Sienna is a dynamic and competitive 2027 outside hitter who thrives in fast-paced systems. She plays with great tempo and is comfortable attacking a variety of sets, showing versatility along the pin. Her ability to see the court and make in-air adjustments allows her to score efficiently without relying solely on power. However she does bring a lot of power to the table and can terminate a ton of balls or tool a ton of blocks based on her powerful arm swing.

In the back row, she brings stability and range, showing the ability to defend and immediately transition into offense. Her motor and consistency stand out, making her a reliable option in all rotations. She is someone that coaches can count on to get the job done and rarely has an off day or bed set. The definition of consistency and not wanting to come off the court.

Her ability to produce against strong in-state competition speaks to her readiness for the next level. She has the tools and mentality to develop into a go-to outside at a top Division I school and is for sure someone to get out and see this season.

Sienna Cathey Sienna Cathey 6'0" | OH/RS Gilbert Christian | 2027 State AZ is the definition of a game-changer and a true cornerstone player for both Gilbert Christian and AZ Sky 17 Gold. Her court awareness sets her apart immediately — she reads the game at a high level, anticipates plays before they develop, and consistently puts herself in position to make momentum-shifting touches.

Offensively, she brings an aggressive, confident attack that her team leans on when points matter most. Whether it’s a high ball in crunch time or a fast tempo swing in transition, Sienna delivers with authority and isn’t afraid to take over in big moments. She scores in bunches and applies constant pressure on opposing defenses.

Against some of the toughest competition in the Open division, her steady presence and ability to perform under pressure have been a major reason AZ Sky continues to hold its spot as a frontrunner. Simply put, when the match gets tight, Sienna is the player you want the ball in the hands of.

Sienna Cathey Sienna Cathey 6'0" | OH/RS Gilbert Christian | 2027 State AZ and her team had a standout weekend, taking on high-level competition and rising to the challenge. Facing off against powerhouse programs like Chaparral, Perry, and Notre Dame, Sienna led the charge and helped secure some impressive wins — showcasing both her talent and leadership on the court. What makes Sienna so fun to watch is her fearless mentality. No matter who’s across the net, she refuses to be intimidated. She runs a fast-paced, quick-tempo offense with confidence, and her explosive vertical allows her to play above the block and finish points with authority.

There’s no doubt that Sienna is already making her mark at Gilbert Christian — and her career is only just beginning. We’re excited to see all that she’ll accomplish in the seasons ahead.