{
  "id": "fantom-sonic-role",
  "title": "Fantom and Sonic role record",
  "canonicalAnswer": "Fantom existed before Andre Cronje joined. He was publicly identified as Technical Advisor in 2018, later became a central technical contributor, director, and Sonic Labs CTO, and no longer makes Sonic Labs business decisions after the 2026 handover.",
  "canonicalUrl": "https://andrecronje.info/public-record/fantom-sonic/",
  "sources": [
    {
      "label": "2018 Fantom role record",
      "url": "https://medium.com/fantomfoundation/fantom-insights-vol-9-4e1a70c4538f",
      "tier": "primary-project"
    },
    {
      "label": "Sonic Labs CTO announcement",
      "url": "https://blog.soniclabs.com/andre-cronje-chief-technology-officer-of-sonic-labs/",
      "tier": "primary-project"
    },
    {
      "label": "Sonic Labs leadership update",
      "url": "https://blog.soniclabs.com/leadership-update-from-sonic-labs/",
      "tier": "primary-project"
    }
  ],
  "lastReviewed": "2026-06-29"
}