As a former cabinet secretary of the US Department of Veterans Affairs (VA) and CEO of Procter & Gamble, Bob McDonald is one of a handful of leaders who has excelled in both the public and private sectors. Under his leadership at VA, he delivered a significant uplift in service to veterans and organizational culture, and as CEO of Procter & Gamble, he led global expansion, sustained innovation, and profitable growth. As part of our Leadership Excellence series, he sat with Roland Dillon and Scott Blackburn to reflect on his approach to leadership, teamwork, and culture. An edited transcript of the discussion follows.