As part of its efforts to focus on UHNW clients, including family offices, UBS Wealth Management has added a director to its global family office (GFO) business. Eric Sam joins UBS Wealth Management’s GFO unit as a Hong Kong-based director, reporting to Enrico Mattoli, head of GFO for Greater China. Advertisement googletag.cmd.push(function() { googletag.display(‘apb-300-250-2’); }); When contacted, a spokesperson for…