Hey There Coach!
Geena Gauthier
Pitching Instructor – Softball Development & Mental Performance
Starting Pitcher, Delta College Softball
Geena Gauthier is a dedicated pitching instructor at Progressive Dynamix, known for her passion, leadership, and commitment to helping young athletes thrive in the circle. As a current starting pitcher for Delta College Softball with 9 years of playing experience, Geena brings competitive insight, technical skill, and a heart for mentorship to every session.
A standout at Pinconning High School, Geena recorded over 700 career strikeouts, including an impressive 309 strikeouts during her senior season. In her first collegiate season, she continued to dominate with 211 strikeouts, showcasing her ability to compete and lead at the next level.
Her exceptional performance has earned her numerous accolades, including:
- 🏆 All-State
- 🏆 All-District
- 🏆 All-Region
- 🏆 All-Conference
- 🏆 MVP
- 🏆 Dream Team Selection
- 🏆 NJCAA Region 12 Regional Tournament MVP
Geena’s instructional approach goes beyond mechanics—she’s committed to developing well-rounded pitchers who understand the physical, mental, and emotional demands of the game.
Her training focuses on:
- 🎯 Pitching fundamentals – accuracy, power, and movement
- 🎯 Mental toughness – staying composed and confident under pressure
- 🎯 Leadership development – building presence, voice, and resilience on the field
Geena provides private and small-group pitching instruction for Progressive Dynamix inside of PD’s Dugout, Saginaw County’s premier indoor sports training facility. Her goal is to empower the next generation of softball pitchers by sharing her knowledge, experience, and love for the game.
Nathan Masar
Hitting, Catching & Pitching Instructor & Mental Performance
Saginaw Valley State University
Nathan Masar is a multi-talented athlete and instructor who brings over 15 years of playing experience and nearly a decade of focused instruction in hitting, catching, and pitching.
Currently competing at Saginaw Valley State University, Nathan combines collegiate-level experience with a strong dedication to developing young athletes.
He is pursuing a degree in Physical Education with a Coaching minor, underscoring his passion for teaching and mentorship. Nathan specializes in refining mechanics, building confidence, and delivering position-specific instruction tailored to each athlete’s individual goals.
His playing background includes summer collegiate experience with the Hastings Sodbusters (Nebraska) and upcoming competition with the Muskegon Clippers. A former multi-sport athlete in hockey and football, Nathan brings a dynamic athletic perspective to his coaching style.
As a proud Mid-Michigan native, Nathan is passionate about giving back to the community that shaped him. His mission is to help the next generation of athletes unlock their full potential—both on and off the field.
Nathan provides private instruction for Progressive Dynamix inside of PD’s Dugout, Saginaw County’s premier indoor sports training facility. With a strong foundation in both performance and coaching, he’s a trusted resource for athletes looking to level up their game.
Izabel “Izy” Lathrom
Infield, Fielding & Mental Performance Instructor
Starting Shortstop, Delta College Softball
Izy Lathrom is a key instructor and mentor at Progressive Dynamix, bringing a powerful combination of high-level playing experience, energetic coaching, and a deep commitment to athlete development. As the starting shortstop for Delta College Softball, Izy leads with both skill and heart—helping young athletes grow in their game and in their confidence.
A four-year varsity standout at Garber High School in Essexville, MI.
Izy’s decorated career includes:
- 🏅 4-Year Varsity Starter
- 🏆 4x County Team Champion
- 🏆 3x District Champion
- 🏆 3x Tri-Valley Champion
- 💥 12 Years of Softball Experience, including 10 travel seasons with the Mid Michigan Bolts
Izy specializes in working with athletes ages 8 to 17, offering instruction in:
- 🥎 Infield Mechanics – including footwork, glove work, and positioning
- 🥎 Throwing Techniques – emphasizing accuracy, strength, and quick release
- 🥎 Fielding Fundamentals – ground balls, pop flies, and efficient movement
- 🧠 Mental Performance – building resilience, confidence, and focus under pressure
- 🥎 Softball IQ – teaching strategy, anticipation, and smart decision-making
As a Mentor Instructor at Progressive Dynamix, Izy goes beyond physical training by supporting athletes through the mental challenges of the game. She creates a positive, encouraging environment where players feel empowered to grow, learn from mistakes, and take pride in their progress.
Izy provides private and small-group instruction through Progressive Dynamix, held at PD’s Dugout—Saginaw County’s premier indoor training facility. Her passion for the game, paired with her ability to connect with young athletes, makes her a powerful role model and coach for players striving to reach their full potential.
Jeff Rosas
Catching Instructor – All Levels
Varsity Softball Head Coach, Saginaw United High School
Jeff Rosas is a highly respected instructor at Progressive Dynamix, specializing in the development of catchers at all levels—from youth athletes to collegiate players. With over a decade of coaching experience and a sharp focus on both physical and mental development, Coach Rosas is a trusted mentor for athletes striving to excel behind the plate.
Coaching Experience & Accomplishments:
- ✅ Over 10 years as a Travel Softball Coach
- ✅ 9 years specializing in catcher development for travel-level athletes
- ✅ 5 years of individualized catcher instruction, providing one-on-one skill-specific training
- ✅ 2 years as a Middle School Softball Coach at Swan Valley School
- ✅ 1 year as Catching Instructor for Swan Valley High School and Middle School programs
- ✅ Currently in his 1st year as Varsity Softball Head Coach at Saginaw United High School
Coach Rosas’s training philosophy combines technical excellence with mental toughness, helping catchers become vocal leaders and strategic thinkers on the field. His approach focuses on refining mechanics, improving game management, and building confidence—all within a supportive and challenging environment.
Whether you're a beginner learning the fundamentals or an advanced catcher preparing for college-level play, Coach Rosas is committed to helping you reach your full potential.
He currently provides private catcher instruction for Progressive Dynamix inside of PD’s Dugout, Saginaw County’s premier indoor sports training facility. With his experience, leadership, and athlete-first mindset, Coach Jeff Rosas is helping shape the next generation of elite catchers.
Alicia Candelaria
Softball Instructor – Hitting, Fielding, Base Running & Mental Performance
Delta College
Alicia Candelaria is a valued instructor at Progressive Dynamix, where she brings her passion, experience, and energy to young softball players ages 8 to 14.
As a current collegiate athlete at Delta College, Alicia combines competitive playing experience with a sincere dedication to athlete development—both physically and mentally.
With over nine years of experience in softball, Alicia offers a well-rounded skill set and a deep understanding of the game. Her coaching philosophy is rooted in individualized instruction, allowing her to adapt her teaching to each athlete’s strengths, needs, and goals.
Alicia creates a supportive and encouraging training environment where athletes are empowered to grow through challenges, develop confidence, and celebrate their achievements. She provides expert instruction in hitting, fielding, and base running, helping athletes become more complete and instinctive players.
As a base running instructor, Alicia emphasizes game awareness, quick decision-making, and efficient movement—skills that are often overlooked but essential for competitive play.
In addition to physical development, Alicia is also committed to the mental performance side of the game. She focuses on building resilience, confidence, and self-belief, ensuring athletes are mentally prepared to perform at their best.
Alicia provides private instruction for Progressive Dynamix inside of PD’s Dugout, Saginaw County’s premier indoor sports training facility. Her leadership, relatability, and athlete-first mindset make her an inspiring role model for young softball players striving to reach their full potential.