Mary McNaughton
Position: Branch Secretary / National Retail Representative
Meet the Team
Jackie Ballantyne
Position: Deputy National Retail Representative
Sam Cannon
Position: National Health & Safety Representative
Stuart Lumsden
Position: Deputy National Health & Safety Representative
Stuart is the branch Deputy National Health and Safety Rep, he was elected in February 2026. He will be working closely with Sam, our National rep, to support our members in Asda with health & safety concerns. Stuart will be starting his training for this role in the coming weeks.
Craig Lamberton
Position: Accompanying Representative
Email Address:
Craig has been a GMB rep since 2022, and became the branches Deputy National Health & Safety Representative in 2023. Prior to joining GMB, he was a member of another trade union since 2005 until 2020, where he was both a shop steward and a health & safety representative at a regional level. Craig is passionate about Health & Safety in the workplace, and is very experienced at representing members in a full range of meetings.
John McCartney
Position: GMB Organiser
John is the GMB organiser responsible for Asda in Scotland. John works with the branch officials and the workplace representatives to organise in Asda and support reps and members with all issues relevant to the union within Asda. The branch officals and workplace reps deal with all issues in the workplace.