Our clients

Calliope has worked with hundreds of clients of all types, across all industries, and around the world. Here is just a selection of them. 

UNESCO Regional Meeting

  • Underwater Heritage Committee, 2016, Copenhagen, Denmark

United Cities & Local Governments

  • UCLG-Habitat III Meeting, Barcelona, Spain
  • GA of the International Observatory on Participatory Democracy 2018 Barcelona, Spain

Universal Forum of Cultures 2004

  • Universal Forum of Cultures, 2004, Barcelona

University of Corsica

  • Interdisciplinarity Symposium, 2017, Corte, France

University of Cyprus

  • Annual Leventis Lecture: Noam Chomsky (2004), regular client, Nicosia

UNWTO / Andorran Government

  • World Congress on Snow and Mountain Tourism,2016, Sant Julià de Lòria, Andorra

UPA, Union Parlementaire Africaine

  • 62nd Executive Committee Meeting, 2013, Abidjan, Ivory Coast

US Department of Homeland Security

  • Western Hemisphere Illicit Pathways Training, 2017, San José, Costa Rica

US Dept of Energy, Commerce and Agriculture

  • US-China Summits, since 2008, multiple cities in the USA and abroad

Vantage Global Event Production GmbH

  • Medical Investigator Meeting, 2015, Prague, Czech Republic


  • Year Beginning Meeting, since 2003, Toronto

WAPP West Africa Power Pool

  • Interviews for the IMU of the North Core Project, 2018, Accra, Ghana

WattNet West African Think Tank

  • H2O Water Forum, 2018, Nouméa, New Caledonia

WattNet West African Think Tank

  • 1st AGA, 2016, Accra, Ghana

Weizmann Institute for Sciences

  • Visits, 2016, Rehovot

World Association of Community Broadcasters (AMARC)

  • Seminar and GA, 2015, Accra, Ghana

World Bank

  • Global Payment Week, 2012, Lisbon
  • Visit of the Director, Health, Nutrition & Population Global Practice, 2017, San José, Costa Rica
  • Best Practices in Cyber Security Capacity Building,2018, Tel Aviv, Israel

World LP Gas Association

  • WLPG Forum, since 2002, UK 2013, Belgium 2012, UAE 2011, Spain 2010, Brazil 2009, South Korea 2008, South Africa 2007, 2014 and 2016 Italy, 2015 Germany, 2017 Portugal and Morocco

Yale Law School

  • US-China Legal Conferences, regular client, Shanghai, Hangzhou

York University, Toronto

  • Int. Research Society for Children's Literature, 2017, Toronto, Canada