In the next few decades, nonprofits are expected to see an unprecedented level of donations coming into their organizations as accumulated wealth is handed down from baby boomers to the next generations. That shift presents a challenge for organizations to leverage that funding. William Meehan, director emeritus at McKinsey & Co., and Kim Starkey Jonker, president and CEO of King Philanthropies, have written a book to help leaders in the nonprofit sector. The authors, who are also lecturers at Stanford University, discussed their book —   Engine of Impact —  which offers seven steps for strategic leadership, on the Knowledge at Wharton show on SiriusXM channel 111. An edited transcript of the conversation follows. Knowledge at Wharton: Are we looking at a situation where the nonprofits are not ready for this influx of cash? William Meehan: I would think that some nonprofits are ready. They are the ones that follow our seven essentials of strategic leadership, but many are not.…