Johannes Herold
Creating ventures with clarity, flow and purpose.
Entrepreneur & venture builder specialized in AI, SaaS, and hosting. I design and launch products that combine scalable technology, community-driven growth, and human-centered design — always with a focus on simplicity and impact.
idearockers
Active ventures I'm building and scaling through idearockers - my venture studio for AI, community and human-centered design.
wynd
Hyperlocal AIwynd delivers hyperlocal wind data with real-time precision — exactly where it matters: where you ride. Powered by AI and backed by the fastest-growing wind sports community on Earth.
flowboost
Content Agentsflowboost is your AI system for generating brand-safe content. Powered by intelligent agents, it connects your data, teams, and channels to streamline every step from strategy to publishing.
breathe
Mindfulness AppIn a world that's becoming faster and more artificial breathe brings calm and mindfulness back to your life. It helps you slow down, reconnect, and create space in the everyday for what truly matters.
Track Record
My journey across 30 years of building ventures — from early internet communities to AI-driven platforms.
2025–today ·wynd
Community-driven wind data platform for kitesurfers & watersports – built entirely with AI. Hyperlocal stations, real-time forecasts & a fast-growing community.
AI-Built2023–today ·flowboost AI
Enterprise AI middleware for content automation – helping brands scale voice & context across channels. Built for enterprises, not just another GPT wrapper.
AI-Native2016–today ·breathe
Mindfulness app designed for intentional use and digital wellbeing. Over 93k downloads and 10M+ sessions, with strong adoption in Germany, Switzerland & Austria.
10M+ Sessions2021–2023 ·finhub
WealthTech SaaS for high-net-worth individuals to analyze, optimize & share their portfolios. Developed and validated with early adopters before pivot.
WealthTech SaaS2001–2019 ·checkdomain
Founded and scaled one of Germany's leading hosting & domain providers, achieving the strongest organic growth in the market before being acquired by Dogado (backed by Triton, now part of group.ONE)
Acquired by group.ONE1996–1998 ·chatworld
One of the first white-label chat & community platforms in Europe. Adopted by major brands like RTL, Sport1, Ikea & Techniker Krankenkasse.
First MoverWhy I build
I believe in building ecosystems powered by AI and data — not isolated apps. My focus is on creating technology that unlocks human potential: systems that streamline how we work, connect, and live, while keeping design deeply human.