Vaisala appoints Olli Nastamo as Executive Vice President, Operational Excellence. He will be a member of the Vaisala Management Group and report to President and CEO Kai Öistämö. Olli Nastamo will start in his position on March 1, 2021. Olli Nastamo joins Vaisala from Metso Outotec where he held the position of Executive Vice President, Operational Excellence.