Professor Stanislaus Joseph Yogarajah has a PhD in Linguistics, an MPhil in Linguistics, and a B A Honours in Linguistics from the University of Kelaniya. He has been a professor in Linguistics since 2009, and has served as the Head of the Department of Linguistics from 2004 to 2006. He is a language scholar who specializes in the teaching of Tamil and Sinhala as a second language and in sociolinguistics. He has served as a visiting lecturer in Tamil at the Department of Languages and Cultural Studies at the University of Sri Jayawardenepura and Department of Sinhala at the University of Colombo. He has published extensively on teaching and learning Tamil and Sinhala as a second language, including an Introduction to Spoken Tamil by the Department of Official Languages. Overall, he has produced 32 books and DVDs to promote the learning of Sinhala and Tamil as a second language and published many research articles. In his capacity as a language trainer, he has trained trainers to develop Tamil language skills of the armed forces and the police. He has been trained in second language learning in England and in Scotland. He has also served as a resource person at the Department of Official Languages assisting in the development of language materials, dictionaries, and teacher training for over 25 years. He is a member of the Advisory Board of the Sinhala Dictionary Office of the Department of Cultural Affairs. In addition, he is a board member of National Institute of Language Education and Training (NILET) since 2015. He is also a member of the literature panel in the Arts Council of Sri Lanka. Currently, he is on the advisory committee of two projects of the National Library and Documentation Services Board, and a consultative committee member for television and broadcasting for the Ministry of Mass Media and Information since 2006. He also serves as an advisor to the Department of Asian Cultural, Religious and Language Affairs of the Sanasa Campus. He was a member of the panel of judges in the Raigam “The Nation’s Teledramas” awards ceremony and Sri Lankan media awards ceremony from 2012 to 2016. He is also a trained counselor and a lay preacher with a diploma in theology from the University of Urban, Rome, and diplomas in counselling and trauma counselling from the Family Studies and Service institute and from Vidya, in California respectively. He is also an all-island Justice of the Peace.