Pure Results Team

About Us

Kathryn Thomas

Company Founder

Kathryn is the television presenter of the very successful Operation Transformation, The Voice and Irelands Fittest Family on RTE. Her passion for adventure and being in the outdoors was clear when she spent 10 years on our screens, traveling the world with “No Frontiers.” She has completed many challenges including climbing Kilimanjaro and the Himalayas, the Ironman, half-marathons and trekking in the jungles of Papua New Guinea. Kathryn believes everyone at some stage in their life, should accomplish something that pushes them outside their comfort zone. She set up Pure Results so that others could feel the benefits of a health and fitness kickstart as she has done. Having attended many residential camps worldwide she has been witness to the health benefits, that clients come away with- not just physically but mentally and emotionally.

Niall O'Callaghan

Camp Manager & Trainer

Niall is a true Pure Results pillar. As well as being a Fitness Instructor and Strength & Conditioning Coach, Niall is also a Professional Life Coach. He’s the man to get you fit, healthy and happy. He’s an experienced marathon runner, adventure racer and triathlete. Specializing in fitness instruction and mindset coaching, he’s the focused motivator helping our clients strive towards their goals while gaining confidence. Taking care of mind as well as body, he believes in a structured, strategic and organized approach to Health, Fitness & Wellbeing. He believes there’s great potential in every individual to achieve whatever it is they set their hearts on. And with his help, our guests smash their goals and have fun along the way.

Robyn Fitzsimons

Pure Results Head Trainer

Robyn is a personal trainer, qualified yoga practitioner and group fitness instructor. A holistic style of training is commonplace with her as she believes that a healthy mind brings a healthy body. With over 6 years’ experience in fitness training and clients from all over Ireland. Robyn believes personal training is a great tool to help you reach your fitness goals. Robyn strives to bring a complete circle of health to her clients lives by Creating a healthier body but most importantly a healthier mind set. She aims to help clients achieve a balanced lifestyle that encompasses all dimensions of health & wellness. Robyn creates a training environment that not only motivates but also empowers individuals to continually challenge themselves in a fun and rewarding way.

Mark Molumby

Personal Trainer / Fitness Instructor

Mark Molumby has been in the fitness industry since 2008. He is a qualified personal trainer, gym instructor, and group fitness instructor. While he specialises in group fitness and fitness camp training, he is also a qualified Fit Kid’s Instructor, Older Adults Trainer, Spin Cycle Instructor, Thump Advanced Boxing and Kickboxing Instructor, Master Trainer and more. He has written fitness programmes for clients and also for a philosophy website plus a health and fitness blog. Mark has a keen interest in understanding why people do what they do. He has an interest in philosophy, psychology, sociology, neurology, and lots of other “ology’s. Mark’s fitness philosophy is that “Mindset is Everything”. Mark brings enthusiasm, humour and encouragement to his classes so that his clients laugh their way to a healthier and fitter self.

James Brennan

Personal Trainer/ Fitness Instructor

James is the latest trainer to join the Pure Results team. He is highly qualified in everything sports related and now specialises in HIIT training and strength and conditioning training. He has vast experience in many different sports including football and soccer having reached country level in both at different age groups. In 2015 he successfully completed his UEFA Youth License which allows him to coach at a professional level. In 2015 he began competing in bodybuilding and participating in both RIBBF and NABBA National championships. James enjoys the challenge of working with large groups and believes that being a trainer is extremely rewarding!

Jennifer O'Callaghan

Nutritional Therapist, Health & Wellness Coach

Jennifer is the very lady to help you see food and diet differently. She’s a qualified Nutritional Therapist and a member of the Institute of NTOI (Nutritional Therapists of Ireland). Combining her experience in both science and health, she’s the total wellbeing package. Jen is all about the benefits. Nutrition is more than calories and diets; it’s vitality and happiness. Jen has worked at the boot camp for the last 4 years, by helping Bootcampers embrace a holistic approach to nutrition and wellbeing, she teaches all guests how to stay healthy and happy. Running her own business, Everyday NFW in Ballincollig, Jen consults with clients on weight loss, sports performance, digestion, fertility, stress and other health challenges. She reckons better choices come from education, so she passionately spreads the word on all things nutrition and wellbeing. Thanks to her super saviness, infectious passion and hands-on approach, she’s helped companies, schools, community groups and bootcamp guests shed weight, stay fit and embrace a balanced, happy lifestyle. Her passion for Nutrition and Wellbeing ensures her continuous educational and professional development in this ever changing and growing field. She is a member of the Institute of Functional Medicine (IFM) and has completed a foundation of learning with the IFM.

Paul Byrne


Paul is the director/owner of BodyByrne and the President of NABBA Ireland (National Amateur Body Building Association) and President of the World Fitness Federation Ireland. He has trained everyone from Olympic athletes to beginners to get them in their best physical shape.  Paul is one of Ireland most experienced personal trainers who still has a passion for fitness. He has been a personal trainer for over 27 years and always delivers amazing results!

Linda Thomas

Director of Business Development

Linda has joined the Pure Results team as Director of New Business Development. With over 10 years of marketing and business experience, Linda is in charge of the overall business strategy, developing new relationships and looking at growing the Pure Results brand and partnerships both in Ireland and overseas. Prior to joining Pure Results, Linda spent 5 years working at Google, 3 of which was in the US where she worked on the digital strategy and brand deals for some of the worlds leading accounts.  Passionate about business, the start-up world and trends in the fitness & wellness industry, Linda brings a new approach to Pure Results. Also a fitness fanatic like sister Kathryn, Linda loves running, yoga, hiking, spinning and generally being in the great outdoors. With an addiction to travel and having spent the past 3 years living in LA the fitness and wellness mecca of the world, Linda helps bring these insights to Pure Results and help put us on the map.