As a Principal of Arrowstreet, John has specialized in planning and architecture for commercial development. His driving goal is to add value to his clients' properties and enhance the community as a whole, and as a result his innovative solutions have been praised by national publications and design awards alike. John was formerly a professional ice hockey player for a European team, and has led much of Arrowstreet's work abroad in Europe, as well as South America and Iceland. He has also served as a translator for the World Cup and the US Olympics.