Thinkwell Group, a global experience design and production agency specializing in the creation of theme parks, major attractions, live events, and museum exhibits around the world, has announced the appointments of Dave Cobb, Cynthia Sharpe, and Chris Durmick to Principals at Thinkwell. The new designation of Principal is reserved for employees who are industry professionals that have built a robust career within the company and the industry, and have shown exceptional leadership qualities, subject matter expertise, and superior client rapport.