TLP465: How Mental Toughness is Developed with Dr. Andreas Stamatis

Dr. Andreas Stamatis is a Professor at the University of Louisville and a Mental Performance Specialist at UofL Health, blending sport science, psychology, and leadership to help individuals and organizations thrive under pressure.

In this episode, Andreas explores the foundation of mental performance—how it’s developed, why it’s often misunderstood, and what separates sustainable performance from momentary hype. Andreas introduces the “existential positive psychology”, a framework that views adversity as a growth opportunity—but only when it’s relevant. 

Andreas challenges the idea that mental toughness leads to selfishness. He explains that mental toughness is a personal construct—true strength lies in managing competing demands without losing yourself or others. 

He also tackles the corporate tendency to overvalue outcomes and undervalue behaviors. Andreas challenges that mindset, insisting that behaviors are more controllable, more consistent, and more ethical to reward. Andreas also sees potential in how AI can help shape behavior and context if used wisely. He compares it to any other high-performance tool: powerful when used with clarity and care.

This conversation is for anyone who wants to build a mentally tough team, avoid burnout, and embrace the kind of leadership that values people over performance metrics. 

You can find episode 465 wherever you get your podcasts!

Watch this Episode on YouTube | Dr. Andreas Stamatis on How Mental Toughness is Developed

https://bit.ly/TLP-465

 

Key Takeaways

[03:14] Andreas breaks down mental performance, bringing with real-world examples. Andreas explains that mental performance isn’t about motivation—it’s about creating a “psychological infrastructure” that holds up under pressure, enabling sustainable, adaptable, and ethical performance when it matters most.

[07:16] Andreas delved into existential positive psychology, using Lent as an example: “We do it because we understand that through stress, adversity, difficulty, we grow.” 

[09:28] Andreas pointed out what is relevant adversity. Forcing someone to run a marathon when they’re a diver won’t make them stronger—it’ll just derail them. True growth comes from adversity that aligns with personal goals. 

[10:45] To counter the perception that psychology is “soft,” Andreas uses data to show that mental toughness is a performance multiplier. His team collects evidence through interviews, questionnaires, and observations, proving that mental toughness improves not only performance but social cohesion and reduces issues like screen time addiction. 

[15:27] When asked if there’s such a thing as too much mental toughness, Andreas acknowledged the danger of a “machismo mentality.” While grit is valuable, it can become toxic when it turns into blind persistence that sacrifices well-being. 

[19:04] One of Andreas’s most powerful insights came when Jim quoted him: “The entity cannot be more important than the humans that support it.” He critiqued the “performance trap,” where results are prioritized over ethical behavior and people. Andreas advocates for a shift in culture—focusing on the process, the mindset, and the individuals who drive performance, rather than just the outcome.

[24:08] When AI came up in the conversation, Andreas compared it to any high-performance tool: not a replacement for humans, but a servant to human potential. He envisions AI helping people fine-tune their focus, regulate emotions, and stay resilient by providing real-time, personalized feedback. 

[31:18] And remember...“Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude.” - Thomas Jefferson

Quotable Quotes

"So existential positive psychology says, yes, be proactive, work on your strengths. However, that trauma, stress, adversity that you go through, it has the potential for growth."

"Even in your darkest hour, there could be something that could help you grow and become better human."

"So we’re not looking for adversity just to look for adversity... we need to take them through the process that would lead them to put them in a better position to be successful towards those goals."

"Mental toughness is a multiplier."

"The mentally tough mindset is purposeful, which means you know where you're going. There's direction, and there's energy towards those goals as a purposefulness."

"The mentally tough mindset has efficiency, which means there's a congruency between your behaviors and your goals. Otherwise, they're just dreams." —

"When you have a goal in order to achieve that goal, there are behaviors that you need to do in order to achieve that goal. Behind that one step before that is the mindset."

“mental toughness is a personal construction. There’s no team mental toughness. It’s. It’s something that you have to work on yourself. I don’t see it as something that necessarily is negative. I see it as empowering."

 

“an actual real mentally tough person can work with conflicting goals, that’s how we say, or interest."

 

"So metrics start to, in a way, overshadow mindset and then the behavior becomes transactional. So that’s the performance trap. So we reward results even if they were achieved unethically or unsustainably, and we punish failure even if the process was sound and value aligned and we did the best we could under the circumstances. But the truth is this. Outcomes are variable. Markets shift, opponents adjust, life throws curveballs. But mindset can be trained, stabilized, and eventually applied across all of it."

 

“When the standard, people know what's expected from them, no matter the result, the culture becomes behavior driven and value based and performance becomes more consistent and stress goes down."

 

Resources Mentioned

• The Leadership Podcast | theleadershippodcast.com

• Sponsored by | www.darley.com

• Rafti Advisors. LLC | www.raftiadvisors.com

• Self-Reliant Leadership. LLC | selfreliantleadership.com

• Facebook | www.facebook.com/AndreasCoachStamStamatis

• LinkedIn | www.linkedin.com/in/andreas-stamatis-ph-d-facsm-acsm-ep-53550253/

• Instagram | @thecoachstam