About us Governance Our Trustees Syma Cullasy-Aldridge Syma Cullasy-Aldridge is the Chief Campaign Director, CBI. Before joining the CBI, Syma held policy and communications roles across central government, including at PUBLIC, the Cabinet Office and the Department for Business, Energy and Industrial Strategy. She also set up and ran the external engagement team in the Department for Exiting the European Union. In the private sector, she worked in aerospace, defence, security and space as director of policy and communications in the industry’s trade association. Syma is passionate about increasing diversity in this field, personally recognising the value that diversity of thought and experience brings to an organisation. She has been on the board of trustees since January 2021.