The phrase "chief examiner" refers to the person who is in charge of evaluating or testing others' knowledge or skills. They oversee and supervise the examination process. Full definition
Co-author George Rouse gave a talk to the BETT education technology fair in 2013 as OCR's chief examiner for computing GCSE. (bbc.co.uk)
Alongside his legal practice Mr Holden has held a number of teaching and professional posts including with Jersey's Institute of Law, where he was the Visiting Professor responsible for the Civil and Criminal Procedure Course for qualifying advocates, Victoria University of Wellington in New Zealand, where he lectured on trusts, equity and succession, and the English Bar Standards Board, where he was assistant chief examiner in relation to civil litigation, evidence and remedies. (careyolsen.com)
But alongside this, statistical predictions based on the results of national primary school tests sat by the candidates, and chief examiner judgments, are used to set the grade boundaries. (bbc.co.uk)