An interesting theme ran through several conversations I had over the past few weeks. People are frustrated in volunteer roles. Non-profit leaders can't figure out how to engage volunteers. They want to know how to motivate people, which can be especially tricky in situations where pay isn't involved. In this case, for volunteers. Interestingly, the frustrated volunteers were exactly the type of people the other group was looking for. After spending a significant amount of time in the non-profit sector and working with military reservists and…