Susan Collins became the founding director of the Center for Family Business at Husson University after 1994.
 Beginning her career as a staff assistant for Senator William Cohen in 1975, she became staff director of the Oversight of Government Management Subcommittee of the Committee on Governmental Affairs (which later became the Committee on Homeland Security and Governmental Affairs) in 1981
In March 2015, Collins was one of seven Senate Republicans not to sign a March 2015 letter to the leadership of the Islamic Republic of Iran attempting to cast doubt on the Obama administration's authority to engage in nuclear-proliferation negotiations with Iran

