Another identifier of a design technologist is that they don’t quite sit with designers, they don’t quite sit with developers, but they’re not isolated from either. A design technologist can be a great way to bridge a design/development divide in a multi-skilled team.
Take charge. Once those principles have been set, don’t overdo democracy. Prolonged, emotionally charged debates can lead to a design that mashes everyone’s ideas together and lacks a strong personality. When in doubt, refer back to the guiding principles.