The 8 Elements of Coaching, created by Mia Horrigan, sums up the skills an effective coach needs to have. Its a blend of directive and non-directive approaches that help individuals and team achieve optimal outcomes. In her article, she talks about her discovery that providing answers (i.e. being the 'scrum mum') may appear to help in the short term but makes teams less independent and resilient in the longer term.
25 years experience in helping teams build user centred products and services, now helping digital colleagues learn how to bounce back better than before from the challenges life throws at us from time-to-time.