Maggy Waech is in her third season as head coach of the Wisconsin Lutheran College women's soccer team. She was named the sixth head coach in the program's 27-year history in November 2019. 

In two seasons at the helm of the Warriors, Waech has mentored four players who have received NACC postseason recognition. 

Waech, who previously served for a total of four seasons – two as a graduate assistant and two as a part-time assistant – on WLC's coaching staff, spent the 2018 season as the development coach at NCAA Division II Barton College (N.C.). She helped lead the Bulldogs to a 10-6-2 overall record and a 5-5-1 conference record, which included a first-round win in the conference tournament.

Waech's coaching experience also includes serving as Washington County FC U-10 boys' head coach in 2014 and the WCFC U-10 girls' head coach in 2015. She was also an assistant girls' varsity soccer coach at West Bend East High School in 2016, when the Suns claimed the Wisconsin Little Ten Conference championship. Waech was the head girls' junior varsity coach at Wauwatosa East High School in 2017. She also assisted with the Raiders' run to the WIAA Division 2 State Girls Soccer championship game.

Waech played striker for one season (2012) at Cardinal Stritch University, appearing in 10 games and scoring two goals as a freshman for the Wolves. After a career-ending injury her freshman year, she transferred to Concordia University Wisconsin where she graduated in 2016 with a degree in exercise physiology. Waech lettered in basketball and soccer at West Bend West High School, where she graduated in 2012.

Waech, who earned a Master of Arts in leadership and innovation from WLC in May 2018, resides in Wauwatosa with her husband, Brad, and daughter, Mia.