- 2015 (November) Morocco:
- Lecturer, Smithsonian Journeys Educational Tour, Splendors of Morocco.
- 2015 (February) Morocco:
- Lecturer, Smithsonian Journeys Educational Tour, Splendors of Morocco.
- 2014 (April, May) South Africa, Namibia, Angola, Republic of Congo, Sâo Tomé & Principe, Benin, Togo, Ghana, Sierra Leone, Gambia, Senegal, Western Sahara, Morocco:
- Lecturer, G Adventures tour, Cape Town to Agadir.
- 2013 (April) South Africa, Namibia, Angola, Republic of Congo, Sâo Tomé & Principe, Benin, Togo, Ghana, Sierra Leone, Gambia, Senegal:
- Lecturer, G Adventures tour, Cape Town to Dakar.
- 2012 (April) Cameroon, Sâo Tomé & Principe, Benin, Togo, Ghana, Ivory Coast, Sierra Leone, Gambia, Senegal:
- Lecturer, Zegrahm & Eco Expeditions tour Tracing the West Coast of Africa.
- 2012 (March-April) South Africa & Namibia:
- Lecturer, Zegrahm & Eco Expeditions tour South Africa & Namibia by Sea.
- 2012 (March) Tanzania, Mozambique, South Africa:
- Lecturer, Zegrahm & Eco Expeditions tour Mozambique Odyssey with Tanzania and South Africa.
- 2011 (October) Mali, Burkina Faso, Ghana:
- Lecturer, Zegrahm & Eco Expeditions tour Mali, Burkina Faso, & Ghana with Timbuktu.
- 2011 (March-April) South Africa, Namibia, Angola, Sâo Tomé & Principe, Benin, Togo, Ghana, Sierra Leone, Gambia, Senegal:
- Lecturer, Silversea Cruises tour, Cape Town, South Africa to Dakar, Senegal.
| - 2009 (April-May) Namibia, Angola, Gabon, Sâo Tomé & Principe, Benin, Ghana, Sierra Leone, Senegal, Mauritania, Western Sahara, Morocco:
- Lecturer, From the Cape of Good Hope to Gibraltar.
- 2009 (March) South Africa:
- Lecturer, South Africa by Sea.
- 2009 (February) Mali, Senegal, Gambia:
- Lecturer, The Road to Timbuktu and the Rivers of West Africa.
- 2008 (October-November) Morocco:
- Study Leader, Smithsonian Institute Educational Tour, Moroccan Discovery: From the Imperial Cities to the Sahara.
- 2008 (February-March) Morocco:
- Study Leader, Smithsonian Institute Educational Tour, Moroccan Discovery: From the Imperial Cities to the Sahara.
- 2008 (January) Mali, Senegal, Gambia:
- Study Leader, Smithsonian Institute Educational Tour, The Road to Timbuktu and the Rivers of West Africa.
- 2008 (January) Mali and Guinea:
- Discovery Channel Television Production, filming in Timbuktu and the Bouré goldfields for The Lost Gold of Timbuktu.
- 2007 (November) Mali:
- Oregon Public Broadcasting Television Production, filming in Dogon Country, Djenne, Timbuktu, and the Sahara Desert for Travels to the Edge with Art Wolfe.
- 2007 (March) Mali, Senegal, Gambia:
- Study Leader, Smithsonian Institute Educational Tour, The Road to Timbuktu and the Rivers of West Africa.
- 2006 (January) Mali, Senegal, Gambia:
- Study Leader, Smithsonian Institute Educational Tour, The Road to Timbuktu and the Rivers of West Africa.
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