Expert (38% of leaders)

Style: Exercises control through knowledge and expertise; relies on logic and data 

Found In: Professional services, technical roles, analysts, engineers, consultants 

Examples: Scott McNealy (Sun Microsystems) 

Benefits: Great individual contributors; pursuit of continuous improvement; efficiency-focused 

Pitfalls: My-way-or-highway attitude; views collaboration as waste of time; dismissive of others' opinions