Image: SEALS27 Padang, Sumatra, Indonesia, May 2017.

• 2023. ICAAL11 (11th International Conference on Austroasiatic Linguistics, Chiang Mai 26-27 Oct.). How to reconstruct the Proto-Austroasiatic Vowels. 

• 2023. Southeast Asian Linguistics Society (Chiang Mai, May 2023). Proto-Aslian reconstruction: classification, vocalism, homeland.
  DOI 10.5281/zenodo.8397374

• 2022. (with Mark Alves) ICAAL10 (10th International Conference on Austroasiatic Linguistics) Re-evaluating Shorto's Austroasiatic Reconstructions ("Will the Real Austroasiatic Etyma Please Stand Up?") 

• 2022. ICAAL10 (10th International Conference on Austroasiatic Linguistics) Reconstructing the Proto‐Austroasiatic Lexicon: A Conspectus. DOI 10.5281/zenodo.8397374 

• 2022. HRESAL 2022 Historical Relationships of East and Southeast Asian Languages (National Tsing Hua University, Sept. 2022) Internal and external language contact in Northern Austroasiatic: a very interesting mess.

• 2022. Southeast Asian Linguistics Society (Hawaii May 2022). Grammaticalization in Nicobarese.

• 2021. Southeast Asian Linguistics Society (virtual conference). video presentation: Austroasiatic Dispersal: the AA "Water-World" Extended?

• 2019. ICAAL8 International Conference on Austroasiatic Linguistics, Chiang Mai (Thailand) August 29-31. Paper presented: Proto-Pearic and the role of vowel height in register formation.

• 2019. ALMSEA The Anthropology of Language in Mainland Southeast Asia. Sydney University, Aug. 19-20. Paper presented: Reconstructing language contact and social change on Boloven Plateau, Laos.  Slides; Speaking notes.

• 2019. ICHL24. Sydney July 1-5. Paper presented: AA in Island SEA: proto-Nicobarese syntax 

• 2019. ICSTLL52. Sydney June 24-26. Paper presented: Pakanic tonogenesis in Areal and Etymological Perspective. (with Andrew Hsiu) 

• 2019. 29th Annual Meeting of the Southeast Asian Linguistics Society. Tokyo. Paper presented: Austroasiatic Numerals: the case against decimal counting 

• 2019 May 22 Graduate Institute of Linguistics National Tsing Hua University, Taiwan. Austroasiatic  Studies: the state of the art 2018 slide show

• 2018: 28th Annual Meeting of the Southeast Asian Linguistics Society. Kaohsung Taiwan. Paper presented: Austroasiatic deep chronology and the problem of cultural lexicon 

• 2017: 27th Annual Meeting of the Southeast Asian Linguistics Society. Padang. Paper read: Proto-Nicobarese Phonology

• 2017: ICAAL7 (International Conference on Austroasiatic Linguistics) Kiel, Germany, Paper presented: Proto Nicobarese phonology, morphology, and syntax 

• 2016: AA workshop 2016: Austroasiatic Syntax in Areal and Diachronic Perspective (Chiang Mai University) September 5-7. Paper read: Nicobarese Comparative Grammar.

• 2016: DARPA/LORELEI PI Meeting (Nashua, NH) August 29-31.

• 2016: DARPA/LORELEI PI Meeting (San Antonio, TX) February 24-26.

• 2015: Integrating Inferences About Our Past New Findings And Current Issues In The Peopling Of The Pacific And Southeast Asia, the Max Planck Institute for the Science of Human History (Jena). Paper read: Phylogeny, innovations, and correlations in the prehistory of Austroasiatic.

• 2015: Closing conference of the Department of Linguistics of the Max Planck Institute for Evolutionary Anthropology. Leipzig. Paper read: A comprehensive phylogenetic analysis of the Austroasiatic languages.

• 2015. 25th Annual Meeting of the Southeast Asian Linguistics Society. Chiang Mai. Paper read: Contact and convergence in Northern Austroasiatic.

• 2014: 24th Annual Meeting of the Southeast Asian Linguistics Society, Yangon University, Yangon, Myanmar. Paper read: The classification of Danaw, a Palaungic Language.

• 2013: Organizing Committee, Fifth International Conference on Austroasiatic Linguistics, ANU, Canberra. Paper read: Proto-Khmuic: reconstruction and subgrouping.

• 2013: 23rd Annual Meeting of the Southeast Asian Linguistics Society, Chulalongkorn University, Bangkok, Thailand. Paper read: Creaky and Glottalized syllables in Katuic languages: analysis of the Huffman recordings?

