Mark Sass headshot
Colorado Executive Director

Mark Sass (he/him) is the Colorado State Director.  Mark teaches high school history at Legacy High School in the Adams 12 Five Star School District.  In 2000, he was part of the leadership team that helped launch the school.  At Legacy, he has served as a teacher leader, the AP coordinator, and the intervention coordinator. Mark has brought professional learning communities to Legacy and the district and has facilitated the implementation of standards-based grading at the district level.  Mark has been involved in educational reform throughout Colorado and was named one of the 2010 "best of" education reformers in the state by Education Reform Now.  He was a 2014 National Fellow for the Hope Street Group, and served as a U.S. Department of Education Teacher Ambassador Fellow in 2015. He was a Fellow of the inaugural class of the Pahara Aspen Teacher-Leader Fellowship and is a member of the Aspen Global Leadership Network.  Mark sits on the Advisory Board for the Center on Great Teachers and Leaders.