ABOUT THE TEAM
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Jake Berg
DIRECTOR OF PERFORMANCE
With over 12 years of experience in the fitness industry, Jake Berg has dedicated his career to helping individuals and teams reach their highest potential. A former firefighter and EMT in the military, Jake brings a disciplined, mission-driven approach to every training session—built on a foundation of resilience, teamwork, and purpose.
His experience spans high school strength and conditioning, team training, and private sector small-group coaching, where he’s developed athletes and adults alike through evidence-based, results-driven programming. As a former Director of a private training facility, Jake has led teams of coaches and cultivated training systems designed to deliver measurable performance and long-term development.
Above all, Jake is a proud husband and father of two girls, which fuels his passion for building stronger, healthier lives—both in and out of the gym.
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Elyse Rosania
HEAD PERFORMANCE COACH
With over 15 years of experience in the fitness industry, Elyse brings a passion for education, strength training, and helping others build confidence in their fitness journeys.
Elyse earned her NASM certification in 2011 and has spent years expanding her knowledge through continuing education, earning additional certifications, and learning from experienced sports performance, strength, agility, and yoga coaches. She also holds an ACE certification, a CFSC certification, and a Precision Nutrition certification, allowing her to take a well-rounded approach to both exercise and nutrition.
Having participated in and coached group fitness classes for nearly 20 years, Elyse believes that group training plays an essential role in a person's fitness journey, especially for those just getting started. She is passionate about creating an encouraging environment where individuals of all experience levels can learn, grow, and work toward their goals.
Strength training has become an integral part of Elyse's own fitness journey, and it is something she loves sharing with others. Whether someone is looking to build strength, improve athletic performance, develop healthier habits, or simply feel better in their everyday life, Elyse is excited to help them discover what they are capable of achieving.
Outside the gym, Elyse is a devoted wife and mother of three wonderful children. Her family is her greatest motivation, and she credits their love and support for helping her become the person and coach she is today.
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Max Leininger
PERFORMANCE COACH
Meet Max, a personal trainer passionate about optimizing human performance and helping clients move confidently in their everyday lives. As a kinesiology student with a strong interest in medicine, Max brings a solid scientific foundation—contributing to the redesign of the strength and conditioning course now taught at Penn State Berks. With a background in collegiate soccer and a love for golf, he blends strength and hypertrophy training with functional fitness to support long-term health and independence.
Max is both analytical and motivating, offering personalized guidance and clear instruction to help clients stay consistent and build lasting habits. When he’s not training, you can find him playing soccer, spending time with friends, or enjoying a peaceful round of golf. Max is dedicated to supporting every client with the knowledge and encouragement they need to transform their fitness journey.
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Amanda Herr
PERFORMANCE COACH
Amanda is a former D1 softball player turned personal trainer. A 2018 Warwick High School graduate, she was a four-year varsity starter and earned multiple statewide honors before continuing her career at Saint Joseph’s University. As a four-year D1 starter, she developed a deep understanding of strength development, mobility, and injury prevention, earning recognition on both the Commissioners and SJU Athletic Director’s Honor Rolls.
Today, Amanda channels her athletic experience into helping others get stronger and more confident. She works as a strength and performance coach, specializing in functional strength, athletic conditioning, and long-term training progression. She also coaches at Keystone and serves as the pitching coach for Penn State Harrisburg, integrating strength mechanics into her work with athletes. In addition, she offers private training sessions through Arm Forces at Keystone.
With four years of coaching experience and a passion for supporting personal growth, Amanda is dedicated to guiding clients on their fitness and performance journeys.
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Miranda Baum
PERFORMANCE COACH
Miranda is a personal trainer passionate about functional strength and all things health and wellness. She is certified as a trainer through the American Council on Exercise. Through ACE she gained a deeper understanding of exercise science and gained confidence to meet clients at all stages and levels of their fitness journey. She was heavily involved in training and showing horses for ten years where she learned the importance of integrating both strength, endurance, and mobility training. In addition, Miranda is also a certified Health and Wellness coach through the Institute of Integrative Nutrition with a specialization in gut health. With knowledge and a love for health and wellness she has gained a holistic view of fitness that allows her to support clients as they aim to achieve their goals. As someone who values people and has a strong attention to detail, Miranda is excited to help clients get the most out of their time in the gym.
Outside of the gym Miranda enjoys spending time outdoors going on walks, playing pickleball, or simply relaxing in a hammock. She also gives horseback riding lessons where she is able to pass on her riding knowledge and skills to younger riders who are getting started!