{"id":"79335425-2f61-4c3f-a3f5-00fff98200ce","slug":"martin-herrenknecht","name":"Martin Herrenknecht","bioBrief":"Founded Herrenknecht in 1975 with six employees and grew it into the worldwide market leader for tunnel boring machines, manufacturing the TBMs that bored the Gotthard Base Tunnel.","priorExits":null,"nationality":null,"verificationPosture":"reported","aliases":[],"sources":[{"url":"https://en.wikipedia.org/wiki/Herrenknecht","title":"Herrenknecht - Wikipedia","sourceName":"Wikipedia"}],"reviewStatus":"reviewed","createdAt":"2026-07-03T14:16:30.531Z","updatedAt":"2026-07-14T21:34:51.337Z","educations":[],"companyRoles":[{"id":"87101a74-261a-41d8-a582-fd0cf63fd327","personId":"79335425-2f61-4c3f-a3f5-00fff98200ce","companyId":"2376e195-7b9b-473e-a091-ba5abf884c2d","role":"founder","roleTitle":"Founder, President & CEO","startDate":null,"endDate":null,"currentRole":true,"roleBasis":"reported_not_verified","createdAt":"2026-07-03T14:16:30.976Z","company":{"slug":"herrenknecht","name":"Herrenknecht"}}],"boardRoles":[],"investorRoles":[],"foundings":[{"id":"4107ecc6-477b-4c39-a1eb-0ab0798c8848","personId":"79335425-2f61-4c3f-a3f5-00fff98200ce","companyId":"2376e195-7b9b-473e-a091-ba5abf884c2d","foundingDate":null,"cofounderStatus":"cofounder","stillAtCompany":true,"createdAt":"2026-07-03T14:16:31.281Z","company":{"slug":"herrenknecht","name":"Herrenknecht"}}]}