Please rewrite this text to have better consistency
Haunsperger was an assistant professor of mathematics at St. Olaf College from 1991 to 1994. Since 1994, Haunsperger has been a assistant professor in the mathematics department at Carleton College.
Haunsperger was an assistant professor of mathematics at St. Olaf College from 1991 to 1994. Since 1994, she has been a faculty member in the mathematics department at Carleton College.