Dr. Williams has led over 200 presentations covering topics such as:
- the Yugoslav peace process,
- the Dayton peace negotiations,
- the Rambouillet/Paris negotiations,
- the dissolution of the former Soviet Union,
- European integration,
- the Nagorno-Karabagh crisis,
- the legal status of Taiwan,
- responsibility to protect,
- earned sovereignty,
- humanitarian intervention,
- human rights,
- the U.N. Human Rights Committee,
- war crimes,
- the International Criminal Court,
- state succession,
- international environmental dispute resolution,
- Central and East European geopolitics,,
- the politics of economic transformation,
- the regulation of transboundary watercourses,
- the legal regime of nuclear power management,
- and California water law.
Venues have included: Abidjan, Abu Dhabi, Agok, Amsterdam, Ankara, Baghdad, Beirut, Belgrade, Benghazi, Boston, Bratislava, Brussels, Budapest, Cairo, Cambridge, Chiang Mai, Chicago, Cleveland, Colombo, Curacao, Dayton, Delhi, Denver, Doha, Erbil, Gaziantep, Geneva, Gulu, Hargeisa, Istanbul, Juba, Kampala, Kathmandu, Kuala Lumpur, Kyoto, London, Messina, Misrata, Nairobi, New York, Nicosia, Nis, Oxford, Palo Alto, Paris, Podgorica, Prague, Pretoria, Rabat, Rome, Sabratah, Sana’a, San Antonio, San Jose, Santiago, Sarajevo, Shanghai, Siracusa, Skopje, Stepanakert, St. Martin, Stockholm, Tallinn, Taiz, Tbilisi, The Hague, Tripoli, Tunis, Valparaíso, Warsaw, Washington, D.C., Yangon, Yerevan, Zawiyah, Ziguinchor, and Zuwara.
Dr. Williams has made presentations to groups of students, academics, professional colleges, lawyers, governments, civil society organizations, marginalized populations, military officials, rebel groups, NGOs, UN officials, women’s organizations, youth organizations, victims of atrocities, and tribal elders, among others.