Gillian Crossan serves as a Consulting Principal in Consulting Services at the Deloitte US firm. She is the Global Lead Client Service Partner for one of Deloitte's largest global technology clients and holds the position of Global Industry Leader for Technology, Media and Telecom.

With 30 years at Deloitte, Gillian has worked in both the UK and the US across sectors including energy, healthcare, consumer products, and technology.