Coaching Staff


Justin Walker
Assistant Coach

Justin Walker is entering his first season as a softball assistant coach. He previously was a volunteer assistant coach for the baseball team, a role he had since 2013.

Walker arrived in Fairfax after previous college coaching experience at Bowling Green State University in 2011, and a season working with John Carroll University.

A native of Marengo, Ohio, Walker is a graduate of Rio Grande University in Ohio, where he earned his degree in sports and exercise studies with a minor in coach leadership.

Walker is married and currently resides in Fairfax, Va.


Karla Powell
Assistant Coach

Karla Powell enters her first season at Mason as a softball assistant coach. She previously served as head assistant coach at Florida SouthWestern State College (Fort Myers, Fla.) for three years.

At Florida Southwestern, Powell was in charge of running the offense, outfield and strength and conditioning. She helped increase batting averages from .340 to .401 in three seasons. She coached Florida Southwestern to three-straight Suncoast Conference Championships and three-consecutive berths to the NJCAA National Tournament. Florida Southwestern finished as the No. 1 team in 2018 in the NJCAA under her leadership. In 2017, she was a part of the coaching staff who was named the Southeast Regional Coaching Staff of the Year.

Prior to Florida SouthWestern, Powell was the head assistant coach at St. Johns River State College (Palatka, Fla.) for one year.

At St. Johns, Powell helped the program notch its best record in school history (33-22). The team reached the FCSAA State Tournament for the first time in five years. In charge of offense, she helped the team's batting average increase from .227 to .278 and runs scored from 174 to 260.

From 2013-14, Powell served as a volunteer assistant coach at George Washington University.

A native of Ashburn, Va., Powell enjoyed a decorated playing career at Wisconsin where she was named Third Team All-Big Team (2012) and First Team All-Big Ten (2011).

At Broad Run High School, the former first baseman was named ESPN Second Team All-American, NFCA First Team Southeast Region and Virginia AA First Team All-State in 2008. She finished her high school career with eight individual awards and three team championships.