Aitkens has worked with Sky – a long-standing public affairs client of the agency – since she joined Portland in July 2005. Prior to that, Aitkens was a corporate comms executive at ITV.
Her boss at Portland, managing director Tim Allan, is a former Sky director of corporate comms.
At Sky, Aitkens is one of a team of five reporting to head of public affairs Martin Le Jeune.
Le Jeune is leaving the broadcaster to join a new consultancy, Open Road.