Convention Bureau The Convention Bureau Basel team will be pleased to assist you.Mail: [email protected]Phone: +41 61 268 68 10LinkedIn Convention Bureau Convention Bureau Loading… Nathalie Lüthi Sales Support Convention Bureau Phone +41 61 268 68 49 LinkedIn contact Ramona Debus Head of Convention Bureau Phone +41 61 268 68 60 LinkedIn contact Stefan Bonsels Sales Manager Convention Bureau Phone +41 61 268 68 20 LinkedIn contact