76% of millennials think that professional development opportunities are one of the most important elements of a company's culture (Execu-Search)
Provide employees with a challenge and an opportunity for development. This lets your employees know that you have invested in them, in return they will be loyal to your organizational culture.
Quick win ideas for an action plan:
Set challenges related to solving specific problems in the company. Have all employees write down ideas to solve the problem, and then make a meeting where everyone will challenge those ideas
Strategic initiative ideas:
At the company level, reward the best ideas, publicly praise and promote employees who have changed their standard framework. Involve the entire organization in solving challenges.