Assistant Chief of the Defence Staff

The Assistant Chief of the Defence Staff (ACDS) is a senior British military officer. There are a number of ACDS appointments and they are held by officers of two-star rank (rear admiral, air vice-marshal, or major general). They work in the Ministry of Defence.

Assistant Chief of the Defence Staff (Health)

This list is incomplete; you can help by expanding it.

The ACDS(H) reports to the Surgeon General.

• Surgeon Rear Admiral Lionel Jarvis (2008–2011)
• Major General Jeremy Rowan (2011–2014)
• Surgeon Rear Admiral Alasdair Walker (2014–2015)
• Major General Martin Bricknell (2015-present)

Assistant Chief of the Defence Staff (Intelligence Capability)

This list is incomplete; you can help by expanding it.

The ACDS(IC) reports to the Chief of Defence Intelligence.

• Major General Jerry Thomas (2009–2012)

Assistant Chief of the Defence Staff (Operations)

This list is incomplete; you can help by expanding it.

• Rear Admiral David Brown (1980–1982)
• Air Vice-Marshal Clive Loader (2002–2004)
• Major General Nick Houghton (2004–2005)
• Major General Chris Nickols (2005–2008)
• Air Vice-Marshal Andrew Pulford (2008–2010)
• Major General David Capewell (2010–2011)
• Air Vice-Marshal Bob Judson (2011–2013)
• Major General Patrick Sanders (2013–2015)
• Air Vice-Marshal Edward Stringer (2015–present)

Assistant Chief of the Defence Staff (Personnel)

This list is incomplete; you can help by expanding it.

Since 1992, the Defence Services Secretary has usually holds the appointment of ACDS(P) as a secondary role.

• Major General Brian Pennicott (1992–1994)
• Air Vice-Marshal Peter John Harding (1994–1998)
• Rear Admiral Rodney Lees (1998–2001)
• Major General Christopher Elliot (2001–2004)
• Air Vice-Marshal David Pocock (2004–2005)
• Rear Admiral Peter Wilkinson (2005–2007)
• Major General Matthew Sykes (2009–2010)
• Air Vice-Marshal David Murray (2010–2012)
• Rear Admiral Simon Williams (2012–2015)
• Major General Richard Nugee (2015–present)

Assistant Chief of the Defence Staff (Policy)

This list is incomplete; you can help by expanding it.

• Air Vice-Marshal John Gingell (1975–1978)
• Rear Admiral Jock Slater (1985–1987)
• Major General Andrew Stewart (2004–2006)
• Rear Admiral Alan Richards (2006–2009)
• Major General Jonathan Shaw (2009–2012)

Assistant Chief of the Defence Staff (Reserves and Cadets)

The ACDS(R&C) is the senior reservist of the British Armed Forces. He/she is responsible for tri-service policy relating to the reserves and cadet forces. The appointment was created in 2004.

• Major General Gerald Grosvenor, 6th Duke of Westminster (2004–2007)
• Major General Simon Lalor (2007–2010)
• Major General Greg Smith (2010–2013)
• Major General John Crackett (2013–present)