Giles J. Peek, MD

Chief, Division of Pediatric Cardiothoracic Surgery
Co-Director, Pediatric Heart Center
ECMO Director
Professor, Cardiothoracic & Vascular Surgery

Contact Information

P: 718.920.7580 F: 718.231.7113

Primary Location

The Children’s Hospital at Montefiore3415 Bainbridge AvenueBronx, NY 10467-2403
  • Specialties & Focus
    Clinical Focus
    • Dr. Peek&rsquo

    • s specific area of clinical expertise, includes:

      • Pediatric and Adult Congenital Cardiac Surgery and Heart Transplantation
      • Pediatric Thoracic Surgery
      • Extracorporeal Membrane Oxygenation (ECMO) 
      • Neonatal surgery (i.e. Arterial Switch, Truncus, Hypoplastic aortic arch, coarctation, Shunting, PA banding, TAPVD repair and Norwood operations)
      • Unifocalization and complete repair of Tetralogy with Pulmonary Atresia and MAPCAS
      • Surgery for anomalous coronary arteries (ALCAPA etc)
      • Complete repair of, double outlet right ventricle (DORV), Atrioventricular septal defect or AV Canal (AVSD) , ventricular septal defect (VSD), Atrial Septal Defect (ASD)Repair of Tetralogy of Fallot, including valve sparing and monocusp repairs and RV-PA conduit.
      • Surgery for complex left ventricular outflow obstruction and aortic stenosis
      • Shone&rsquo
      • s complex (Ross, Ross-Kono, Vouhe Septoplasty)
      • Surgery for Marfan&rsquo
      • s, Ehrlers-Danlos and Loeys-Deitz syndrome including Aortic Root, arch and valve sparing root replacement)
      • Valve surgery
      • including repair of Ebsteins anomaly, Mitral, Aortic, Pulmonary and Tricuspid valve repair and replacement.
      • Conversion of single ventricle to biventricular repair.
      • Double Switch and Rastelli-Senning for L-looped transposition of the great arteries (L-TGA).
      • Heart transplantation for cardiomyopathy in children and for congenital heart disease in children and adults.


    Research Focus
    • Dr. Peek—principal investigator of the CESAR trial, one of the few clinical trials studying ECMO— is focused on the use of Extracorporeal Membrane Oxygenation for both cardiac and respiratory failure in all age groups.
  • Education & Training

    Medical Education

    University of Leicester

    King's College Hospital


    Residency Program

    King's College Hospital

    Royal Brompton National Heart & Lung Hospital

    Leicester General Hospital

    Leicester Royal Infirmary

    Glenfield General Hospital


    University of Leicester

    Trent Foundation School Rotation

    Birmingham Children's Hospital

    Great Ormond Street Hospital

  • Biography

    Personal Biography

    Giles Peek MD, FRCS, CTh, FFICM—a 1990 graduate of London's Kings College Hospital School of Medicine—he earned his higher research degree upon submission of a thesis investigating the use of different biomaterials during extracorporeal life support.

    Dr. Peek was granted his intercollegiate specialty board certification in cardiothoracic surgery in 2002. Two years later, he was appointed consultant surgeon in Leicester United Kingdom and became Head of Service at Leicester's East Midlands Congenital Heart Centre (EMCHC ) in 2008, where he started the Norwood program and introduced several other operations into the repertoire of the unit including the Ross-Kono, Handley and Double-Switch.

    Dr. Peek joined Montefiore as Chief of Pediatric Cardiothoracic Surgery and Co-Director of the pediatric heart center and Director of the ECMO program at our Children's Hospital at Montefiore in 2015. Dr. Peek provides services to pediatric and adult congenital heart and thoracic surgery, however, he is particularly interested in neonatal surgery.

    Dr. Peek was appointed to the national training post in pediatric cardiothoracic surgery and trained under Bill Brawn at Birmingham Children's Hospital in Birmingham, England and under Martin Elliot and Marc de Leval at Great Ormond Street. He has served as the inaugural chair of EuroELSO (the European branch of the Extracorporeal Life Support Organization) and a member of the organization's steering committee from 1999-2014. Dr. Peek was an inaugural fellow of the faculty of critical care medicine.

    In addition to his professional endeavors, Dr. Peek—the father of two adult children—also enjoys a robust personal life where his energies are devoted to mountain climbing, cooking and spending time with family.

  • Locations

    Primary Location

    The Children’s Hospital at Montefiore

    3415 Bainbridge AvenueBronx, NY 10467-2403

    P: 718.920.7580 F: 718.231.7113

    Additional Locations

    Montefiore Greene Medical Arts Pavilion
    3400 Bainbridge AvenueBronx, NY 10467-2404 P: 718.920.7580 F: 718.231.7113 Additional Details
    Montefiore Medical Center
    111 East 210th StreetBronx, NY 10467-2401 P: 718.920.7580 F: 718.231.7113 Additional Details
    Montefiore Weiler Hospital
    1825 Eastchester RoadBronx, NY 10461-2301 P: 718.920.7580 F: 718.231.7113 Additional Details