Heather Howitt knows how to make tough phone calls. Every day, when the CEO of Oregon Chai (#18) goes for a run in Portland's Forest Park, she brings her cell phone and makes her most stressful calls as she slows to a walk through the country's largest urban park. Howitt uses this technique when she has to fire a vendor, discipline an employee, or make any of "those calls that have been eating at me for a week," she says. The relaxed atmosphere helps her defuse the tension, she adds. "When I'm out jogging, it's like a combination of meditation and recess. That's where I can collect my thoughts, and because I'm relaxed, I can think and speak more clearly."

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