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Marcus Marauders Coaching Staff

Jeff Sherman, Varsity Head Coach

Jeff Sherman took over as head baseball coach at Flower Mound Marcus High School in 2013 at the age of 30. Since being at Marcus High School, Coach Sherman’s record is 85-26. In his last three years, the team has advanced to the Regional-Semi Finals (2013) and Regional Finals (2014) and beat the record for most wins in a single season at Marcus (32). He has been ranked in the top 10 in the state and top 25 by Max Prep. In three years, Coach Sherman has helped 11 players reach their Division 1 baseball goals and 25 players have gone on to play baseball at the collegiate level.
In 2014, Coach Sherman was named District 6-6A Coach of the Year. In 2015, Perfect Game named him All-American Head Coach West Team in San Diego.
Prior stops before Marcus High School included Frisco Centennial High School, where Sherman served as the hitting and infielders coach. While there, he coached Austin Schotts, a third-round draft pick short stop. He also coached numerous Division 1 hitters.

Coach Sherman is a native of Flower Mound and a 1999 graduate of Marcus. He attended Paris Junior College where he earned All-Conference honors. After Paris, he played two years at Missouri Baptist University in St. Louis, where he was named All-American in 2002 and 2003. Sherman earned a bachelor’s degree in Kinesiology from Missouri Baptist in 2003.
Coach Sherman teaches Teen Leadership at Marcus. He lives in Flower Mound, with his wife Sarah, their daughter Harper, son Brody, and son Walker. Coach Sherman is an active member at First Baptist Church Lewisville. His passions are his faith in Jesus Christ, family and coaching baseball!

Kevin Williamson, Varsity Assistant/Pitching Coach

Coach Kevin Williamson enters his tenth season with Marcus Baseball. He played collegiate baseball at Arizona State University. He was drafted four times in the Major League Baseball draft, including a first-round selection by the Atlanta Braves. He played four years of professional baseball in the Oakland Athletics and New York Yankees organizations.

Coach Williamson began his coaching career as the pitching coach at the University of New Mexico.

In 2004, he was named The Dallas Morning News’ Area Baseball Coach of the Year. He was a speaker at the 2006 National High School Baseball Coaches Association Convention in St. Louis and at the 2013 New Mexico High School Coaches Convention.

Coach Williamson is a U.S. History teacher at Marcus and he also coaches football. Coach Williamson is married to Susie, and he is glad to be a part of the Marcus Baseball program.

Tyler Pirtle-Assistant Coach

Coach Pirtle is entering his first year at Marcus High School as well as serving on the Marauder Baseball Program.


His previous coaching stints include Krum High School and Oak Ridge High School (Conroe ISD). He began his coaching career at Frank Seale Middle School (Midlothian ISD).


Coach Pirtle was born in Longview, Texas and grew up in Tyler, Texas. He attended Robert E. Lee High School in Tyler, Texas and was a member of the baseball team. Following high school, he continued his baseball career at Tyler Junior College in Tyler, Texas. Coach Pirtle earned his undergraduate degree from Vanderbilt University in Nashville, Tennessee where he served on the support staff for the baseball team.


T.J. DiBiaso – Assistant Coach

This will be Coach DiBiaso’s seventh year at Marcus with previous stops of 1 year at The Colony High School, and three years coaching at Prince of Peace Catholic School in Plano. He will be continuing the role of bench coach for Varsity this year with an emphasis on catchers.  He is dedicated to this team and to continuing the winning culture we have here at Marcus.  

Coach DiBiaso is very passionate about the game of baseball and is excited to be a part of the program this year.  He graduated from the University of North Texas in 2006.  He is currently teaching business classes at Marcus.

Coach DiBiaso is married to Crystal. They have a son, Jacoby (9), and a daughter Addison (6).  He is looking forward to a great 2020 season.  GO PACK!


Tate Baker-Assistant Coach

This is Coach Baker’s 5th year coaching and teaching and first at Marcus. Coach Baker is a home grown Marauder graduating in 2009 from Marcus. During his times at Marcus he received All-District Honors in both football and baseball. Coach Baker was an infielder for the 2009 Regional Final Marcus Baseball team and attended and played college baseball at Sam Houston State University. Coach Baker teaches business and is very excited to be back home at Marcus! 


Josh Fuel, Assistant Coach

Coach Fuel has served the Lewisville ISD for 15 years, and Marcus High School for the past eleven. He coaches baseball and football and works in the Special Education Department.


Coach Fuel is married to his wife Allison and has a 2 year old son Dominic.  The Fuel family has a long history of service with the Lewisville ISD: Allison teaches third grade at Creekside Elementary in Lewisville; Coach Fuel’s father, Eldon, is a retired coach for Flower Mound High School; and his mother, Joyce, teaches at Shadow Ridge Middle School. Coach Fuel has two brothers, Colin and Nick, both who serve in the United States Army, and a sister, Hillary.


Coach Fuel said, “I’m looking forward to the 2018 season and the excitement that it will bring. Go Marcus Baseball!”


Brandon Carder - Freshman Head Coach

Coach Carder is in his fifth year at Marcus, with previous stops of one year at Pilot Point, two years at Baytown Lee and his first nine years at Lake Highlands High School. He teaches business classes, and coaches safeties for Marcus Football in the fall, and then baseball in the spring. He graduated from The University of Central Oklahoma in 1998 where he earned All-American Honors as a four-year letterman for the Bronchos football team. Coach Carder has a daughter Brynli.