Castleknock Hotel
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Meet The Team

Tonic Health Club


We have a fantastic team here at Tonic Health Club and we want to share with you a little bit about each and every member of our team at Tonic. 



Alex, Tonic Health Club Assistant Manager

Alex loves getting to know members and guests and has a warm and welcoming personality. He is always willing to help his colleagues and take on roles to challenge himself. Alex is an important asset to the club. He is always excited to learn more!


This is Alex’s Fifth Year in the Fitness/ Leisure industry and is now Tonic Health Club Manager.


• Personal Trainer 


• Gym instructor 


• Group Exercise & Fitness Instructor


• Lifeguard 


• First Aider 


• Child Protection and Safeguarding 


• Cara Sport Inclusion & Disability Awareness Certification  


Alex teaches aqua aerobics, cycle class, bootcamp, HIIT, body burn, body sculpt and TRX.  


Jack, Tonic Health Club Assistant Manager

Meet Jack! He is an extremely hard worker and brings a lot to the club. Jack is looking forward to seeing you in his classes and helping you along with your fitness journey with any questions you may have. This is Jack's 3rd year in the leisure/fitness industry.


• Personal Training 


• Group Exercise & Fitness Instructor 


• Cara Sport Inclusion & Disability Awareness Certification 


• Child protection Safeguarding


• Rugby Strength and Conditioning Coach


• REPS Ireland


Classes: Cycle Class, Bootcamp, HIIT, Body Burn, Body Sculpt, TRX & Swimming (for all levels)