Don Jefferis

Don is a Partner in the Energy Supply and Trading Group of Opportune. Don has over twenty years of experience, including twelve years as a senior manager and co-founder of Arthur Andersen’s Energy Risk Management Practice where he served numerous clients in the energy and utilities industries. Prior to joining Opportune Don was chief information officer for one of the top energy trading and marketing companies in North America, he has also held a variety of senior management positions in software and consulting firms serving the energy, investment banking and hedge fund industries.