James Cowan, HALO Trust

James Cowan

Chief Executive

James Cowan was a soldier.  He joined The Black Watch from Oxford in 1986, serving in Berlin, Northern Ireland, Zimbabwe, Lesotho and Hong Kong.  He helped plan the Kosovo operation in 1999.  He commanded in Iraq in 2004, fighting around Basra and latterly Fallujah.  He returned to Iraq in 2006 and commanded in Helmand in 2009-10.  He planned the military Olympic security operation of 2012.  As a major general, he commanded the 3rd Division.  In 2015 he become HALO’s CEO.

Anthony Wigan, HALO Trust

Anthony Wigan

Company Secretary

Anthony joined HALO in early 2011 in the joint role of Finance Director and Company Secretary. He is a Chartered Accountant (FCA) and worked with the Inchcape Group in the Gulf States, Saudi Arabia, Iran and the Yemen, and the Kurdistan Region of northern Iraq. As HALO has expanded, in August 2017 Anthony handed over the Finance Director role to Mick Darby.

Diana Roberts, HALO Trust

Diana Roberts


Diana joined HALO in early 2003 and has held various positions from running the day-to-day administration to recruitment and human resources. She is currently Personal Assistant to the CEO. She has visited HALO’s programmes in Georgia and Abkhazia.

Callum Peebles

Callum Peebles

Chief of Staff

Callum joined HALO in 2003 and has managed operations on HALO programmes in Angola, Afghanistan, Cambodia, Sri Lanka and Mozambique. Since 2015, he has been responsible for managing some of HALO’s largest government contracts, and building partnerships with other agencies in the sector. He became Chief of Staff in summer 2018.