Government departments
- UKREP – Sir Ivan Rogers resigned as the UK's Permanent Representative to the European Union; he has been succeeded by Sir Tim Barrow, formerly political director at the Foreign & Commonweath Office.
- Department for Environment, Food and Rural Affairs: Climate Change Adaptation Sub-Committee – Baroness Brown of Cambridge to take over from Lord Krebs as Chair on 1st February.
- Ministry of Defence: Defence Equipment and Support – Ros Rivaz and Iain Lanaghan appointed as Non-Executive Directors.
- Department for Business, Energy and Industrial Strategy: David Metcalf named as the first Director of Labour Market Enforcement
- Department for Culture, Media and Sport: Natural History Museum Board – Kim Winser reappointed as a Trustee.
Regulators
- Competition and Markets Authority - Lucilia Falsarella Pereira and Fred Houwen have started as Project Directors, and Tim Greer to take the role on 30th January.
Houses of Parliament
- Edward Ollard to succeed David Beamish as Clerk of the Parliaments in April.
Parties
- UK Independence Party: Victoria Ayling appointed as Heritage and Tourism Spokesperson; Lisa Duffy appointed as Foreign Aid Spokesperson.
Devolved Authorities
- Northern Ireland: Electoral Office for Northern Ireland – Virginia McVea to replace Graham Shields as Chief Electoral Officer from 1st February.
Industry
- Madano – Chris Parr appointed as Director of Built Environment and Professional Services Business.
- M&C Saatchi – Ros Trinick appointed to work on the Home Office's Office for Counter Extremism brief .
- Law Society – Catherine Dixon resigned as Chief Executive.