MEET OUR TEAM
MAX MALEC
Owner, General Manager, and Certified Personal Trainer
Max Malec is the Owner and General Manager of GYMGUYZ Chicago and the North Shore, where he is dedicated to enhancing the well-being of his community by making fitness accessible, engaging, and effective. A lifelong fitness enthusiast and accomplished athlete, Max has participated in a variety of sports, including competing in Big Ten water polo and USA Water Polo programs.
With over 15 years of experience in the fitness industry, Max holds a Certified Personal Trainer (CPT) credential from the National Academy of Sports Medicine (NASM). After successful careers in both athletics and the corporate sector, he founded GYMGUYZ to share his passion for fitness and create an inclusive environment where evidence-based wellness programs empower individuals from all backgrounds to improve their quality of life.
Whether you’re looking to improve your physical health, nutrition, boost your self-confidence, or build mental resilience, Max and his team at GYMGUYZ are committed to helping you reach your goals—no matter your age, fitness level, or experience.
Mackenzie Malec
Owner, Marketing Director, Dance Instructor, and Certified Nutritionist
Mackenzie Malec is a passionate fitness professional and the Co-Owner and Marketing Director of GYMGUYZ Chicago and the North Shore. With over 10 years of experience in the health and fitness industry, she brings a wealth of knowledge and expertise as a marketing director, certified nutritionist, and fitness instructor.
Mackenzie’s journey began with a deep love for movement and wellness, leading her to develop programs that inspire and empower individuals to achieve their fitness goals. Her unique approach combines her background in nutrition with innovative fitness techniques, ensuring a holistic experience for her clients.
In addition to her fitness credentials, Mackenzie has over 12 years of experience in the marketing industry. This dual expertise allows her to effectively promote GYMGUYZ mission of providing convenient, personalized fitness solutions to the community. She is dedicated to creating engaging marketing strategies that foster connection and encourage active participation in healthy living.
Mackenzie’s commitment to community and wellness, coupled with her extensive professional background, positions her as a leader in the fitness industry—helping clients embrace healthier lifestyles every day.
Kasia Tomaszynka
Certified Personal Trainer
Have a goal? Let’s achieve it! With a background as a collegiate cross-country runner, marathoner, competitive bodybuilder, and calisthenics enthusiast, I thrive on stepping outside my comfort zone. My passion is helping others achieve their fitness and health goals so they can become healthier, happier, and more confident.
After teaching a fitness course at Temple University’s Japan Campus, I returned to the States eager to help others integrate fitness into their lifestyles. NASM-certified and health-motivated, I believe that health and wellness are lifelong journeys of self-improvement—and I’m here to motivate you to become your best self!
Kadi Moreno
Certified Personal Trainer
Let’s go, girls! I’m passionate about helping women take control of their health through fitness and nutrition that honor every stage of their hormonal journey. I specialize in holistic programs that combine personalized workout plans, nutrition coaching, and lifestyle strategies—all aligned with your body’s natural rhythms.
My approach is designed to meet the real-life challenges women face, from navigating menstrual cycles to managing the hormonal transitions of perimenopause and menopause.
As a NASM-certified Personal Trainer, Nutrition Coach, Health & Life Coach, and Mat Pilates Instructor, I offer comprehensive, compassionate support to create lasting transformation. Whether you’re a busy professional, a devoted mother, or simply ready to prioritize yourself—I’m here to guide you toward a toned, strong, and confident body that feels as good as it looks.
Ash Brennock
Certified Personal Trainer
No goal is too small. I believe in YOU! As a NASM-certified Personal Trainer with 12 years of experience—and a competitive bodybuilder on the side—I specialize in tailoring my coaching to meet individual needs, believing that anyone can achieve their goals, regardless of age or experience.
My fitness journey began in high school and has grown into a true passion for helping others. I train clients in both home and gym settings, proving that it’s possible to get fit anywhere.
By focusing on personalized plans and regular assessments, I ensure steady progress and long-term success—because I know that no single program works for everyone.
John Lagahit
CERTIFIED PERSONAL TRAINER
“Train to be your best on your worst day.” Alan holds a range of certifications, including:
- National Personal Training Institute (Chicago)
- MMA Conditioning Coach
- Kettlebell Athletics Certified
- SMR & Triggerpoint Therapy Certified
- Animal Flow Certified
With a strong passion for helping individuals reach their peak performance, Alan believes that anyone, no matter their starting point, can achieve their fitness goals. Drawing from his diverse background in personal training and specialized certifications, he customizes his approach to meet the unique needs of each client. Whether it’s boxing, MMA, or running, Alan understands that consistency and dedication are crucial to success—not only in fitness but in life. His training philosophy emphasizes building strength, resilience, and functional movement, ensuring that you’re always ready to tackle whatever challenges come your way.
ALAN ROMERO
CERTIFIED PERSONAL TRAINER
“Hustle will beat talent, when talent doesn’t hustle.” Alan holds a variety of certifications and degrees, including:
- NASM Certified Personal Trainer
- Senior Fitness Specialist
- Neuromuscular Stretching Certified
- Kung Fu Black Belt
Specializing in weight training, calisthenics, and martial arts, Alan is committed to helping individuals of all fitness levels reach their full potential. With a diverse background in both fitness and martial arts, Alan customizes training programs to meet the unique goals and needs of each client. Whether lifting weights or practicing mixed martial arts, Alan believes that hard work and determination always outperform raw talent. His training philosophy focuses on building strength, mobility, and resilience, preparing clients to push through obstacles and achieve lasting success.
Oscar Olvera
CERTIFIED PERSONAL TRAINER
As a personal trainer certified through the National Academy of Sports Medicine (NASM) and with a Bachelor’s degree in Physical Education and Sports Science, I bring a wealth of knowledge that allows me to effectively help my clients reach their fitness goals. With 17 years of professional training experience, I customize my programs to each individual client’s needs and ability. I have a robust background in strength training, cardiovascular health, flexibility, and martial arts, holding the rank of 1st Dan in both Han Mu Do and Taekwondo. My current focus is on empowering beginners through calisthenics and helping them build a solid base for their fitness journey through the principals of science-based programming and martial arts.
Carol Olbur
Group Fitness Instructor
My background in corporate wellness as a Registered Nurse combined with a group fitness Instructor, I have been delivering Wellness programming to optimize team member’s health. Being able to incorporate fitness in my line of work has been extremely rewarding. Watching the progression of health by teaching lifestyle choices and managing disease has been a privilege. My passion for fitness and my love for helping others will always be my focus.
