1980	SFS Founded on October 23
1981	First Summer Expeditions take place in Galapagos, Belize, Mexico, Iceland, Cayman Islands, Alaska, Montana, Virginia.
1982	First January Expeditions are offered.
1983	SFS is accredited by Northeastern University.
1985	Center for Wildlife Management Studies opens in Kenya
	Center for Marine Resource Studies opens in St. John, USVI
1987	Center for Rainforest Studies opens in Queensland, Australia.
	SFS launches efforts to build college and university membership in its Affiliation Program.
1989	Center for Marine Mammal Studies opens in Hawaii.
	SFS Alumni numbers reach 3,000 and the SFS Alumni Association is formed.
	SFS shifts from primarily ecology-focused programming to a more comprehensive resource management focus.
1990	Center for Marine Resource Studies relocates to Turks & Caicos Islands.
	Center for Marine Mammal Studies moves to La Paz, Mexico where it operates until 1995.
1991	Center for Sustainable Development Studies opens in Costa Rica.
1993	SFS completes the transition to a case-study based curriculum.
1994	Boston University accredits SFS programs.
	SFS begins planning process to ensure that research is problem-centered and client-driven.
1995	First SFS Safety Director is hired.
	Center for Coastal Rainforest & Fisheries Studies opens on Vancouver Island where it operates until 2003.
	SFS moves to a fully center-based operation.
1997	Center for Coastal Studies opens in Mexico.
	SFS develops its first formal website.
	SFS founding president, Jim Elder, retires.
1999	Center for Wildlife Management Studies opens Kilimanjaro Bush Camp in a Maasai community in Southern Kenya.
2001	Center for Wildlife Management Studies expands to Nairobi National Park Camp.
2002	SFS institutes five-year research planning process at each center.
2003	SFS Alumni Numbers exceed 10,000.
2005	SFS celebrates 25 years of environmental education and leadership.
2007	SFS launches a Field Practicum in Public Health and Environment based at our Kilimanjaro Bush Camp.
	Center for Rainforest Studies introduces two new summer courses: Techniques in Rainforest Research and Tropical Rainforest Studies in Australia and New Zealand
2008	SFS president, Paul Houlihan, retires after 11 years of sevice. SFS welcomes Bonnie Clendenning as the new SFS president.
2009	SFS launches new Five Year Research Plans for all of its five centers.