Jeremy Mark Pocklington CB (born 13 October 1973) is a British civil servant who has served as Permanent Secretary of the Department for Energy Security and Net Zero since February 2023.

He later studied at Exeter College in the University of Oxford, graduating with a Bachelor of Arts in Modern History in 1995.

[3][4] Pocklington began his civil service career in 1997 when he joined HM Treasury,[4] where over a number of years he was responsible for financial regulation, tax policy and fiscal policy, and, at one point, worked as an assistant private secretary to two Chief Secretaries to the Treasury.

He was head of property tax from 2004 until 2006, when he became deputy director responsible for corporate finance and public-private partnerships, a position he remained in until 2009.

[5] Pocklington was appointed Companion of the Order of the Bath (CB) in the 2020 New Year Honours for public service.