Bachelor, University Turku, Finland, 1986. FT, University Turku, Finland, 1993. Doctor of Philosophy, University Chicago, 1999.
Senior assistant University Turku, 1992. Adjunct assistant professor William Paterson University, Wayne, New Jersey, 1996—1999. Postdoctoral scholar Columbia University, New York City, 1999—2001.
Assistant professor Moravian College, Bethlehem, Pennsylvania, since 2001.
Board directors Finnish School New York, New York City, since 2001. Member of German Studies Association, American History Association, Friends Alexander von Humboldt Stiftung.
Married Joanne Cho, January 3, 1993. 1 child Henrik Lempa-Cho.