Dr. Leeberk is a Community Physician with expertise in the management of acute illnesses, chronic diseases and mental in health in primary care. He is a public health researcher and a Faculty in Family Medicine and has been co-guide several postgraduate theses. Dr Leeberk has a keen interest in injury prevention and non-communicable diseases. He has to his credit more than ten publications in peer-reviewed journals and is currently involved in a collaborative research project with the University of Nottingham, UK. Dr. Leeberk along with his team also focuses on health care delivery in a limited resource setting. Dr Leeberk also heads the clinical services of Division of Community Health alongside being a faculty in research methodology courses conducted by National Board of Examination, Delhi.

Besides his medical profession, he is an international alumnus of Haggai and currently equipping himself to become a biblical counsellor.