Karen Richardson is currently a director of both Artius Acquisition Inc., a special purpose acquisition company, having been appointed in 2020, and, since 2013, Exponent Inc., the engineering and scientific consulting company. Ms Richardson, a US national based in Florida, has previously been a director of Worldpay Inc. (previously Worldpay Group plc) and of BT plc. Following the conclusion of the 2021 Annual General Meeting, Ms Richardson will become a member of the audit committee.