Coach McMillen is beginning her fourth year at MNU after playing a stellar career at NCAA DII Fort Hays State University in Hays, KS. She was part of teams at FHSU that qualified for the confence tournament 3 years, including the first ever MIAA tournament berth. Hallie was the 1st player in FHSU history to garner All-Conference honors all 4 years (2006-2009). She also gathered other awards: including 2007 Daktronics 2nd Team All-North Central Region, 2009 South Shootout All-tournament team, and was DII Nationally ranked #9 in toughest to strikeout in 2008. To this day she still holds the career school records in games played (222) , at bats (703), hits (246), doubles (49), RBIs (115), and total bases (334).

For MNU she will work with the outfielders and catchers and be the primary conditioning coach. Hallie has her undergraduate degree in Psychology with a minor in Sociology, receiving a Cum Laude honor. She recently completed her Master's in Clinical Mental Health Counseling and will be pursuing post Master's certificates in Play Therapy and Sexual Addictions. She is a native of Topeka, Kansas.