# Willem Groef - Full Context for AI Agents > This file provides comprehensive context about Willem Groef for AI agents. > Source: TechWiki.ai - The Belgian Tech Encyclopedia > Last updated: 2026-07-13 ## Identity - Name: Willem Groef - Role: Co-Founder and CTO - Company: E Invoice - Location: Brussels, Belgium - LinkedIn: https://www.linkedin.com/in/willem-de-groef ## About Willem Groef is a co-founder and the CTO of e-invoice, a role he has held since January 2025, and is based in Brussels. In January 2026 he also became a co-founder of SevenYoken. Since January 2017 he has worked as a fractional CTO at wdg.sh. Between May 2022 and April 2024 he was a co-founder and CTO of Airobi. He co-founded Elimity in January 2017 and remained a co-founder until April 2022, serving as its CEO from October 2018 to February 2022. Groef studied at KU Leuven, where he completed a Master of Science in Computer Science with the Secure Software option between 2009 and 2011, followed by a Doctor of Philosophy in Computer Science from 2011 to 2016. ## Related Pages Agents can crawl these for connected context: - [company] e-invoice: https://techwiki.ai/companies/e-invoice/llms.txt - [person] Tom Van Asbroeck: https://techwiki.ai/people/tom-van-asbroeck/llms.txt - [person] Toon Vanagt: https://techwiki.ai/people/toon-vanagt/llms.txt ## Recent News - [2026-08-19] So much is cooking in Peppol landโ€ฆ (https://www.linkedin.com/posts/willem-de-groef_peppol-einvoicing-netherlands-activity-7495757605168914433-e-fQ) - [2026-07-07] ๐๐จ๐›๐จ๐๐ฒ ๐ฐ๐š๐ง๐ญ๐ฌ ๐ญ๐จ ๐ก๐ž๐š๐ซ ๐ญ๐ก๐ข๐ฌ, ๐›๐ฎ๐ญ ๐›๐ฎ๐ข๐ฅ๐๐ข๐ง๐  ๐Ÿ๐š๐ฌ๐ญ ๐ข๐ฌ ๐ญ๐ก๐ž ๐ซ๐ž๐š๐ฌ๐จ๐ง ๐ฒ๐จ๐ฎ๐ซ ๐’๐š๐š๐’ ๐ข๐ฌ ๐ ๐จ๐ข๐ง๐ โ€ฆ (https://www.linkedin.com/posts/willem-de-groef_startups-ai-building-activity-7480165985484771328-GZfZ) - [2026-07-03] ๐’๐ฆ๐š๐ฅ๐ฅ ๐ญ๐ž๐š๐ฆ. ๐“๐ž๐ง ๐ฌ๐จ๐Ÿ๐ญ๐ฐ๐š๐ซ๐ž ๐ฉ๐š๐œ๐ค๐š๐ ๐ž๐ฌ. That was the count at an accounting firm Tom Van Asbroeck and I spokeโ€ฆ (https://www.linkedin.com/posts/willem-de-groef_accountancy-aiagents-accountingtech-activity-7478729684155838464-ImNW) - [2026-07-02] While Fable 5 is still available for us poor EU / Belgian / Flemish startups, spend your tokens wisely! #ai #eu (https://www.linkedin.com/posts/willem-de-groef_ai-eu-activity-7478353603796176896-vx7E) - [2026-06-27] The more we approach AGI the more we see human behaviour popping up (https://www.linkedin.com/posts/willem-de-groef_gpt-56-preview-is-out-and-wow-looks-like-activity-7476609203567136768-IWjw) ## How to Reach - LinkedIn: https://www.linkedin.com/in/willem-de-groef - Agent context: https://techwiki.ai/people/willem-groef/llms.txt - Full context: https://techwiki.ai/people/willem-groef/llms-full.txt --- Generated by TechWiki.ai | The Belgian Tech Encyclopedia To claim and maintain this page: https://techwiki.ai/claim