Hi!

I’m Katherine Post, or as some of you know me as Kat, the founder and lead instructor of POSTURA., fitness and movement brand dedicated to intentional power, strength and feeling your best.

I started my fitness journey at 17, committing to 45 minutes of functional fitness every day—and it completely transformed my life.

Through HIIT and weight training, I didn’t just build strength—I built discipline, self-awareness, and a deep understanding of what works for my body. Being part of a powerful fitness community pushed me even further and ultimately showed me my purpose.

That experience is what sparked my vision to create my own brand in the fitness space at 25 years old.

About a year ago, I shifted my approach to fitness. For years, I primarily focused on HIIT classes, but after nearly seven years of that style of training, I started to notice my body was constantly inflamed and no longer responding the way it once had.

That’s when I made a change. I began incorporating strength training as my foundation, adding in Pilates and cardio once or twice a week.

This new balance completely transformed both my body and my overall well-being.

I’m a strong advocate for this style of training—lifting weights, integrating Pilates, and using cardio intentionally. Of course, everyone’s body is different and responds in its own way, but with consistency and discipline, I truly believe this approach can help you become a machine—physically, mentally, and emotionally.

I am currently an instructor at Evolve Studio and adore every aspect of this studio. If you’re looking for group classes and want to workout with me, join me at Evolve! First class is free, on me!

I built POSTURA. with one mission: to redefine the way people experience fitness.

Working out shouldn’t feel like punishment—it should feel empowering. The ability to move your body is a privilege, and it’s one I want to share with as many people as possible.

My philosophy is simple: look good, feel good, do good. This goes beyond aesthetics—it’s about building strength in every aspect of your life. Every class is designed to push you, make you sweat, and leave you feeling unstoppable—all while enjoying the process and moving with purpose.