Coach Duke
Anthony “Coach Duke” Duke
Co-Owner · Coach · Trainer · Promoter · DJ
35+ years in the sport. Coached the UT Women’s Indoor club to a Gold National Title (2000) and Silver (2014). AVP Pro Coach, 2018–2020.
Indoor & outdoor volleyball · Austin, TX
Digaball The volleyball company.
The development and marketing of volleyball — indoor and outdoor. Thirty-five years on the sand and in the gym, led by Coach Duke.
The people
Built by players.
Coach Duke
Jayna Duke
Jayna Duke
Co-Owner · Trainer
Top-50 US sand player (2009–2017), career-high national ranking of #35 in 2016. Competed on every major tour — AVP, NVL, Wide Open, and US Nationals.
Mission
Our mission is to train athletes to be the best at our sport, and to promote the sport so that our athletes have a future sport to play.
The sport
Three turns in the game.
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Early ’90s
The boom
Volleyball surges — packed gyms, packed beaches, a generation falls for the sport.
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2000
The collapse
The pro and grassroots momentum stalls. The sport contracts and loses its footing.
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2015
The comeback
Volleyball returns as the fastest-growing sport in collegiate history.
Four ventures · one company
What we build.
Now accepting clients · 2026
Digaball Sand Training · Austin
Train on the sand.
This is where Digaball lives. Private and group coaching for indoor and outdoor athletes who want to get measurably better — serving, passing, defense, and reading the court.
App · Reaction Trainer
Reaction Trainer
A phone app that trains volleyball reaction time and hand-eye coordination — anywhere, between sessions.
Coming soon — iOS & Android
Software · Club-owned · Beta
vballmanager
Courts, leagues, tournaments, training, and members on one system — live scoring and Stripe Connect payouts. Your organization, your data — not ours.
Visit vballmanager.comMusic · Coach Duke AI
Coach Duke AI Music
Coach Duke’s DJ project — AI-generated sand-volleyball music made to move the court.
Listen on SpotifyOn the calendar
Upcoming tournaments.
Apr 23–27
Hawaii Dino Tournament
Aug 26–Sep 2
Aspen Motherlode Tournament
Train with us
Tell us about your game.
Share where you play and what you want to fix — serving, passing, defense, the read. We’ll match you with a training plan and get you on the sand for 2026.
Start a training inquiry