For more than 20 years, Arnoud De Geus has been working for the Sioux Group, which is a technology and production partner for leading industries. Sioux Group has 700 employees, and has an international reach. During the last 15 years, Arnoud has been part of the Sioux Group board of directors. He is mostly focused on the outside of the company in the form of account management and sales roles and since 2016, Arnoud has been promoted to the role of Director New Business Development of the Sioux Group. Besides that Arnoud is part of the Sioux China board.