> Markdown version of [/@hendrik-ebbers](https://www.wearedevelopers.com/@hendrik-ebbers). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Hendrik Ebbers Open source director at Hashgraph focusing on decentralized ledgers and Java. ## About Hendrik Ebbers directs open source strategy at Hashgraph and founded Open Elements. A Java Champion, he serves on the Eclipse Foundation's Board of Directors and leads the Linux Foundation's Hiero project, focusing on decentralized ledger technology. He frequently shares his work on shared open source governance, software supply chain security, and building applications with smart contracts. His approach centers on maintaining healthy, multi-stakeholder ecosystems that avoid single-vendor dominance. When he is not contributing to public DLTs or JakartaEE, Hendrik runs the Dortmund Java User Group and plays board games. ## Past Sessions ### World Congress 2026 Europe 路 July 8, 2026 Berlin, Germany - [Vendor Neutral by Design: Building Healthy Open Source Ecosystems with Diverse Stakeholders](https://www.wearedevelopers.com/videos/100029-vendor-neutral-by-design-building-healthy-open-source-ecosystems-with-diverse-stakeholders) 路 30 min 路 馃帴 Watch recording - [Build Agents That Can Pay with x402: From Your Laptop to a Live Network](https://www.wearedevelopers.com/events/world-congress-2026-europe/sessions/1289-build-agents-that) 路 120 min ### World Congress 2024 路 July 17, 2024 Berlin, Germany - [Building a trustful voting system on a blockchain](https://www.wearedevelopers.com/events/world-congress-2024/sessions/42-building-a-trustful) 路 120 min - [Supply Chain Security - Strategies and Best Practices](https://www.wearedevelopers.com/events/world-congress-2024/sessions/271-supply-chain) 路 30 min ## Videos - [Vendor Neutral by Design: Building Healthy Open Source Ecosystems with Diverse Stakeholders](https://www.wearedevelopers.com/videos/100029-vendor-neutral-by-design-building-healthy-open-source-ecosystems-with-diverse-stakeholders) 路 Hendrik Ebbers ## WeAreDevelopers LIVE - [Blockchain, NFT and smart contracts for my application](https://www.wearedevelopers.com/videos/877-blockchain-nft-and-smart-contracts-for-my-application) 路 Hendrik Ebbers ## Links - [X](https://twitter.com/hendrikEbbers) - [LinkedIn](https://www.linkedin.com/in/hendrik-ebbers/)