Dr. Hrvoje Kniewald was born on April 11, 1972, in Zagreb. He completed his primary and secondary education in Zagreb, graduating with distinction in 1990 from the Mathematics and Computer Science Education Centre. In the same year, he enrolled at the University of Zagreb School of Medicine, graduating in July 1996 with a GPA of 4.2.

During his medical studies, he worked as a student teaching assistant in the departments of Chemistry, Biochemistry, Biology, and Microbiology. He was also actively involved in organizing the Student Tennis Section of the Medical School between 1993 and 1996. His one-year clinical internship was completed voluntarily at the University Hospital Centre (UHC) Zagreb.

From 1994, Dr. Kniewald engaged in professional and scientific work at the Department of Pediatrics, UHC Zagreb, and volunteered at the Division of Neonatology and Intensive Care until 1997. During this period, he contributed to multiple scientific publications and continuing medical education courses.

Between November 1997 and February 2000, he worked as a junior researcher at the School of Medicine, University of Zagreb, on the national research project “Immunogenetics of Neuromuscular and Cardiac Diseases in Children” (No. 108-141), led by Prof. Dr. Ivan Malčić.

In 1998, he enrolled in the first generation of postgraduate doctoral studies in biomedical sciences at the University of Zagreb School of Medicine, successfully completing the first three years.

In 2001, Dr. Kniewald began a pediatric residency at UHC Zagreb and, in July 2005, passed the specialist exam in pediatrics. He continued his career at the Department of Pediatric Cardiology. During his residency, he also completed a postgraduate course in Clinical Pediatrics.

In 2007, he began his subspecialization in pediatric cardiology, which he completed in 2009. Since 2010, he has been involved in undergraduate teaching at the Department of Pediatric Cardiology, and since 2008, he has regularly taught in postgraduate programs in Clinical Pediatrics and Emergency Medicine.

Dr. Kniewald has extensive experience in both invasive and non-invasive pediatric cardiology. Since 1997, he has participated in over 3,000 invasive cardiac procedures, alongside long-term involvement in pediatric and neonatal intensive care.

In recognition of his professional and humanitarian work, he received the “Ponos Hrvatske” (Pride of Croatia) award in 2016.

He is currently employed as a pediatric cardiology subspecialist at the Department of Pediatrics, University Hospital Centre Sestre milosrdnice in Zagreb.

On the LittleDot platform, he offers online consultations and interpretation of pediatric cardiology reports, making his extensive experience accessible to patients across Croatia and beyond.