Olsen worked as a Peace Corps volunteer in
Tunisia from 1966 to 1968. From 1979 to 1981, she served as the Country Director in
Togo before becoming the Regional Director for North Africa, Near East, Asia, and Pacific (NANEAP) from 1981 to 1984. From 1984 until 1989, Olsen served as Vice President of Youth for Understanding, a national student exchange organization. She was the Peace Corps Chief of Staff from 1989 to 1992, the executive director of the International Exchange of Scholars (CIES) from 1992 until 1997, the senior vice president of the Academy for Educational Development from 1997 until 2002, a development consultancy. Olsen served as the Deputy Director of the Peace Corps from 2002 to 2009. She also served for a time as acting country director for
Kazakhstan. After leaving the Peace Corps in 2009, Olsen served as visiting professor at the University of Maryland - Baltimore School of Social Work and Director of the University's Center for Global Education Initiatives. Olsen was nominated to be the director of the Peace Corps on January 3, 2018. She was confirmed by the
United States Senate on March 22, 2018. ==Personal life==