{"ok":true,"entity":{"id":"sebastian-siemiatkowski","name":"Sebastian Siemiatkowski","entityType":"person","officialName":"Sebastian Siemiatkowski","canonicalName":"Sebastian Siemiatkowski","displayName":"Sebastian Siemiatkowski","category":"起業家","shortDescription":"スウェーデンの起業家。2005年にKlarnaを共同創業し、現在も同社の最高経営責任者（CEO）を務める、後払い決済（BNPL）分野を代表する人物。Klarnaは2025年9月にニューヨーク証券取引所へ上場した。","primaryCluster":"fintech","parentEntity":null,"verificationStatus":"draft","website":null,"updatedAt":"2026-09-01T11:03:15.647Z","secondaryClusters":[],"alias":["Sebastian Siemiatkowski Klarna"],"searchKeywords":["Klarna CEO","Klarna共同創業者","BNPL","後払い決済","Sebastian Siemiatkowski"]},"referenceIndex":["P-01-001","P-02-001","P-03-001","P-04-001","P-06-001"]}