Built to help you win

Adam Lane is the Founder and CEO of Oak Strength and Oak Performance, a leading sports performance training and strength coaching facility serving athletes and adults throughout Loves Park, Rockford, Roscoe, Belvidere, and Northern Illinois. A former elite-level endurance athlete and USA Triathlon Regional Junior Long Course Champion, Adam has spent more than two decades helping athletes and adults improve strength, speed, athletic performance, mobility, and long-term health. Adam's coaching journey began as a teacher and track and field coach, where he quickly discovered that properly designed strength and conditioning programs could dramatically improve athletic performance while reducing injury risk. That passion led him to build a training system focused on developing faster, stronger, and more resilient athletes through progressive strength training, speed development, force production, movement quality, and injury prevention strategies. In 2012, Adam and his wife, Heather, founded Oak Strength with a mission to provide personalized strength training and performance coaching for adults looking to become happier, healthier, and stronger. In 2018, Adam launched Oak Performance to help middle school, high school, and college athletes maximize their athletic potential through science-backed sports performance training. Today, Oak has helped more than 250 athletes continue their athletic careers at the collegiate and professional level. Under Adam's leadership, Oak has become one of the premier destinations for sports performance training, speed development, vertical jump training, strength and conditioning, and individualized fitness coaching in Northern Illinois. His coaching philosophy combines proven training principles, cutting-edge technology, and individualized programming to help every athlete and adult build a stronger, more capable body for sport, health, and life. Adam's passion is simple: help people unlock their potential, develop confidence through strength, and create the physical foundation needed to perform at their best for years to come.

Heather Lane is the Co-Founder of Oak Strength and has been instrumental in building one of Northern Illinois' premier destinations for strength training, fitness coaching, and sports performance development. Alongside her husband, Adam, Heather helped establish Oak with a mission of helping adults and athletes become stronger, healthier, and more confident through personalized coaching and a supportive community. A lifelong athlete, Heather competed at the state level in the high jump during high school and continued pursuing fitness through sprint triathlons, road races, and recreational athletics. Her personal experience as both an athlete and a busy professional has shaped her belief that sustainable fitness, consistent strength training, and healthy lifestyle habits are the foundation for long-term success and well-being. As a wife, mother of two boys, educator, and business owner, Heather understands the challenges of balancing family, career, and personal health. Her passion lies in helping people take the first step toward a healthier lifestyle and creating an environment where members feel welcomed, supported, and empowered to reach their goals. Today, Heather continues to help guide Oak Strength's mission of providing individualized fitness coaching, strength training, and wellness solutions for adults and athletes throughout Loves Park, Rockford, Roscoe, Belvidere, and the surrounding Northern Illinois communities. She believes that strength is about more than physical performance, it's about building the confidence, resilience, and habits that allow people to thrive in every area of life.

Matt Mulvenna serves as OAK's Director of Performance and is one of the driving forces behind the development of athletes and adults throughout Northern Illinois. A graduate of Rockford University with a degree in Physical Education, Matt was a collegiate basketball player whose passion for coaching, athletic development, and human performance has fueled his career for more than a decade. Matt has extensive experience coaching sports performance, strength training, basketball, and individualized fitness programs for athletes and adults of all ages. In addition to his work at OAK, he has coached and trained athletes in the adaptive sports community, including several Paralympic teams, giving him a unique perspective on movement, performance, and helping individuals maximize their potential regardless of circumstance. At OAK, Matt specializes in individualized performance programming, athlete development, team training, and helping clients overcome physical limitations to achieve their goals. He works with everyone from middle school athletes and collegiate competitors to busy professionals looking to improve strength, health, and quality of life. His coaching philosophy centers on meeting each individual where they are, identifying what they need most, and creating a personalized plan that helps them succeed. Known for his ability to challenge, motivate, and connect with people, Matt believes that great coaching goes beyond workouts. His passion is helping athletes and adults build confidence, develop resilience, and discover they are capable of far more than they ever imagined.

Sam Libby is OAK's Performance Manager and plays a key role in helping athletes and adults achieve their goals through individualized coaching, strength training, and sports performance development. A graduate of Indiana University South Bend with a degree in Marketing and Advertising, Sam was a four-year collegiate baseball player whose experience as a student-athlete shaped his passion for hard work, resilience, and long-term athletic development. At OAK, Sam specializes in personalized performance programming, athlete development, speed and strength training, and helping adults become happier, healthier, and stronger. He works with everyone from youth athletes taking their first steps in training to high school and college athletes looking to maximize performance, as well as adults seeking improved health, fitness, and quality of life. His ability to blend attention to detail with genuine care for each individual allows him to create programs that meet people where they are and help them progress safely and effectively. Known for his energy, enthusiasm, and commitment to excellence, Sam believes that successful coaching extends far beyond sets and reps. He focuses on building confidence, developing discipline, and creating habits that lead to lifelong success both inside and outside the gym. Whether he is leading team training sessions, developing individualized programs, or coaching one-on-one, Sam is passionate about helping every athlete and adult unlock their potential and become the strongest version of themselves. Through his leadership and dedication, Sam has become a trusted coach for athletes, parents, and adults throughout the Rockford region who are looking for expert guidance, accountability, and results-driven training.

