Tom Rath — American Author

Tom Rath is an American author, researcher, and speaker whose books have sold more than 5 million copies and have been translated into sixteen languages. He is best known for his studies on strengths based leadership and wellbeing and synthesizing research findings in a series of bestselling books... (wikipedia)

I've seen people be effective, even among local teams, by offering something that improves wellbeing in a small way - people who get passionate about smart investment strategies and managing finances for retirement, for example.
Ignoring negative things that need to be changed is destructive and does nothing to alleviate negativity. Instead, we should focus on the way we're treating other people in our brief interactions with them.
On average, spending time with your boss is consistently rated as the least pleasurable activity in a given day.
Friendships are among the most fundamental of human needs.
Making better choices takes work. There is a daily give and take, but it is worth the effort.