Chair Professor of Oral Medicine and Periodontology form 26-08-2018
Professor in Oral Medicine and Radiology from 4th June 2015
Senior Lecturer Grade I from Feb 2012 -2015
Senior Lecturer Grade II Feb 2007 to Feb 2012
Honorary Research Associate at the Oral Radiology Unit, Faculty of Dentistry, The University of HongKong from 11- Nov 2006 to 5- Nov 2007
Research assistant and casual academic staff member- School of Dentistry and Oral Health, University of Griffith, Gold Coast, Australia June- August 2010
Certificate of recognition for the commendable contribution in research (Tier I) in the Faculty of Dental Sciences for the year 2019, 2020, 2021 awarded by the Faculty of Dental Sciences, University of Peradeniya
Certificate of recognition for the commendable contribution in research (senior category) in the Faculty of Dental Sciences for the year 2018 awarded by the Faculty of Dental Sciences, University of Peradeniya
Adjunct faculty in the department of Oral Medicine and Periodontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, lndia
Director- Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya
Director- Director, Operational Technical Secretariat (OTS) University of Peradeniya, AHEAD Operations
Head, Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from August 2013 to August 2016
Head, Department of Radiography and Radiotherapy, Faculty of Allied Health Sciences from 26-12-2011to 07/8/21013
Member, Management Committee, University Research Council, University of Peradeniya
Member/ Research Committee of the China Sri Lanka Joint Research and Demonstration Centre for Water Technology (JDRC) University of Peradeniya from 1st April 2022
Board member, Board of Study in Dental Surgery form January 2011 to May 2012 and from 1st June 2015 to 20th June 2018 and from 21st June 2018 to 1st March 2019
Secretary- Specialty Board in Oral Pathology, Post Graduate Institute of Medicine, University of Colombo from February 2009-2012 and 2012-2015 and from July 2015 to September 2018
Member, Specialty Board in Oral and Maxillofacial surgery
Member, Specialty Board in Oral Pathology October 2019 to July 2022
President- College of Dentistry and Stomataology of Sri Lanka 2015-16
President- Sri Lanka Society of Oral Medicine and Oral Pathology
Member- Research Council of the National Institute of Fundamental Studies from November 2015 to 2021
Member, Subcommittee on Smokeless Tobacco, National Authority on Tobacco and Alcohol (NATA) Sri Lanka from August 2017- November 2019
Member of Technical Advisory Committee on Cancer Registration and Research, National cancer Control Program, Ministry of Health, Sri Lanka
Image collection and annotation platforms to establish a multi-source database of oral lesions. Rajendran S, Lim JH, Yogalingam K, Kallarakkal TG, Zain RB, Jayasinghe RD, Rimal J, Kerr AR, Amtha R, Patil K, Welikala RA, Lim YZ, Remagnino P, Gibson J, Tilakaratne WM, Liew CS, Yang YH, Barman SA, Chan CS, Cheong SC. Oral Dis. 2022 Apr 10. doi: 10.1111/odi.14206. Epub ahead of print. PMID: 35398971.
Barriers to early detection and management of oral cancer in low- and middle-income developing countries
Ng, Sin Wi; Syed Mohd Sobri, Sharifah Nur Syamim; Mohd Zain, Rosnah; Kallarakkal, Thomas George; Amtha, Rahmi; Wong, Felix Anthony Wiranata; Rimal, Jyotsna; Durward, Callum; Chea, Chanbora; Jayasinghe, Ruwan D; Vatanasapt, Patravoot; Ibrahim Tamin, Nor Saleha; Cheng, Lai Choo; Abdul Rahman, Zainal Ariff; Ismail, Siti Mazlipah; Tepirou, Chher; Rajendran, Senthilmani; Kanapathy, Jananezwary; Liew, Chee Sun; Cheong, Sok Ching
Journal of Health Services Research & Policy. 2022 Apr;27(2):133-40.
Economic cost of managing patients with oral potentially malignant disorders (OPMDs) in Sri Lanka. Amarasinghe, Hemantha; Jayasinghe, Ruwan; Dharmagunawardene, Dilantha; Attygalla, Manjula; Kularatna, Sanjeewa and Johnson, Newell. Community Dentistry and Oral Epidemiology. Community Dent Oral Epidemiol. 2021;00:1–6. DOI: 10.1111/cdoe.12639
Automated Detection and Classification of Oral Lesions using Deep Learning for Early Detection of Oral Cancer. Welikala, Roshan, Remagnino Paolo, Lim, Jian, Chan, Chee Seng, Rajendran, Senthilmani, Kallarakkal, Thomas, Zain, Rosnah, Jayasinghe, Ruwan, Rimal, Jyotsna, Kerr, Alexander, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake, Gibson, John, Cheong, Sok, Barman, Sarah
IEEE Access Volume 8; 2020, DOI- 10.1109/ACCESS.2020.3010180
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