• 2012: Mainland Southeast Asian Languages: The State of the Art in 2012, Max Planck Institute for Evolutionary Anthropology, Department of Linguistics, Leipzig, Germany. Paper read: Diversity, discontinuity and asymmetry in the typological restructuring of Mainland Southeast Asian languages.

• 2012: Austroasiatic workshop, 45th International Conference on Sino-Tibetan Languages & Linguistics, Nanyang Technological University, Singapore. Paper read: Sketch of Sedang.

• 2012: : 22nd Annual Meeting of the Southeast Asian Linguistics Society, Argay, France. Paper read: Should we reconstruct a decimal or non-decimal counting system for proto-Austroasiatic?

• 2011: 20th International Conference on Historical Linguistics (ICHLXX), Osaka, Japan. Papers read: Austroasiatic branching: New computational approaches and results, and Sub-Branching or Convergence? Monophyletic versus paraphyletic groupings in Austroasiatic.

• 2011: 21st Annual Meeting of the Southeast Asian Linguistics Society, Kasetsart University, Bangkok, May 11–13, 2011. Paper read: Proto-Khasian (or -War-Khasi); reconstruction and classification.

• 2010: The First Conference on ASJP and Language Prehistory, MPI Leipzig, September 17–19, 2010. Invited Speaker, paper read: Three Austroasiatic Branches and the ASJP.

• 2010: 20th Annual Meeting of the Southeast Asian Linguistics Society, University of Zurich, June 10–11, 2010. Paper read: Proto Palaungic phonology: reconstructing vowel lengths and qualities in a partially restructured system.

• 2009: Organizing Committee, Forth International Conference on Austroasiatic Linguistics, Bangkok, Thailand, on October 29–30, 2009. Paper read: Austroasiatic homeland and family diversity.

• 2009: 19th Annual Meeting of the Southeast Asian Linguistics Society, University of Social Sciences and Humanities, Vietnam National University, Ho Chi Minh City. Plenary Address read: The Austroasiatic Central Riverine Hypothesis.

• 2008: 35th International Conference on Sino-Tibetan Languages & Linguistics, School of Oriental and African Studies, London. Paper read: Was there ever an Austroasiatic substrate in central China?

• 2008: Society for the History of Linguistics in the Pacific (SHLP), Inaugural Conference, ANU, 1 August. Paper read: Language classification: failure, confusion and success in mainland and insular Southeast Asia.

• 2008: 18th Annual Meeting of the Southeast Asian Linguistics Society, Universiti Kebangsaan Malaysia, Bangi. Paper read: Is Mon-Khmer dead? Long liveAustroasiatic!

• 2007: Third International Conference of Austroasiatic Linguistics, Pune, India. Paper read: Comparative Mon-Khmer Linguistics in the 20th Century: Where From, Where To?

• 2007: 17th Annual Meeting of the Southeast Asian Linguistics Society, University of Maryland, USA. Paper read: Proto-Mon-Khmer Vocalism: moving forward from Shorto's "Alternances".

• 2006: 16th Annual Meeting of the Southeast Asian Linguistics Society, Atma Jaya Catholic University, Jakarta. Paper read: Austroasiatic Creaky voice: towards an historical explanation.

• 2005 Organizer: 15th Annual Meeting of the Southeast Asian Linguistics Society, Australian National University, Canberra. Paper read: Proto Katuic Phonology and implications for sub-grouping.

• 2004 2nd Asia Lexicography Conference, Payap University, Chiang Mai. Paper read: A project to establish an on-line Mon-Khmer comparative database and language documentation repository as a basis for international research cooperation.

• 2004 14th Annual Meeting of the Southeast Asian Linguistics Society, Thammasat University, Bangkok. Paper read: The Origins of the Chamic Lexicon: evidence for ancient lexification, and subsequent back-borrowing into MK languages.

• 2003. 36th International Conference on Sino-Tibetan Languages and Linguistics. Paper read: Etymologising the MK lexicon in Proto-Chamic.

• 2002 35th International Conference on Sino-Tibetan Languages & Linguistics, Arizona State University. Paper read: Nasal Epenthesis and Consequences for Reconstruction in MK.

• 2002 6th Australian Linguistic Institute, Maquarie University. Course presenter: Comparative reconstruction and language change, a practical introduction

• 2002 12th Annual Meeting of the Southeast Asian Linguistics Society, Northern Illinois University, De Kalb. Paper read: Reconciling the Mon-Khmer substrate in Chamic with the history of neighboring languages.

• 1996 29th International Conference on Sino-Tibetan Linguistics, Uni. of Leiden. Paper read: A lexicostatistical classification of the Bahnaric language.