Blanchardstown Team.
At FUSE, all of our personal trainers are highly qualified and motivated to work with clients from diverse backgrounds. They hold certifications from leading organisations and have extensive training in anatomy, physiology, and exercise science. Our trainers are dedicated to providing personalised attention and creating tailored workout plans for each client to help them reach their fitness goals.
Dominic Wong-Toi - Manager
Meet Dominic, a dedicated personal trainer with a NASM Certified Personal Training Qualification and a Bachelor's Degree in Exercise Science and Psychology from the University of Auckland.
With a passion for hypertrophy and strength training, Dominic specialises in helping clients build muscle, gain strength, and lose fat. His coaching approach is fun, challenging, and personable, focusing on both physical and mental skills. Dominic's experience includes working with university students and conducting a comprehensive fitness and psychological programme for an elite golfer.
Inspired by his own transformation from being unfit, Dominic is committed to guiding clients of all ages towards a healthier lifestyle.
Sara Aziz
Sara is passionate about helping clients achieve their fitness goals and rediscover their confidence.
With a background in lacrosse and starting her own fitness journey at home with no equipment, Sara understands the challenges of getting started and knows how to create effective workouts for any environment.
She specialises in:
• Weight Loss: Helping clients achieve incredible results, including one client losing nearly 15kg in just 9 weeks.
• Post-Injury Fitness: Supporting clients returning to the gym after an injury.
• Women’s Group Training: Providing a supportive and empowering environment for women to train and grow stronger together.
Sara’s coaching style is supportive and goal-driven, focusing on helping clients overcome challenges both inside and outside the gym. Her ultimate goal? To make you feel happier, healthier, and more confident in yourself.
Renil Rajesh
Meet Renil Rajesh – a dedicated Physiotherapist, Accredited Nutritionist, Certified Personal Trainer, and National Men’s Physique Competitor.
Renil delivers a level of coaching that seamlessly connects rehabilitation, performance, and physique transformation. Holding a BSc in Physiotherapy, advanced nutritional diploma, and competitive experience on the national physique stage, he provides an evidence-based, results-driven approach to the gym floor.
With specialist expertise in movement assessment, injury prevention, fat loss, muscle building, and performance optimisation, Renil helps clients train safely, progress efficiently, and transform their bodies with confidence. His background spans clinical practice, sports environments, and pitch-side roles with football teams both in Ireland and abroad, giving him a deep understanding of how to enhance function, recovery, and long-term health.
Having worked with elite athletes, everyday gym-goers, and busy professionals, Renil combines scientific precision with real-world coaching experience. Whether you’re rebuilding after an injury or striving for your best-ever physique, Renil is committed to guiding you to your full potential with structure, clarity, and measurable results.
Dillon Joshua
Meet Dillon, a certified personal trainer with qualifications from the National Training Centre in Dublin and Trifocus Fitness Academy in South Africa.
Dillon's expertise in strength training, nutrition, and program design is backed by internationally recognised certifications.
With years of experience, he has worked with clients ranging from beginners to advanced fitness enthusiasts, tailoring his approach to individual goals.
Specialising in fat loss, muscle building, and lifestyle transformation, Dillon focuses on structured programs that deliver sustainable results.
His coaching style is supportive, structured, and results-driven, empowering clients to feel strong and confident in their bodies.
Aidan Hutchinson
Meet Aidan, an accomplished personal trainer with ITEC Level 3 Personal Training, ITEC Level 2 Gym Instructor, and QQI Level 6 Sports Nutrition qualifications.
Starting his fitness journey in 2020 at FUSE Finglas, Aidan quickly fell in love with the gym, which inspired him to pursue a career in personal training.
Specialising in fat loss, muscle gain, and mental health, Aidan is passionate about guiding beginners to become confident gym-goers with fortified mindsets.
His goal is to empower clients to achieve their best selves through strategic, empowering, and results-driven coaching.