Born in
Castaic, California, Hein attended
West Ranch High School in
Santa Clarita where she played for the varsity soccer team for two years. She also played club soccer for the Irvine Strikers and Real SoCal U18. In 2006, she was part of the USYSA national championship-winning team.
University of Michigan Hein attended the
University of Michigan from 2009 to 2013 where she played for the
Wolverines for five years. During her first season with the team, she started in 19 of the games in which she played, scored three goals and served two assists. The following year, she missed the majority of the season due to injury but played in six matches. In 2011, she underwent surgery for
thyroid cancer and missed the majority of the season. She returned in 2012 and started in all 24 matches of the season. As captain of the team playing in the defender position, she scored two goals. She was named to the All Big Ten First Team and NSCAA All-Great Lakes Region Second Team. In 2013, Hein captained the team for the second consecutive year and led a defensive line that set a new school record with only 12 goals conceded. She scored one goal and served one assist while starting all 23 matches in the season. She was subsequently named to the All Big Ten First Team for a second year as well as the NSCAA All-Great Lakes Region First Team. The same year, she was named a Lowe's Senior CLASS Award Finalist. ==Playing career==