Lawrence ClarkAdministrative Assistant and PA Sub departmentAstrophysics Research groupsBreakthrough Listen lawrence.selmons-clark@physics.ox.ac.uk Telephone: 01865 273991 Denys Wilkinson Building, room 460 About Administrative Assistant, Astrophysics, and PA to Dr Andrew Siemion, Breakthrough ListenYou can find me in the office, Monday to Friday, 9am-5pm.