Manual Leadership



Assistant Principal Dr. Colleen O’Brien

Dr. Colleen O’Brien

Dr. Colleen O’Brien is thrilled to be the Assistant Principal at Manual High School.   Colleen is a National Board Certified Teacher who, in her 21 years in the classroom, taught more than 3,000 middle and high school students democracy skills including critical reading, argumentative writing, persuasive speaking and deep thinking skills. She has supported teacher growth as instructional coach for more than a decade and specialized in creating literacy lab classrooms in cross content high schools classrooms.  Colleen is a long time DPS parent and brings 23 years of experience from Cherry Creek Schools to DPS. Colleen has a Doctorate in Leadership in Equity in Education, a Master’s Degree in Educational Technology, and undergraduate degrees in history and political science.


Assistant Principal Douglas Clinkscales

Assistant Principal Douglas Clinkscales

Doug Clinkscales has worked at Manual since the school reopened in the 2007 – 2008 school year.   He taught social studies for 5 years and served as the school’s head football coach from 2009-2013.  Clinkscales has been the school’s athletic director since 2011.

Chris DeRemer, Dean of Students

Chris DeRemer

Chris DeRemer is a teacher and Dean of Students at Manual High School in Denver, Colorado. He is currently a Catapult Leadership Fellow and Educator Voice Fellow through America Achieves. Before starting at Manual, Chris was a teacher in the Adams 12 School District and at Logos International School Phnom Penh, Cambodia. While overseas Chris also started Cambodia Bike Project which provided bicycles to help at-risk youth attend school. He received both is B.A. and M.A. from the University of Colorado at Boulder. He lives in Denver with his wife Leanne and his son, Hayes. You can find Chris online at or on Twitter at @DeRemerEdTalk.

Kristen Moreland, Dean of Instruction

Kristen Moreland

Soul supporter.  Language Artist. Social Justice Warrior.

After teaching middle school language arts for 15 years on 3 different continents, Kristen transitioned to be a full time instructional coach in 2013.  A former Peace Corps volunteer, Kristen continues to demonstrate her commitment to equity as she supports the growth of culturally responsive educators both at Manual and district wide. In addition to providing differentiated coaching for the teachers she supports,  she serves as an Adjunct Professor at the University of Denver for the Denver Teacher Residency program, teaching courses in Urban Education, Culturally Responsive Pedagogy, and Literacy in Secondary Math and Science classrooms.  Trained in Cognitive Coaching, Adaptive Schools and Facilitative Leadership, Kristen has a Bachelor’s degree in English literature from the University of Colorado, and Masters degrees in Social Work and International Development from the University of Denver.