Bob Guerriero joined St. John’s in August of 2012 as an assistant coach for the softball team and is in charge of the outfield and hitting, while assisting in recruiting and administrative tasks. Prior to St. John’s, he served in the same capacity at Seton Hall University.
In only his third season with the Red Storm, Guerriero led St. John’s to a historic season that included the program’s first ever BIG EAST Championship title and its first trip to the NCAA Tournament. Because of those achievements, along with his development of the St. John’s offense during his three-year tenure, Guerriero was promoted to Associate Head Coach in the summer of 2015.
After helping guide the Johnnies to their second BIG EAST Regular Season Championship in 2017, Guerriero along with Head Coach Amy Kvilhaug and Assistant Coach Alyssa Tiumalu were named the BIG EAST Coaching Staff of the Year. The Johnnies set program-records with 17 BIG EAST wins and a .667 winning percentage on its way to reaching its fourth-straight BIG EAST title game. In addition, St. John’s matched the 1990 squad for most wins with 32 and set new single-season marks with 277 runs scored and 251 RBIs, while garnering a league-best seven players on the All-BIG EAST First and Second Team’s.
Guerriero helped direct the Red Storm to a 29-20 overall record in 2016 en route to a program record third-straight BIG EAST Championship game appearance after shutting out Villanova, 10-0, in the semifinals. That season, the Johnnies coached a pair of position players to all-BIG EAST honors in Savannah Warren (First Team) and Brittany Garcia (Second Team), while Warren also garnered a spot on the NFCA Division I All-Great Lakes Region Third Team.
Alyssa Tiumalu joined the staff in 2017 to work primarily with the infield and catchers. Tiumalu was a four-year letter winner for the UCLA Bruins from 2011-2014.
In her first season with the Johnnies, Tiumalu helped the program reach new heights with its second BIG EAST Regular Season Championship en route to setting school-records with 17 BIG EAST wins and a .667 winning percentage. In addition to reaching the BIG EAST title game, the Johnnies matched the 1990 squad for most wins with 32 and garnered a league-best seven players on the All-BIG EAST First and Second Team’s. The 2017 squad also set new single-season marks with 277 runs scored and 251 RBIs. Because of the Red Storm’s historic success in 2017, Tiumalu and the rest of the St. John’s staff were named the BIG EAST Coaching Staff of the Year for only the second-time in program history.
After graduating with a Bachelor of Arts degree in 2014 following four seasons with the Bruins, Tiumalu served as an assistant at Canyon View High School during the 2015 spring season before joining Southern Utah University. As a volunteer assistant with the Thunderbirds, she worked mostly with the pitchers and catchers to improve pitch-call effectiveness.
The Elk Grove, Calif., native is no stranger to winning as she appeared in an NCAA Tournament each of her four years at UCLA, including a Super Regional appearance during a senior season where she started 52 games and recorded six home runs and 24 RBIs.
As a player, Tiumalu was named to the All-PAC-10 Freshman Team in 2011 after finishing fourth on the squad with nine home runs and a .556 slugging percentage to go with a .302 batting average and an impressive .993 fielding percentage.
Tiumalu started 151 games during her four-year career, serving several roles for the Bruins that include stints at catcher, outfield, designated player, first base, third base and right field. Overall, she hit 18 dingers, scored 49 times and drove in 64 runs.