Colleen Acosta
- Horse(s): CR Haribo and Posse
- Location: Dallas, TX
- Trainer: Matt Cyphert
- Farm name: Woodhill
- When started riding: As long as she can remember
- Most influential coaches: Matt Cyphert
- Career highlights: Winner of the 2009 Colorado Summer Classic Derby; winner of the 2010 Great Southwest Hunter Derby; making top 25 at Derby Finals last year; winner of the 2009 Colorado Derby with Posse
- What makes a horse a "Derby" horse: CR Haribo is a great jumper and very brave; Posse is very brave and handy
- Favorite thing about the Derby: The courses are always fun
- Advice for future Derby hopefuls: Go for it and enjoy the journey
