Duncan’s involvement in politics started at an early age as he walked door-to-door campaigning for his father in Brenham, Texas. A love for politics was formed and in 1984, he was selected as a Delegate to the Democratic County Convention in Walker County, Texas and that same year, was selected as an Alternate Delegate to the State Convention. In 2008, he served as a Democratic Caucus Chair in Precinct 74 (Jersey Village) during President Obama’s successful primary run.
Duncan and his wife, Marissa Colunga Klussmann are very involved serving in the greater Houston community. Marissa is a faithful volunteer at the Memorial Assistance Ministries and has volunteered at the teacher recognition dinner with the Spring Branch Educational Foundation for many years. Duncan now serves on several non-profit boards and he remains active with numerous community groups.
Currently, Duncan is a Clinical Assistant Professor at the University of Houston. He served as the Superintendent of Schools in Spring Branch Independent School District (SBISD) from December of 2004 until June 30, 2015. Prior to this appointment, Duncan served as an interim superintendent and area superintendent for SBISD. His vast experience includes serving as a classroom teacher in Huntsville and Humble, assistant principal in Spring ISD, and school principal in Spring Branch ISD.
During his 11 year tenure as Superintendent of Schools in SBISD, the school district passed the largest bond program in the history of the school district at the time. The $597 million program replaced 13 aging elementary schools, renovated all remaining campuses, provided for new school buses, enhanced athletics facilities, and greatly expanded technology use in the school district. The original program called for the work to be accomplished over a 10 year period of time. As the result of a carefully designed management program, the bond work is scheduled to be completed well ahead of schedule with significant financial savings.
In addition, Duncan worked closely with the Board of Trustees, community, staff and students on the creation of the Spring Branch Plan 2012-2017 Goal and Belief Statements. Utilizing a single-focused goal, SBISD will double the number of students completing a technical certificate, military training, two or four-year degree. This ambitious goal is referred to as Spring Branch T-2-4.
Duncan has twice served as president of the Texas School Alliance, an association of 39 of the largest and most influential school districts in Texas. He was named one of three 2014 Houstonians of the Year by the Houston Chronicle. Duncan is a member of the Fall 2015 Pahara Institute at the Aspen Institute. A recipient of the Lifetime Member Award from the Texas Parent and Teacher Association, Duncan received the TABE Honoree Award for Public Education in 2012.
A native of Brenham, Texas, Duncan received a BBA in Finance and International Business from the University of Texas at Austin. He earned a master’s degree in education from Stephen F. Austin State University in Nacogdoches, Texas. In 2004, New Jersey-based Seton Hall University awarded him the doctorate in education.