Our Story

Active Minds started in 2002 as a series of poetry classes in a church basement in Denver. Before long, it grew to include other courses focusing on contemporary global issues, historical themes, and other matters of importance. The original audience was primarily senior citizens, but over time Active Minds has grown to serve adults of all ages through programming at book stores, libraries, and corporations. Today Active Minds provides programming to over 200 organizations and has over 30 highly qualified instructors on staff. John Henderson and Zane Robertson formed Active Minds out of a deeply felt belief that lifelong learning is central to a life well lived. We are inspired by members of our own families who embodied this spirit and dedicate this work to them.

Our Founders/Partners

Henderson Robertson Sheffield
      John Henderson            Zane Robertson              Kim Sheffield

John Henderson, Co-Founder – John is a master teacher with 20+ years of teaching experience. He received his undergraduate degree in History and Geography from the University of California at Berkeley and his masters degree in Teaching from the University of Chicago.

Zane Robertson, Co-Founder – Zane is an entrepreneur and a former teacher. He is a frequent speaker on lifelong learning and senior education and is a former board member of the Denver Coalition for Seniors and the Denver Commission on Aging where he served as the Chair of its Education Committee. He received his undergraduate degree in Economics from Carleton College in Minnesota and his masters degree in Business from Stanford University.

Kim Sheffield, Co-Owner, Florida – Kim has over two decades of teaching experience, including almost a decade with Active Minds. She received her undergraduate and masters degrees in Education from Bob Jones University in South Carolina. Her advanced studies include French and Education, Université Laval, Quebec; Middlebury College, Vermont; Sorbonne, Paris; Northern Michigan University.

Our Mission & Values

Our mission is to expand lives and minds by providing outstanding educational programs.

Our values are:

  • Life-long learning
  • Strong communities
  • Objectivity
  • Honoring elders
  • Having fun