Sian is a Senior Research Officer from the Office for National Statistics. She joins the team on secondment for a year from November 2020 to work on the SHARE platform. Previously at the Office for National Statistics she worked with transformation areas researching new population and migration statistics based on administrative data. This included helping colleagues to define their user needs, gather administrative data requirements, develop quality assurance plans and advise on aspects such as the process for applying for National Statistics status. She was also the lead for analysing Ethnicity 2011 Census data and published various articles. Prior to this Sian was at the Ministry of Justice as a Senior Researcher working on various elements such as qualitative research, collating evidence packs, managing intervention evaluations and working within the Parliamentary office. She has also worked in both public sector and private transport organisations as a revenue analyst and ONS as a research officer working on various publications.