This is a link to some of the research of trusts implementing a strategy and using tooling
https://improvement.nhs.uk/documents/1641/01-NHS104-Phase_2_Lancashire_Sample_Strategy_310817_A.pdf
These are some external links about it
https://www.hrmagazine.co.uk/article-details/the-nhs-culture-and-leadership-toolkit
https://www.gov.uk/government/speeches/good-nhs-leadership-starts-with-culture-change
https://www.transformationunitgm.nhs.uk/fostering-compassionate-leadership-will-help-nhs-thrive/