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
1985/86	Center for Natural Resource Management Studies holds two summer semesters in Alaska
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
	Center for Island Management Studies operates for two semesters in Palau
	Satellite programs end as SFS moves to a fully center-based operation
1997	Center for Wetlands/Coastal Studies opens in Mexico
	SFS develops its first formal website
1999	Center for Wildlife Management Studies opens a new camp in a Masaai community at Kuku Group Ranch and in 2001 moves to the nearby community of Kimana
2001	Center for Wildlife Management Studies relocates to Nairobi National Park Camp
2002	SFS institutes five-year research planning process at each center
2003	SFS Alumni Numbers exceed 10,000
2004	Fifty colleges and universities are now officially affiliated with SFS
2005	SFS celebrates 25 years of environmental education and leadership