Holger Köther

Holger Köther

  • Location: Nuremberg, Germany
  • Availability: Remote worldwide · On-site internationally by arrangement
  • Languages: German (native), English (fluent)
17+ Years Enterprise IT
8 Years Web3 & Blockchain
3 Startups Co-Founded
5 AI Products Shipped
50+ Keynotes & Panels
CTO Telefónica Account

How I Work

  • Strategy and operations — the business side, not the code
  • Hands-on execution alongside founders and leadership teams
  • Fully AI-native workflow — I move faster and deliver more than a traditional operator
  • Honest guidance—not every engagement is the right fit

Track Record

  • Account CTO for the Telefónica account at Atos — 9-digit T&T project
  • Executive Director at the IOTA Foundation — drove enterprise blockchain adoption from zero to production
  • VP Web3 Strategy & Services at ETO GRUPPE
  • Co-founded 3 Web3 startups (SPYCE.5, HAVN, BUILD.5) — from concept to market
  • XFounders alumni — 2,000 applied, 11 selected (0.5% acceptance rate)
  • Shipped 5 products as a solo founder using AI — iOS apps, Chrome extension, web app
  • Keynote speaker at Blockchance, GREENTECH Festival, conf3rence, and 50+ more

I work with companies where I can make a real impact.

Let's see whether that's the case for you.

Get in Touch