The recent Research Insight report by Rachel Lewis and colleagues emphasises that bringing these together sustainably is essential in order to achieve the benefits of high performance. Addressing one or the other in isolation can result in highly engaged people burning out and leaving, or healthy, dis-engaged people staying and performing at a lower level.
See here for the full CIPD report on this research. To discuss engagement and well-being in your organisation do get in touch - email me sarah.jaggers@managingchange.org.uk or phone 01223 655667.