But Why?
Because your body is sending signals.
Most people just don't know how to read them.
TechnicallyFit was built to decode those signals, transforming your data into decisions that improve performance, recovery, and long‑term health.
What we're building
The operating system for human performance
It's a big phrase, so here's what we actually mean. An operating system manages a computer's finite resources and gives every program a common way to use them. We're building the same thing for the body.
Your body has a finite budget of adaptation.
HeartCore is the system that manages it.
It manages a finite resource
Your capacity to recover and adapt is limited, and contested across muscles, joints, and energy systems. HeartCore allocates it over time so you progress without breaking down. Most tools only show you the data; an operating system decides how to spend it, alongside you.
It works across every body and device
Bodies differ, and so do wearables, force plates, and training logs. HeartCore turns all of it into one consistent picture, so everything built on top never has to deal with the mess.
One engine, every surface
The same engine serves the individual, the coach, the gym, and the platforms built on our API, the way an operating system runs many apps.
Today we're the intelligence layer for human performance. The operating system is what we build toward as more runs on the engine.
Meet the Team
Our Story

Darian Nwankwo
Founder & CEO
Ph.D. Computer Science, Cornell University. Former AMD, IBM, LinkedIn. NASM Certified Personal Trainer. Research: optimization algorithms for decision-making with limited data. Built the HeartCore Engine. 15+ years at the intersection of training and technology.

Steven Layne
Co-Founder & CTO
BS Computer Science, Northwestern University. Former AT&T and Adobe engineer. GEM Fellowship recipient. Co-founded Norby, an AI-powered marketing platform that raised ~$10M (Google Gradient Ventures, Crosslink Capital, BBG Ventures) and grew to 3M+ users.
Ready to start?
Tell us what you're training for and we'll get you set up.