Complex sentence: Fernando and Dr HHR Samarasinghe established a Diabetes and Endocrinology department in Sri Lanka at the Sri Jayawardanapura General Hospital and later joined the Faculty of Medicine University of Colombo as a senior Lecturer, conducting research and writing on health policy in noncommunicable diseases.
Split into simpler sentences: Fernando and Dr HHR Samarasinghe established a Diabetes and Endocrinology department in Sri Lanka at the Sri Jayawardanapura General Hospital. He then joined the Faculty of Medicine University of Colombo as a senior Lecturer, conducting research and writing on health policy in noncommunicable diseases.