Wearer of Many Hats: One Management Style Does Not Fit All
http://www.writingassist.com/articles/management-styles.htm

Young, Jeffrey R.
Writing Assistance
2007

Abstract:

Trying to convince multiple individuals to head in the same direction requires figuring out the mindsets of those multiple people and what it takes to motivate them to follow your lead. The article discusses four "hats" managers may have to wear and which management “hat” works best for each situation.