Michal Sieroslawski is a Polish-born digital Entrepreneur, exercise physiologist, and personal trainer. He began his personal training career in 2012 and holds a degree in Sports and Exercise Science from the University of Central Lancashire. He served as an exercise physiologist within the National Health Service and later held the position of fitness director and exercise physiologist at Canyon Ranch. Michal Sieroslawski worked aboard the Carnival Valor, Carnival Elation, Oceania Insignia, Oceania Riviera, Celebrity Summit, and Celebrity Eclipse, and he trained clients as a personal trainer at Virgin Active. He hosts the Walk a Mile podcast.
On Millennial Hawk, Michal Sieroslawski writes about fitness trends, gym equipment, and celebrity workouts. He makes complex exercise science topics understandable and engaging. His articles break down biomechanics, muscle growth, and the body’s energy systems for readers of every fitness level. His reviews cover Peloton, Tonal, gyms, supplements, and peptides.
Michal Sieroslawski Has Been a Personal Trainer Since 2012
The personal training career of Michal Sieroslawski began in 2012, the same year the UK hosted the third Olympic Games. He trained clients at Virgin Active in Glasgow, where he also earned his first nutrition certification. Michal Sieroslawski built personalized workout plans, ran fitness assessments, and coached clients one to one. He has more than ten years of experience as a personal trainer. Today he still trains a handful of clients in his free time.
Michal Sieroslawski Was an Exercise Physiologist in the NHS (2012-2013)
Michal Sieroslawski studied biomechanics, anatomy, and exercise physiology at the University of Central Lancashire. His degree led to a role as an exercise physiologist within the National Health Service (NHS). The NHS is the publicly funded healthcare system of the United Kingdom. Its exercise physiologists prescribe and oversee exercise for patients in rehabilitation or managing chronic conditions. Michal Sieroslawski built exercise plans around each patient’s needs to support their recovery.
Michal Sieroslawski Was a Fitness Director for Steiner Leisure (2013-2016)
Steiner Leisure, now OneSpaWorld, runs spa and wellness services on cruise ships and at luxury resorts worldwide. Michal Sieroslawski worked as a fitness director for Steiner Leisure of Coral Gables, Florida. He created personalized workout plans and ran fitness assessments for a diverse clientele. Michal Sieroslawski led one-to-one training sessions and advised guests on exercise and wellness. His clients came from more than 70 countries, each with their own health and fitness goals.
Michal Sieroslawski Was a Fitness Director and Exercise Physiologist at Canyon Ranch (2016-2020)
Canyon Ranch is a luxury wellness brand known for its health and fitness programs. Canyon Ranch Spas at Sea began as an extension of the Canyon Ranch resort in Tucson, Arizona. As fitness director, Michal Sieroslawski oversaw the fitness offerings on board. He designed exercise programs, managed fitness staff, and kept the guest experience to a high standard. He also brought new fitness trends and fresh approaches to wellness into the program. His eight years at sea ended in 2020, when COVID stopped the ships.
Michal Sieroslawski Is Known as “Millennial Mike”
Michal Sieroslawski’s clients aboard cruise ships were mostly seniors. They were impressed by his knowledge of the human body and his habit of reading scientific research. Because he was a millennial himself, they nicknamed him “Millennial Mike.” The name was a nod to his expertise and his enthusiasm for exercise science.
Michal Sieroslawski Has Been a Precision Nutrition Certified Coach Since 2015
Michal Sieroslawski completed Precision Nutrition Level 1 in 2015 while training clients at Virgin Active. He began the Level 2 Master Health Coaching program in October 2019 aboard Celebrity Eclipse. In 2020, he studied Precision Nutrition’s Definitive Guide to Intermittent Fasting. Michal Sieroslawski coaches busy clients who often feel weak, stressed, and frustrated. He guides them beyond meal plans toward better moods, healthier emotions, and stronger self-regulation.
Michal Sieroslawski Has Reviewed Supplements, Gyms, and Fitness Equipment Since 2021
Michal Sieroslawski’s most passionate interests are sports, biomechanics, supplements, and wellness. He reviews protein, collagen, peptides, gyms, and home fitness equipment like Peloton and Tonal. He reads every label, checks third-party testing data, and compares the price with what the product delivers. His background in exercise science helps him separate real results from marketing claims.
Michal Sieroslawski Wrote The Secrets To A Flatter Stomach (2023)
Michal Sieroslawski published the course “Secrets to a Flatter Stomach” on Udemy in June 2020. His book, “The Secrets To A Flatter Stomach,” followed on Amazon in November 2023. Both teach nutrition and weight loss through the Precision Nutrition principles he used with real clients.
Michal Sieroslawski Has Hosted the Walk a Mile Podcast Since 2020
Michal Sieroslawski started the Walk a Mile podcast in 2020. His years in exercise physiology inspired the show. Walk a Mile with Michal Sieroslawski has published more than 50 episodes since then. He shares strategies to improve health, performance, and well-being through nutrition and exercise. Each episode mixes engaging stories with expert advice in an accessible format.
Michal Sieroslawski Became an Entrepreneur Through Health and Fitness in 2020
In 2020, the pandemic moved Michal Sieroslawski from fitness into online business. He built his first website, learned coding and SEO, and turned his fitness knowledge into courses and content. Today Michal Sieroslawski is an entrepreneur who turns small businesses into brands. Health, training, and nutrition remain the foundation of his work. Learn more about Michal Sieroslawski’s professions.