• Temporary Lecturer, Division of Anatomy, Department of Basic Sciences, Faculty of Dental Sciences, University of Peradeniya from 1999-2001.
• Lecturer in anatomy, Division of Anatomy, Department of Basic Sciences, Faculty of Dental Sciences, University of Peradeniya from 2001-2008.
• Graduate student, teaching and research assistant in the Department of Anatomy and Physical Anthropology, Nihon University Graduate School of Dentistry at Matsudo, Japan from 2003-2008.
• Senior lecturer in anatomy Grade II, Division of Anatomy, Department of Basic Sciences,Faculty of Dental Sciences, University of Peradeniya from 2008-2013.
• Senior lecturer in anatomy Grade I, Division of Anatomy, Department of Basic Sciences,Faculty of Dental Sciences, University of Peradeniya from 2013 to date.

• Miss Lucy de Abrew medal for the best performances at the second BDS examination in 1995.
• Award for the best oral presentation from the Faculty of Dental Sciences at the Annual Research Sessions of the University of Peradeniya in 2001 and 2002.
• Fulbright scholarship by the Japanese government (MONBUSHO) to study for the PhD in the Department of Anatomy and Physical Anthropology, Nihon University Graduate School of Dentistry at Matsudo, Japan from 2003-2008.
• Best Poster, 1st runner-up at the 32nd Asia Pacific Dental Congress, May, 2010, Colombo, Sri Lanka
• First place for the paper presentation at the 10th Annual Scientific Sessions of Sri Lanka Association of Oral and Maxillofacial Surgeons July 2013, Kandy, Sri Lanka.
• Full travel grant to attend 17th World Congress of IUAES 2013 by the Wenner-Gren Foundation.
• Travel grant to attend 17th World Congress of IUAES 2013, Manchester, UK by the International Research Center, University of Peradeniya.
• Travel grant to attend IUAES Inter-Congress, 2012, Bhubaneswar, India by the International Research Center, University of Peradeniya.
• Travel grant to attend IUAES Inter-Congress, 2015, Bangkok, Thailand by the International Research Center, University of Peradeniya.
• National Research Council Merit Award for Scientific publications (2013) in 2015 for Peiris R, Satake T, Kanazawa E. (2013) Fluctuating asymmetry of the permanent mandibular molars in a Japanese population. Odontology; 101(1): 15-21.

• Council member, Sri Lanka Dental Association - Kandy Branch (2009-2010).
• Vice President, Sri Lanka Dental Association - Kandy Branch (2015-2016).
• Vice president, Peradeniya Dental Faculty Teacher's Association in 2013/2014.
• Treasure, Peradeniya Dental Faculty Alumni Association in 2013/2014, 2014/2015.
• Secretary, Peradeniya Dental Faculty Teacher's Association in 2014/2015, 2015/2016.

Visiting Appointments

• Visiting Senior Lecturer in Anatomy, Faculty of Allied Health Sciences, University of Peradeniya from 2008 to 2011.
• Visiting Senior Lecturer in Anatomy, Faculty of Medicine, University of Peradeniya from 2014.
• External examiner to the Faculty of Medicine & Allied Health Sciences, University of Rajarata. I have served as an examiner of the 2nd MBBS examination in years 2008,2009, 2010, 2012 for the medical students of the Faculty of Medicine & Allied Health Sciences, University of Rajarata.
• External examiner to the Faculty of Medicine, University Peradeniya. I have served as an external examiner for the 2nd MBBS examination of the Faculty of Medicine, University of Peradeniya in 2011, 2012.
• Preparatory course for MD Part I (Oral Surgery, Orthodontics, Restorative Dentistry) conducted by the college of Dentistry and Stomatology, Sri Lanka.
• Cross sectional Anatomy tutorials for MD part I (General Surgery) conducted by Post Graduate Institute of Medicine, University of Colombo Sri Lanka from 2012 to 2015.
• Diploma in Hospital Dental Practitioners course conducted by the Post Graduate Institute of Medicine, University of Colombo Sri Lanka from 2013 to 2015.
• Forensic Odontology for Post Graduate programme in Legal Medicine conducted by Post Graduate Institute of Medicine, University of Colombo from 2012-2013.
• Diploma in Human Anatomy conducted by the post graduate Institute of Medicine,University of Colombo, Sri Lanka in 2014 - Lectures and Practicals.
• I have been serving as an Examiner of selection examinations for MD-Oral Surgery, MD- Orthodontics since.
• Member of the MCQ Core group of the MS Dental Surgery Part I examination/ selection examinations for MD-Oral Surgery, MD-Orthodontics & MD-Restorative Dentistry.

• Root and root canal morphology of the human dentition in different world populations.
• Metric and non-metric dental and skeletal variations in different world human populations (Contemporary, Historic and Prehistoric).
• Dental asymmetry in different world human populations (Contemporary, Historic and Prehistoric)
• Metric and non-metric dental variations in Aboriginal Vedda populations of Sri Lanka (Dambana, Anuradhapura and Coastal Vedda) living in Uva, North Central, East part of Sri Lanka.

Current research projects

• Dental Anthropological study (metric and non metric dental variations) on a Aboriginal Vedda population (Anuradhapura and Coastal Vedda) living in North Central and East part of Sri Lanka.
• Metric and non-metric dental and skeletal variations of a contemporary Sri Lankan population.
• Evaluation of course and morphology of inferior alveolar canal in a Sri Lankan population using CBCT.
• Metric and non-metric characteristics in the dentition of children/adolescent with Down syndrome.

Collaborative research projects

• “Gender and ethnic group differences in oral health in Sri Lanka” with Prof. John Luckacs of Department of Anthropology, University of Oregon, Eugene, USA.
• "3600-Year Old Human Remains from the Mini-athiliya Shell Midden, Sri Lanka" collaborative work with Associated Professor, Samanti Kulatilaka of Department of Sociology and anthropology, Mount Royal University, Calgary, Canada.

