Meet the Team

App Developer

Gary Trembath is an app developer, fitness enthusiast, and Managing Director of Bia.Training, where he leads the creation of innovative fitness and wellbeing applications. As the creator of Bia.Male and Bia.Female, Gary combines his passion for health, training, and technology to deliver accessible digital tools that empower people to reach their physical and mental performance goals.

With a strong background in the STEM industry, Gary brings technical precision and creative problem-solving into every project. Beyond app development, he has a deep interest in technology trends and how they intersect with lifestyle, training, and human performance.

Outside of work, Gary is driven by adventure. He enjoys travel, racing, and climbing—pushing himself both physically and mentally in challenging environments. His unique blend of fitness, technology, and innovation continues to shape the future of Bia.Training and inspire those who share his passion for strength, endurance, and progress.

Marketing Professional & Athlete

Lindsey Hamer leads Marketing & Design at BIA Training, blending strategic clarity with crisp creative execution. A lifelong fitness enthusiast, she translates audience insight into campaigns, product visuals, and brand moments that drive acquisition, engagement, and retention. Lindsey oversees our visual identity, cross-channel content, partnering closely with product and coaching teams to align UX, in-app assets, social, and email. Data-informed and detail-obsessed, she takes work from concept to measurable impact—crafting experiences that feel premium, consistent, and motivating at every touchpoint.

Physical Education Professional & Endurance Athlete

Liam O’Brien is a committed Physical Education professional with a passion for promoting health, movement, and lifelong fitness. An accomplished marathon runner and cyclist, he embodies the endurance, discipline, and motivation he instills in others. Through his teaching and personal achievements, Liam inspires those around him to push past limits and embrace an active lifestyle.

Personal Trainer & UKBFF Welsh Bikini Champion

Tatum Price is a dedicated Personal Trainer and Level 3 Extended Diploma Sports Massage Therapist, specialising in performance recovery, mobility, and strength development. With additional expertise as a Dry Cupping Therapist, Tatum takes a holistic approach to fitness and rehabilitation, helping clients reach peak condition while reducing injury risk.

Her dedication to training and personal excellence has earned her the title of UKBFF Welsh Bikini Champion, a testament to her discipline, resilience, and passion for health and fitness. Tatum blends competitive experience with advanced knowledge in sports therapy to deliver training that inspires and empowers her clients to achieve lasting results.