Mixed Martial Arts Gym

One Combat Academy

One Combat Academy
  • Name: One Combat Academy
  • Location: Sioux City, Iowa
  • Address: 1600 7th St
  • AKA: Renegade Combat Sports & Fitness
  • Phone: (712) 248-2020
  • Email: info@onecombatacademy.com
  • Founded: 2014
  • Gym Links:


  • Brett Welling
    Head Boxing Coach/ Owner
    Brett Welling
  • Donaco Watts
    Head Wrestling Coach
    Donaco Watts
  • Bruce Hoyer
    Head Jiu Jitsu Coach
    Bruce Hoyer
  • Apollo Swanson
    Asst. Jiu Jitsu Coach
    Apollo Swanson
  • Geoff Owens
    MMA Coach
    Geoff Owens
  • Mark Millard
    MMA/Kickboxing Coach
    Mark Millard
  • Former Staff: Nick Rogers (Gym Manager), Mike Busby (Jiu Jitsu Coach), Blaze Gill (Assistant Wrestling Coach), Charlie Dearborn (Owner)


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