has been Head of ONS Statistical Disclosure Control (SDC) Methodology since April 2008. In that time he has led the methodological work towards the disclosure control policy and practice for the 2011 UK Census, including the move away from post-tabular to pre-tabular methods. The ONS and GSS disclosure control guidance documents on microdata, admin data and survey data have also been developed and published during this time.

Keith is a regular presenter on statistical disclosure control at ONS and Census events, has presented at international conferences (UNECE SDC) and was the lead for ONS in the European NSI network that has led to the recent publication of A Handbook of Statistical Disclosure Control, part of the Wiley Series in Survey Methodology.

Previously, Keith worked in the ONS for four years on Vital Statistics Outputs and on Census, predominantly on advising on disclosure control, for three years as a statistician for the Home Office, and for seven years as a lecturer / senior lecturer in Research Methods, Statistics and Criminology at Southampton Institute.