GRAPEVINE MUSTANGS
COLLEYVILLE HERITAGE PANTHERS
INFORMATION
COACHES
GCISD COACHING STAFF HAVE OVER 50 YEARS OF PROFESSIONAL COACHING EXPERIENCE.
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DANIEL JAU
HEAD COACH SWIM/AQUATICS DIRECTOR
daniel.jau@gcisd.net
Bio
Coach Daniel Jau became the 4th Head Coach in GCISD History in 2008. Prior to GCISD, Coach Jau was the Head Coach at Nolan Catholic, Sam Houston High School, Bowie High School, and Juan Seguin High School. Coach Jau was also the Head Age Group and Senior/Pre-Senior Coach at (MARS) Mid-Cities Arlington Swim Team from 2000-2011. Coach Jau lives with his wife Christine, daughters Addison and Parker, and their Finnish Spitz, Murphy.
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COACHING HIGHLIGHTS
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NFHS Southwest Sectional Coach of the Year (2017)
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NFHS State Coach of the Year (2017)
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8 Time Region Coach of the Year
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27 Time District Coach of the Year
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Coach of 4 Top 5 team finishes at State Meet (2 UIL, 2 TAPPS)
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2 State Runner Up Teams (UIL, TAPPS)
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10 Region Championships (9 UIL, 1 TAPPS)
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29 District Championships
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6 All-Americans
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5 All-American Consideration
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Over 60 All-State Athletes
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Over 70 Academic All-Americans
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5 State Champions (2 UIL, 3 TAPPS)
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1 TISCA HS Triathlon State Champion (2011)
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4 Swimmers won the prestigious Theron L. Pickle Memorial Scholarship
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Over 40 alumni competing in college
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GCISD School Swim Records broken 24 times
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Former Zones and North Texas All Stars Coach
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Numerous Sectional Qualifiers
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Numerous TAGS Qualifiers
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TAGS Champion
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TISCA President (2024-current)
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TISCA Vice President (2022-2024)
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TISCA Region 2-5A Rep (2020-22)
STEPHEN BRYANT
ASST. SWIM COACH
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stephen.bryant@gcisd.net
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Bio
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Stephen was part of the GCISD Aquatics staff from 2018-2021 where he taught swim lessons while coaching the Pre-Competition, Bronze, and Silver teams for Mid-Cities Arlington Swimming (MARS) from 2019-2021. He returned to the GCISD Aquatics staff in 2023 as the Evening Supervisor and Junior Varsity coach. Stephen is currently pursuing a bachelor's degree in Biomedical Engineering at the University of North Texas.
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MAUREN PAUL
ASST. SWIM COACH
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mauren.paul@gcisd.net
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Bio
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Mauren Paul joined the GCISD coaching staff in 2022. Mauren is a lifelong swimmer, and she has been coaching swimming, both age group and Masters for 6 years, most recently as an Age Group coach at MARS Swimming. This is her second-year teaching Algebra 1 at Grapevine High School. In her free time, Mauren enjoys calligraphy, listening to music, reading, and hanging out with her 16 year old dachshund, Zoey.
STACY MARINCASIU
DIVING COACH
stacy.marincasiu@gcisd.net
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Bio
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Coach Stacy Marincasiu has been coaching diving at GCISD since 2015.
Coach Marincasiu was an AAU diver growing up and had a diving scholarship to FSU and USC graduating with a Bachelor of Arts in Interdisciplinary Studies prior to earning a Masters in Leadership
and Policy Studies.
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COACHING HIGHLIGHTS
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Girls State Dive Coach of the meet '20 & '21
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6 Time Region Coach of the Year
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14 Time District Coach of the Year
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2 State Diving Champions
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2 All-American Divers
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