David Hossack – Morton Fraser MacRoberts  Morton Fraser MacRoberts‘ Edinburgh-based David Hossack ’guides parties through complex issues and helps them find their own solution to their dispute‘. Employment and commercial law specialist Hossack has conducted over 110 mediations to date. He is one of only four lawyers who are accredited as commercial mediation specialists by the Law Society of Scotland and is also a mediator at Edinburgh Sheriff Court.