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 × AI
Agentic development patterns, side projects like SortFlex and Longevity OS, and notes from the frontier of AI-native product building - plus 25 years of lessons from shipping and scaling tech companies.
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
Vibe Coding in Prod Is a Management Problem, Not a Coding Problem
Eric Schluntz (Anthropic) argues the real challenge of AI-assisted engineering is the oldest one in management - how do you verify work you can't read yourself? My take on leaf nodes, the 22,000-line PR, and why being Claude's PM is the new engineering craft.
Read morePLAID in Practice - I Ran a Real Product Idea Through This Idea-to-Launch Skill
A hands-on test of PLAID, a Claude Code skill that takes a founder from raw idea to PRD, roadmap, and go-to-market plan. What worked, what didn't, and where it fits next to Osmani's agent-skills and Spec Kit.
Read moreNo Rules Rules - Why Netflix's Culture is the Blueprint for AI-Era Teams
Reed Hastings' No Rules Rules isn't just about Netflix - it's the operating manual for high-trust, high-autonomy teams that ship fast. Here's why it matters more now than when it was written.
Read moreThe Last Bottleneck - Brains, Bodies, and Memory
One person can now build what used to take a team of fifty. Here's the tectonic shift - and what I'm already seeing in my own work with AI agents, orchestration frameworks, and persistent memory layers.
Read moreThe 15 MCPs & Skills That Supercharge My Claude Code Setup
The most important MCP servers and Claude Code skills I use to boost agentic AI productivity - what they do, why they matter, and copy-paste install instructions for each one.
Read moreThe Skills Framework - From Vibe Coding to Production-Grade Agentic Engineering
Why Anthropic's Agent Skills and Addy Osmani's skills framework are the missing discipline layer for serious AI-assisted software engineering - and how they compare to GitHub's Spec Kit.
Read more