• Member, Specialty Board in Anatomy, Medical Education Resource Centre (MERC), Postgraduate Institute of Medicine of Sri Lanka in 2012.
• Anthropology of Human Teeth - Hidden Evidence of Human Identity”Professor K. Bambaradeniya Memorial Oration, Sri Lanka Dental Association (Kandy Branch) Annual Scientific Sessions, Sri Lanka Dental Association 16th January 2016, Kandy.
• Co-Editor, Editorial Board member - Proceedings of the Peradeniya University Research Sessions 2012 (Volume 17) (ISBN 978-955-589-164-6, ISSN 1391-4111) published by the University of Peradeniya, Peradeniya, Sri Lanka.
• Co-Editor, Editorial Board member- University Calendar 2013/2014 (ISBN 978-955- 589-163-9) published by the University of Peradeniya, Peradeniya, Sri Lanka.
• Co-Editor, Editorial Board member- Proceedings of the Peradeniya University International Research Sessions 2015 (Volume 19) (ISBN 978-955-589-201-8) published by the University of Peradeniya, Peradeniya, Sri Lanka.
• Editor in Chief- Conference Manual (ISSN 2478-0286) - Sri Lanka Dental Association (Kandy Branch) annual scientific sessions - 2016, Kandy, Sri Lanka
• I was invited as a resource person and participant for the 8th Macroscopic anatomy Seminar in Niigata held at the Nippon Dental University School of Life Dentistry Niigata, Japan in August 2014.
• I was invited as a resource person at the 9th face course "Around the Orbit" at Kuliyapitiya Base Hospital conducted by the Society of Oral and Maxillofacial Surgeons of Sri Lanka in November 2015.
• Resource person in workshop conducted by the Ethical review committee, Faculty of Dental Sciences on “Ethical issues in research and ethics review process" in July 2015.
• Resource person in Intensive English programme and the on-going English programme for the dental undergraduates from 2012-2015.
• Participated as a resource person at the first ever Macroscopic Anatomy Workshop titled “Journey through Head and Neck” with the collaboration of Japanese Anatomists at the Department of Basic Sciences, Faculty of Dental Sciences in February 2016.
• Chair person at free sessions at FDI/ CDA/ SLDA joint International Conference and 80th anniversary annual scientific sessions of Sri Lanka Dental Association June 2013, Colombo.

1. Arambawatta A.K.S., Peiris H.R.D., Nanayakkara C.D. (2012) Maxillary permanent second premolar with three roots and root canals – A case report. Indian Journal of Dentistry; 3(1): 21- 4.
2. Peiris R, Satake T, Kanazawa E. (2013) Fluctuating asymmetry of the permanent mandibular molars in a Japanese population. Odontology; 101(1): 15-21.
3. Peiris R.D., Edirisinghe G.K., , Wettasinghe A., Abayakoon J.B. (2012) Mesiobuccal root canal morphology of the permanent maxillary first molar in a Sri Lankan population. Malaysian Dental Journal Malaysian Dental Journal; 34(2): 36-42.
4. Arambawatta K., Peiris R., Ihalagedara D., Abeysundara A., Nanayakkara D. (2013) External root resorption of young premolar teeth in dentition with crowding. World Journal of Dentistry; 4(4):224-227.
5. Hewapathirana T.N., Peiris H.R.D, Nanayakkara C.D., Chandrasekara M., Wickramanayake E. (2014) Sexual dimorphism and tooth size variation in the permanent dentition of the Uva Bintenna Veddas of Sri Lanka. Advances in Anthropology; 4(1): 1-6, DOI: 10.4236/aa.2014.41001
6. Herath E.M.U.C.K., Nandasena B.G.T.L., Perera K., Ratnayake S.C., Peiris H.R.D., Miyasaki H. (2015) Caries experience in 5 - 6 year old primary school children in Kandy, Central Province of Sri Lanka. Journal of Japan Society of Human Growth and Development; 13(1):52-54. (in Japanese)
7. Roshan Peiris, Uthpala Malwatte, Janak Abayakoon, Anuradha Wettasinghe (2015) Variations in the Root Form and Root Canal Morphology of Permanent Mandibular First Molars in a Sri Lankan Population. Anatomy Research International Hindawi Publishing Corporation Volume 2015, Article ID 803671, 7 pages http://dx.doi.org/10.1155/2015/803671
8. Siriwardena BSMS, Jayathilake DSY, Pitakotuwage TN, Illeperuma RP, Kumarasiri PVR, Attygalla AM, Peiris HRD and Tilakaratne WM (2015) Demographic and Histopathological Differences of Oral Squamous Cell Carcinoma; Analysis of 4394 Cases from Sri Lanka. Journal of Clinical & Experimental Oncology; 4(4) http://dx.doi.org/10.4172/2324-9110.1000149
9. Peiris H.R.D., Jayaweera J.A., Arambawatta A.K.S., , Nanayakkara C.D. (2016) Bilateral Asymmetry In Non Metric Tooth Crown Traits In A Sri Lankan Aboriginal Vedda Population Of Anuradhapura Journal of Indian Anthropological Society; 51 (in press)
10. Senadheera V.V., Nawagamuwa B.M., Nidhya K., Sivappriyan S., Warnasooriya W.M.S. M., Madhuranga P. M., Peiris H.R.D. (2016) Prevalence and associated factors of flatfoot among 6 to 10 aged children in central province of Sri Lanka. International Journal of Physiotherapy; 3(3):310-315. DOI : 10.15621/ijphy/2016/v3i3/100834

Curriculum Vitae