Mr. Mohottigedara is a Member of the Sri Lanka Administrative Services with over 20 years of working experience in the General Treasury in the fields of Revenue Administration, Managements Services, Public Enterprises, Cabinet affairs and HRM.  Presently he is a Senior Assistant Secretary of   the Cabinet and Parliament Affairs of the General Treasury. 

Mr. Mohottigedara holds a BSc in Science from the University of Peradeniya, a MSc in Geography (Development and Planning) from the Faculty of Social Science of the University of Kelaniya, Post Graduate Diploma on Human Resource Management from the PGDHRM of the University of Kelaniya, Master of Human Resource Management from the Faculty of Commerce and Management, University of Kelaniya and with the professional qualifications of AMCIPM from the Chartered Institute of Personnel Management and FCPM from the Institute of Chartered Professional Managers.

Prior to this appointment, he held several senior positions in the Department of Management Services, Department of Customs and the Ministry of Finance.

He had also served as a Director on several Private and Public Companies.