth College, Dr. Burnweit received her medical degree from Harvard Medical School where she graduated magna cum laude. Dr. Burnweit interned at Brigham and Women’s Hospital in Boston, completed her residency training at Parkland Memorial Hospital in Dallas and trained in pediatric surgery at the Hospital for Sick Children in Toronto. She is certified by the American Board of Surgery in general and pediatric surgery. She has been in practice in Miami since 1990. Dr. Burnweit is a member of multiple professional organizations, has published numerous articles and has lectured around the world on pediatric surgery and pediatric oncology. She serves as a Co-Principal Investigator of the Children’s Oncology Group. She has special interests in childhood cancer, pectus excavatum, gynecologic reconstruction, laparoscopy and thoracoscopy, and neonatal surgery. She also serves as a physician-leader on the Miami Children’s Hospital Medical Executive Committee.

  • 305-662-8320

    Leopoldo Malvezzi, M.D.

    Dr. Malvezzi joined the practice in 1999. He received his medical degree at the Universita degli Studi di Milano in Italy where he graduated cum laude. Dr. Malvezzi’s training included three months of research at Washington University Medical School and a research fellowship in vascular surgery at Morristown Memorial Hospital in New Jersey. Dr. Malvezzi then completed the general surgery residency at Morristown and received his board certification. Dr. Malvezzi completed his two-year pediatric surgery fellowship at Miami Children’s Hospital and returned briefly to Italy where he was successful in creating a pediatric surgery section at the San Raffaele Hospital in Milan. He has special interests in minimal access surgical procedures. He presently serves as Medical Director of the Level 1 Pediatric Trauma Center at Miami Children’s Hospital.

  • 305-662-8320

    Colin Knight, M.D.

    Dr. Knight joined the practice in 2007. He received his undergraduate degree from Yale University. After receiving his medical degree at the University of Virginia, he served as a Flight Surgeon in the United States Air Force. Following his military service, Dr. Knight completed his surgical residency at Allegheny General Hospital in Pittsburgh and a research fellowship in Minimally Invasive and Robotic Surgery. His pediatric surgery training was at the Children’s Hospital of Michigan in Detroit. Dr. Knight is board certified in general surgery and pediatric surgery. He is a member of many professional societies and has published a number of research articles as well as presenting at national and international meetings. Dr. Knight has a special interest in minimally invasive surgery and enjoys taking care of neonates, infants, children and teenagers.

  • 305-662-8320

    Fuad Alkhoury, MD

    Fuad Alkhoury, MD, has joined the Division of Pediatric General & Thoracic Surgery at Nicklaus Children’s Hospital. Dr. Alkhoury, obtained his medical degree from the University of Damascus School of Medicine, where he later completed an internship in general surgery. Anxious to pursue a course in postdoctoral surgical research, Dr. Alkhoury accepted a position at Massachusetts General Hospital, Harvard Medical School. He then went on to complete his general surgery residency at Hospital of Saint Raphael, Yale University School of Medicine. Upon completion, he accepted a position as a pediatric surgical fellow at Miami Children’s Hospital, Florida International University School of Medicine. Dr. Alkhoury is Board certified in General and Pediatric surgery. He is a member of many professional societies and has authored many research articles and presented in national and international meetings.
    Although Dr. Alkhoury is well versed in all aspects of pediatric surgical care, he has a special interest in hepatobiliary, intrathoracic pathology, neonatal and fetal medicine with focus on minimally invasive approach. In addition to the above, Dr. Alkhoury pioneered pediatric robotic surgery in South Florida.

  • 305-662-8320

    Juan L. Calisto, M.D.

    Dr. Juan L. Calisto joins the Department of Pediatric Surgery at Nicklaus Children’s Hospital. His interests are surgical oncology, pediatric colorectal disorders, minimally invasive techniques and international surgical training.

    Dr. Calisto completed a Pediatric Surgery Fellowship at the Children’s Hospital of Pittsburgh of UPMC. In addition he is board-certified in General Surgery and Surgical Critical Care.

    Dr. Calisto grew up and attended Medical School in Lima, Peru. He has a passion for teaching and improving surgical care all across the world. He has strong ties to Latin America and the Caribbean and has developed active programs for the training of pediatric surgeons in these areas of the world.

  • 305-662-8320

    Michel H. Nahmad, M.D.

    Dr. Michel H. Nahmad established the practice of the pediatric surgical group at Miami Children’s Hospital in 1972. Since his arrival to Miami Children’s Hospital in 1972, Dr. Nahmad has served terms on the Board of Directors both as a member and a Vice Chairman, was elected President of the Medical Staff, has served several terms on the Medical Executive Committee and was previous Chief of the Department of Pediatric Surgery. He previously served as Head of the Division of Thoracic Surgery and is presently Chairman of the Miami Children’s Hospital Bylaws Committee. Dr. Nahmad has recently assumed other responsibilities. As a member of the pediatric surgical team, he will continue to teach, work on programmatic initiatives and administrative responsibilities.

  • 305-662-8320

    Charles A. Lankau, M.D.

    Dr. Charles Lankau retired in June 2005. He began his pediatric surgical career at Miami Children’s Hospital in 1974, when he teamed up with Dr. Michel H. Nahmad. Besides establishing a busy pediatric surgical practice he was one of the pioneers at Miami Children’s Hospital in developing a pediatric urologic practice. Dr. Lankau was past President of the Medical Staff, and was Chief of the Department of Pediatric Surgery from 1974 to 2005.

  • 305-662-8320

    Malvin Weinberger, M.D.

    Dr. Malvin Weinberger retired from the practice of pediatric surgery in August of 2007. Dr. Weinberger arrived in Miami in 1972 and was an attending physician at the University of Miami and then served in private practice before joining Drs. Nahmad and Lankau at Miami Children’s Hospital in June of 1976. During his tenure at Miami Children’s, he served as President of the Medical Staff, as a Medical Executive Committee member and as Medical Director of the hospital’s state-designated, Level 1 Pediatric Trauma Center.