Dr. Kljenak is an integral member of a group of specialists in Children’s Hospital Zagreb, Zagreb University Medical School since 1996. He is certified by The European Union of Medical Specialists (UEMS), The European Board in Paediatric Surgery as a Fellow of the European Board of Paediatric Surgery FEBPS and by Ministry of Health, Republic of Croatia as Pediatric Surgeon.
After successfully completed postgraduate studies of Public Health in 1991, he undertook higher surgical training in Plastic Surgery at the Yale University in New Heaven, than at St, Thomas’ Hospital and Lister Hospital in London under the mentorship of dr. Bryan Mayo and at the University of Oxford.
Dr. Kljenak finished 2nd International course Principles of Facial Reconstruction at the American Academy of Facial Plastic and Reconstructive Surgery, and received additional Postgratuated Training in Plastic Surgery from the Continuing Medical Education Program organized by University of Zagreb as well as : Hand Injuries and Diseases; Cosmetic Surgery; Breast Surgery and Facial Plastic Surgery.
He successfully completed Tranformational Leadership at The George Washington University Columbian College of Arts and Sciences. He earned a Master's degree from the University of Zagreb and a Doctoral degree from the University of Osijek. From the Ministry of Health , Republic of Croatia he have been awarded the title of Primarius. Dr. Kljenak is the author or co-author of more than 50 scientific publications, and has given keynote lectures at many Universities and Scientific meetings. He is internationaly recognized as Expert for Hand Surgery in Patients with Epidermolysis Bullosa with his original Technique ZSRP. For his work Dr. Kljenak received City of Zagreb Award for excellence, Debra butterfly Distinguished Service Award, Memorial medal of the President of Republic of Croatia; Diploma of the Croatian Medical Association in Recognition of the Outstanding Contribution in Fostering Honorable Tradition of Croatian Medical Association, Medical Science and Health Care in Croatia and other Awards and Acknowledgements.
