By Liz Hall GlaxoSmithKline’s (GSK) coaching initiative is delivering a return on investment of around 400 per cent, according to highly conservative estimates. The initiative, spearheaded by vice president coaching, Sally Bonneywell, is delivering many benefits, including helping GSK transform its culture to cope with unprecedented change. Coaching at GSK forms an integral part of the HR strategy supporting and delivering business strategy. The ROI calculation takes into consideration factors including coaching’s significant contribution to succession planning, assuming an estimated...