When the producers of Creed III needed to transform Michael B. Jordan into a world-class boxer for the screen, they called Corey Calliet. On this episode of the Escape Your Limits podcast, Matthew Januszek sits down with the trainer widely regarded as the hottest name in Hollywood fitness — a former competitive bodybuilder whose understanding of physique development and his ability to deliver results under tight production timelines have made him the go-to choice for major studio projects from Universal Pictures to Marvel to Walt Disney.
The conversation covers the full arc of Calliet's career — from his bodybuilding beginnings to his first celebrity client, from the specific techniques he uses to prepare actors for physically demanding roles to the philosophy that connects his approach to training with the broader principles of real-world success. Matthew and Corey also dig into nutrition, recovery methods, and the mindset attributes Calliet looks for before taking on a new client — a set of standards that says as much about his philosophy as any workout he has ever designed.
About Corey Calliet
Corey Calliet is one of the most sought-after celebrity trainers in the entertainment industry, best known for sculpting Michael B. Jordan's physique for his lead role as Adonis Creed in Creed III. His expertise in transforming bodies for specific screen requirements has earned him work with some of the most prominent studios in Hollywood, and his own bodybuilding background — which saw him recognized as one of the 50 Most Fit Men in the World alongside Usain Bolt, Michael Phelps, and Conor McGregor — gives him a firsthand understanding of what peak physical conditioning actually requires.
Calliet's reputation extends beyond the film industry. He served as the Lead Trainer on Revenge Body by Khloé Kardashian, a platform that brought his transformation methodology to a mainstream audience and demonstrated the breadth of his coaching range. His ability to work with clients across widely varying fitness levels and goals — from actors on compressed production schedules to individuals pursuing personal transformation — reflects a coaching philosophy grounded in careful client assessment and individualized programming.
What distinguishes Calliet's approach, as he explains in this episode, is the connection he draws between the attitudes and philosophies that drive success in training and those that drive success in every other area of life. He is not simply a physique coach; he is a performance coach who uses the discipline of physical transformation as a framework for building the mental resilience that real-world achievement demands.
What Corey Calliet and Matthew Januszek Talked About
- Calliet's entry into personal training and bodybuilding was driven by a genuine passion for the discipline, and his path to his first celebrity client required him to demonstrate not just his knowledge but his ability to deliver measurable results under pressure.
- His experience transforming clients for film roles is built on a clear methodology: understanding the specific physical demands of each role, designing a training program calibrated to those demands, and executing it within the compressed timelines that production schedules impose.
- The episode explores how Calliet's training approach has evolved since his competitive bodybuilding days — the adjustments he has made to his own routine as his goals shifted from competitive preparation to long-term performance and health.
- He describes the attributes he looks for before agreeing to take on a new client: a set of qualities related to mindset, coachability, and commitment that he regards as more determinative of outcomes than starting fitness levels or physical attributes.
- The conversation covers the correlation between attitude and training philosophy and real-world success, with Calliet arguing that the discipline required to build a serious physique teaches lessons about consistency and resilience that transfer directly to professional and personal achievement.
- Calliet shares his current food and supplement recommendations, grounded in his experience working with high-performance clients who need to achieve specific body composition targets on defined timelines.
- He addresses the major diet trends and offers his assessment of their practical utility — a perspective informed by years of working with clients whose results need to be visible on screen, not just measurable on a scale.
- The episode closes with Calliet's approach to recovery, which he treats as a non-negotiable component of any serious training program — a recognition that the adaptation the body needs happens between sessions, not during them.
Why This Conversation Matters
For Matthew Januszek and the Escape Fitness USA audience — gym owners, equipment designers, and fitness professionals who think seriously about what it takes to build high-performance environments — Corey Calliet represents something important: proof that the most rigorous training principles travel across contexts. The same methodology that prepares an actor for a Hollywood blockbuster is the methodology that makes a great gym program, a great coaching practice, and a great personal transformation.
The Escape Your Limits podcast has always been interested in the people who operate at the edges of what fitness can achieve, and Calliet's career — from competitive bodybuilding stages to film sets to national television — is one of the most vivid illustrations of what happens when genuine expertise meets the right opportunity. This is a conversation about craft, standards, and the conviction that the work itself is never separate from the person doing it.
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About Matthew Januszek
Matthew Januszek is the co-founder of Escape Fitness, the functional-training equipment brand he built from a UK startup into a global name supplying many of the world’s leading gyms, studios, and hotel fitness spaces. Following the separation of the UK and US businesses, Matthew’s focus today is Escape Fitness USA and the next chapter of the brand in North America. He hosted more than 300 episodes of the Escape Your Limits podcast and now co-hosts the LIFTS Podcast with SweatWorks founder Mohammed Iqbal, covering the business, science, and technology shaping the fitness industry. Explore more interviews and episodes on MatthewJanuszek.com.
