First Term: 1993 - 1999
Second Term: Elected June 2011 – June 2014
NOLS Courses: 1978 Wind River Mountaineering
In 1978 Duncan was an expedition member on an advanced mountaineering course in the Wind River Mountains. Duncan was invaluable to NOLS as a key member in the Next Step Expedition Campaign as the Co-Chair of the Advisory Committee. Duncan served on the NOLS Board of Trustees from 1993 to 1999 and also served as Co-Chair of the Development and Alumni Relations Committee, and was a member of the Executive, the Planning, and the Nominations Committees. He has, he reflected, "Over the past 35 years, I have consistently applied the skills that I learned at NOLS in both professional and personal settings."
Duncan is Founder and President of Highcroft Racing, two-time American Le Mans Series champions – one of the world’s most competitive sports car championships. Equally talented as both a team owner and driver, Dayton holds the record at the Monaco Grand Prix historic event for the most ever wins—11.
Additionally, Duncan is president of Tamarack Investments, Inc., an award winning real estate development corporation. He is past Chair of the Board of Directors of the Okabena Company, a diversified investment management company with over $1B under management. His interests include architecture, skiing, motor racing, and the environment. He is a Trustee of the Tamarack Foundation, a former Chair of the Board of Trustees and a Trustee Emeritus of Connecticut College, and a former trustee of the Oakleaf Foundation. Duncan is a 1977 alumnus of the Blake Schools. He received a BA in government from Connecticut College in 1981 and his MA in design studies from Harvard University in 1993. In 2003 Duncan received the Connecticut College Medal, the College's highest honor.