Mark Castell

Mark Castell is a Partner at HKA, a position held since July 2020, where expertise in quantum and delay expert witness services is provided within dispute resolution processes in the construction and engineering sectors. Prior to this role, Mark served as the Managing Director of Expert Services at Driver Trett from November 1999 to July 2020, focusing on investigative work related to contractual, financial, and management issues across various industries, including energy and infrastructure. Mark's career also includes positions as a Contract Administration Manager at Bechtel from 1997 to 1999 and as a Quantity Surveyor at Balfour Beatty from 1994 to 1997. Mark Castell holds an MBA from Alliance Manchester Business School, obtained between 2001 and 2004.