This portrait, created as part of the ongoing work of the Rory Lewis Non-Profit, documents General Sir Roly Walker, the professional head of the British Army.

Commissioned into the Irish Guards in 1993, General Walker has commanded at company, battle group, brigade, and strategic levels, with operational service in Northern Ireland, Afghanistan, and Iraq. He commanded the Grenadier Guards in 2009 and later served across brigade, divisional, army, and strategic headquarters.