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Junior Coaches

Joe Keiper

Under 17s Head Coach

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We’re excited to announce Joe Keiper as our 2026 Under 17’s Head Coach! After leading the B3 team to a Premiership win last season and our U15 Division 1 team to a Premiership in 2024, Joe returns to guide the next group of players as they continue their development through the junior ranks. Why we’re excited to have Joe leading the U17s: 🔥 Playing Experience • Nearly 250 games for GMBC • 9-time Premiership winner 🏆 Coaching Experience • Coached at St Kilda Baseball Club across junior and women’s programs • Development coaching at Research Summer Baseball Club, GMBC Tee-Ball, and Athletics Charter including national competitions • Deep commitment to developing players at all levels Originally from the USA, Joe has been part of the Melbourne baseball community since the early 90s, playing with St Kilda, Melbourne Uni, and now Monty. His passion for the game and dedication to mentoring young athletes continues to make a huge impact across our club. Joe brings energy, experience, and a strong focus on player development, helping our players grow both on and off the field. We’re thrilled to have Joe leading the U17 program in 2026 and look forward to another exciting season ahead.

Jol Duffell

Under 15s Head Coach

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We’re excited to announce Jol Duffell as our U15’s Head Coach for the 2026 season! Jol has been a key part of our U13 coaching team for several years, helping develop young players and build a strong culture within the program. Now he’s ready to step up to the U15’s, and he’s especially excited to continue working with many of the players as they progress through the junior ranks. A familiar face around the club, Jol is also a member of our Senior playing squad, and the Duffell name is well known at Monty with all three of his sons proudly playing at the club. Jol also brings valuable representative experience, having been part of the Diamond Valley coaching staff at the 2024 State Winter Championships. One of Jol’s greatest strengths as a coach is his ability to build a strong rapport with players, creating an environment where they feel supported, confident and encouraged to always be their best. Coaching Experience ⚾ 5 years coaching juniors across T-Ball, Rookie Ball, U12 & U13 📍 Coaching roles with GMBC & Diamond Valley Rep Baseball Playing Career Highlights 🏆 3 Senior Premierships ⭐ Spirit of Monty Award winner With his passion for the game, strong club connection, and commitment to developing young players, we’re excited to see Jol lead our U15’s in 2026.

Dale Gibson

Under 13s Head Coach

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We’re thrilled to welcome Dale “Gibbo” Gibson back as our U13’s Head Coach for the 2026 season. Gibbo continued to focus on strong player development throughout 2025, building great foundations for our young players as they progress through the club. Gibbo brings a wealth of playing and coaching experience, along with a huge passion for developing young players and helping them grow their love for the game. *Playing Career Highlights* ⚾ 400+ games for GMBC – a true club legend 🏆 7 Senior Premierships ⭐ 4× Senior MVP at GMBC *Coaching Experience* 👊 7 seasons of Senior coaching ⚾ 6 years coaching juniors across T-Ball, Rookie Ball, U12 & U13 📍 Coaching roles with GMBC, Fitzroy Baseball Club, Diamond Valley Rep Baseball & Twins Charter 🏆 3 Junior Coaching Premierships Off the diamond, Gibbo also works in education, sharing his passion for sport with students from Year 4 to Year 12. Having grown up playing at the club, Gibbo’s best memories come from his junior days at GMBC - learning from great coaches and playing alongside lifelong friends. We’re excited to have his leadership, knowledge and passion guiding our U13’s in 2026 as they continue to grow and develop in the game.

Assistant Coaches
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TBA

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