Technologist · Builder · Pilot
Daniel
Keller
25+ years building tech products. Currently exploring GenAI-native development, longevity optimization, and flying across Europe in a Cirrus SR22T.
Product & Tech
Side projects like SortFlex and NutriSpan, GenAI-native development with agentic workflows, and hands-on building across identity verification, fintech, and digital marketplaces.
Leadership
Lessons from 25+ years of tech leadership — strategy, org design, execution, and the principles that drive high-performing teams across four exits.
Longevity
Optimizing health span through six pillars — sleep, exercise, nutrition, mental health, biohacking, and risk avoidance.
Flying
A decade of private flying — EASA & FAA PPL, Instrument Rating, cockpit GoPro footage, and adventures across Europe in a Cirrus SR22T based out of Schönhagen.
25+
Years in Tech
4
Exits
$1.6B+
Exit Value
10+
Years Flying
IR
Instrument Rated
Latest Updates
Immersive Bold Targets — Why Incrementalism Kills Innovation
How safe, incremental goals erode competitive advantage and why OKRs done right force the creative leaps that move businesses forward.
Read moreA Fleet of Fast Boats Over a Big Ship
Why small autonomous teams outperform large organizations -- lessons from Microsoft, four exits, and 25 years of building tech companies.
Read moreModel Your Company — Link Every Mechanic to the Business
Why CTOs must model the full mechanics of their company and trace every engineering decision back to business outcomes and growth targets.
Read moreWhat Flying Taught Me About Running a Business
Cockpit principles that transfer directly to business -- from data-driven weather decisions and continuous course corrections to crystal-clear targets and the discipline of checklists.
Read moreSet Expectations Right — The Art of Underpromise, Overdeliver
Why managing expectations with shareholders and stakeholders is a leadership superpower -- and what happens when you get it wrong.
Read moreUpdating Garmin Perspective (G1000) Navigation Data via SD Cards
Step-by-step guide to updating navdata, obstacles, terrain, and charts on the Cirrus Perspective system using three SD cards -- including the correct circuit breaker sequence.
Read more