2018 - Are primates at risk of extinction in protected areas? XXVI Congress of the International Primatological Society (IPS), Kenya, Africa
2016 - The critical status of protected areas in Africa. 53rd Annual Meeting of the Association of Tropical Biology and Conservation (ATBC), Montpellier, France
2014 - Do protected areas work? Assessing threats and conservation activities in tropical Africa. XXV Congress of the International Primatological Society (IPS), Hanoi, Vietnam.
2012 - The crucial role of conservation efforts in preventing species extinction risk. The case study of African great apes. 3rd European Congress of Conservation Biology (ECCB), Glasgow, Scotland.
2012 - Evidence.based conservation: implications for the survival of bonobos. XXIV Congress of the International Primatological Society (IPS), Cancun, Mexico.
2012 - Assessing alternative land-use strategies to improve ape conservation. XXIV Congress of the International Primatological Society (IPS), Cancun, Mexico.
2012 - Lack of conservation efforts rapidly increases African great ape extinction risk. XXIV Congress of the International Primatological Society (IPS), Cancun, Mexico.
2007 - Insectivory in Nigerian Chimpanzees (Pan troglodytes vellerosus): Ape harvesting strategies in relation to abundance and nutritional values of ants, bees and termites. Gashaka Primate Project (GPP) Meeting, Roehampton University, London.
2003 - Semantic content in the Western Black and White Colobus (Colobus polykomos) vocal communication in the Tai Forest, Ivory Coast. Primate Society of Great Britain (PSGB) spring meeting.
2003 - Black and White Colobus (Colobus polykomos polykomos) alarm calls. XVI Congresso Associazione Primatologica Italiana (API) Convento dell'Osservanza di Radicondoli, Siena, Italy.
2018 - Extinction risk of African Primates: drivers and possible solutions. Faculty of Artes Liberales, University of Warsaw
2017 - Drivers of change analysis at a continental, regional and landscape level. African Wildlife Foundation, Nairobi, Kenya
2015 - Success and failure of conservation management in tropical Africa. Centre for Biocultural Anthropology, Aarhus University, Denmark.
2015 - Threats and conservation activities across tropical Africa. Department of Zoology, Wildlife Conservation Research Unit, Oxford University, UK.
2014 - Measuring the success of conservation efforts in African tropical protected areas. Institute of Geography, Biogeography and Conservation Biology Lab, Humboldt University, Berlin, Germany.
2013 - Assessing threats and conservation actions in protected areas: the case study of African great apes. Department of Plant Ecology and Nature Conservation, University of Potsdam, Germany.
2011 - An overview on the historical distribution of African great apes and protected area conservation efforts. Department Biological Anthropology, UCL, London, UK.
2010 - Impact of law enforcement on endangered species. The case of African great apes. Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
2009 - Overview on great apes distribution and protection efforts in Eastern Africa. Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
2007 - The value of regional and global meta-analysis of ape survey data. Invited talk at: WWF Congo Basin Species Workshop, Yaounde, Cameroon and Bwindi Mountain Gorilla Workshop, Kampala, Uganda.