Solid State plc announced the appointment of Matthew Thomas Richards with effect from 18 April 2016 as an executive director of the company. Mr. Richards has considerable senior management experience in both private and public companies, most recently as Senior VP and Managing Director at API Technologies Corp, Managing Director for Secure Systems & Technologies Limited and as Business Unit Director at Vislink plc for the defense and security sectors. John Lavery, the current Managing Director of Steatite Limited, will remain as an executive director of the company until 31 July 2016 at which time he will take up a non-executive role.