Peter O Halloran
nutritionist, Personal Trainer, and business owner in Clonmel, County Tipperary, Ireland
Peter O’Halloran
Born: April 1986, Galway, Ireland
Height: 190 cm (6'3")
Nationality: Irish
Occupation: CEO of PPT Fitness and Nutrition | Serving Soldier in the Irish Defence Forces (NCO, Sniper Instructor)
Peter O’Halloran is a multi-disciplinary professional with expertise in AI development, cybersecurity, penetration testing, fitness, nutrition, and military training.
With 19+ years in the Irish Defence Forces, he holds the rank of Non-Commissioned Officer (NCO) and has served as a Sniper Instructor since 2015. His experience in overseas deployments and specialised operations has strengthened his leadership, adaptability, and strategic thinking.
Beyond his military career, Peter is the CEO and founder of PPT Fitness and Nutrition, a leading platform for personalised coaching. Since 2017, he has helped thousands of clients achieve transformative fitness and health results, earning multiple industry awards for his expertise and social media influence.
Peter also has strong credentials in AI development, cybersecurity, and penetration testing. He has built and trained AI models for businesses, optimised AI fine-tuning, and worked on blockchain security solutions, with projects audited by CertiK and ranked in the top 10% for security. His technical skills include Kali Linux, Solidity, Python, JavaScript, HTML, and CSS, with expertise in cybersecurity, ethical hacking, blockchain, and AI-driven solutions.
He has been featured in media outlets, podcasts, and industry events, sharing his knowledge on fitness, nutrition, cybersecurity, AI, and defence strategies.
Qualifications
- BSc (Hons) Food Science & Health (University of Limerick)
- Diploma in Sports and Exercise Nutrition
- Diploma in Advanced Sports Nutrition
- Diploma in Child Nutrition
- Qualified Personal Trainer
- QQI Level 5 & Level 6 in Human Psychology
- QQI Level 5 in Child Psychology
- Diploma in Cybersecurity and Penetration Testing (DCU)
- Extensive Military Training
Awards
- Irish Fitness Industry Awards (2018): Best Fitness Nutritionist/Dietitian
- Irish Social Media Awards (2018): Best Use of Social Media by a Personal Trainer
- Irish Fitness Industry Awards (2019): Best in Fitness Nutrition
- Irish Social Media Awards (2019): Best Use of Social Media by a Personal Trainer
- Irish Beauty Blog Awards (2019): Best Fitness Influencer