Katlynn Wirag serves as OAK's Lead Sports Performance Coach and brings a unique combination of elite athletic experience, coaching expertise, and human performance knowledge to every athlete she works with. A former standout volleyball player at Madison College, Katlynn was a 2× NJCAA National Champion, National Player of the Year, First Team All-American Outside Hitter, and National Tournament MVP. Her accomplishments on the court laid the foundation for a career dedicated to helping athletes maximize their potential through strength training, speed development, and long-term athletic development. With more than a decade of coaching and performance experience, Katlynn has worked with athletes and adults in a variety of settings, including strength and conditioning, sports performance training, fitness coaching, and collegiate athletics. Her background includes coaching at Anytime Fitness, serving as Studio Manager at Orangetheory Fitness, working as a Chiropractic Technician, assisting Madison College Volleyball, and coaching both girls and boys club volleyball programs. This diverse experience provides her with a comprehensive understanding of athletic performance, injury prevention, movement quality, recovery, and athlete development. At OAK, Katlynn specializes in helping middle school, high school, and college athletes become faster, stronger, more explosive, and more resilient. She plays a key role in developing individualized training programs that improve speed, jumping ability, force production, coordination, and overall athleticism while reducing injury risk. Her coaching philosophy focuses on building strong movement foundations and helping athletes develop the confidence and work ethic needed to succeed both on and off the field of play. Katlynn continues to compete at a high level herself, playing semi-professional volleyball and competing in elite-level tournaments throughout the Midwest. Her passion for coaching, attention to detail, and commitment to helping athletes reach their full potential make her an invaluable part of the OAK team and a trusted resource for athletes and families throughout Northern Illinois and Southern Wisconsin.

Katie Popanz is a Performance Coach at OAK and is passionate about helping athletes develop the strength, speed, confidence, and resilience needed to succeed in sports and life. A lifelong athlete, Katie competed in state-level sprinting and jumping events during high school before continuing her track and field career at the collegiate level at the University of Wisconsin, Whitewater, where she specialized in the sprints. Katie's coaching journey began as an intern with OAK Performance, where her enthusiasm for sports performance training, athlete development, and strength and conditioning quickly became evident. Through her dedication to learning and her ability to connect with athletes, she grew into a key member of the coaching staff and now plays an important role in developing youth, high school, and collegiate athletes throughout the region. At OAK, Katie helps athletes improve speed, strength, power, movement quality, and overall athletic performance through individualized programming and hands-on coaching. She has a unique ability to balance encouragement, accountability, and technical instruction, creating an environment where athletes feel supported while continually being challenged to improve. Her coaching style emphasizes proper movement mechanics, confidence building, and long-term athletic development to help athletes perform at their highest level while reducing injury risk. Katie's passion for sports performance extends far beyond the gym floor. She is committed to helping every athlete discover their potential, build self-confidence, and develop the habits necessary for success both in competition and in everyday life. Her energy, positivity, and genuine investment in the success of each athlete make her a valued member of the OAK coaching team.

Kyle is a Performance Coach at OAK who is passionate about helping athletes and adults become happier, healthier, and stronger through individualized coaching and evidence-based training. A lifelong athlete, Kyle grew up competing in basketball and football, developing a strong appreciation for discipline, teamwork, and athletic performance. Today, he continues to fuel his competitive spirit through beach volleyball and an active lifestyle centered around health and fitness. Kyle's passion for coaching was shaped by his own journey through multiple injuries. Determined to better understand how the body moves, performs, and recovers, he immersed himself in strength training, injury prevention, and human performance. His commitment to continuous learning has led him to earn several industry certifications, including NASM Certified Personal Trainer (CPT), ATG Coach, NCI Certified Nutrition Coach, and CPR/AED certification. This diverse background allows him to help clients not only improve performance but also build long-term durability and confidence. At OAK, Kyle works with both athletes and adults, focusing on strength development, movement quality, injury resilience, and overall health. His coaching philosophy centers on meeting individuals where they are, identifying their unique needs, and creating a personalized path toward success. Whether helping an athlete improve performance or guiding an adult toward better health, Kyle is known for his attention to detail, positive energy, and commitment to helping others achieve meaningful results. Kyle believes that fitness should enhance every aspect of life, and his mission is to help every client build the strength, confidence, and habits needed to thrive both inside and outside the gym.