Taking a look at your team, wether we are talking about only of a department or the organisation as a whole, reveals the patterns, but also the specificities of your team.
A strategy should, therefore, be constructed taking into consideration the improvement points discovered. Not all should be answered by trainings, not all should be answered immediately.
A Zero-Nonsense approach on a Learning and Development Strategy should be planned in steps adapted to the organisation and, most importantly, aimed at results and subject to measurements.