Nneka McPhee, Board Chair

Nneka McPhee is an executive-level professional with over fifteen years of experience in resource development and non-profit management. She currently serves as the Director of Development Services for American Associates, Ben-Gurion University, an organization committed to raising awareness and support for an innovative and inclusive University in Israel.  Prior roles have included Chief Operating Officer and Chief of Staff for JEWISHcolorado.  

A Denver native, Nneka is passionate about giving back to her community. In addition to serving on the Board of CHSC, she is a co-founder and active member of the Sisterhood of Philanthropists Impacting Needs (SPIN) and the Treasurer/Secretary for Lincoln Hills Cares. 

Nneka is a 2017 graduate of Leadership Denver and a 2013 graduate of Chamber Connect, a program of the Urban Leadership Foundation. She holds a BS in Marketing from Metropolitan State University.

Greg Mestas, Finance Chair

Greg Mestas has more than 20 years experience in software development for the banking industry.  He is currently the IT Director for Applications Development at FirstBank - overseeing the company's distributed, web and mobile software development efforts.  Born and raised in Denver's Lincoln Park and Highlands neighborhoods, he has a first-hand appreciation for the communities and a personal understanding of the importance of providing educational and professional development opportunities to diverse students of all socio-economic backgrounds. Greg is a veteran of the US Army Reserve and has been an active, enthusiastic volunteer for numerous nonprofit organizations since earning his undergraduate Accounting and Computer Information Systems degrees from Metropolitan State University of Denver as a nontraditional, working student.

Cyndi Bush-Luna, Board Secretary

Cyndi Bush-Luna earned her undergraduate degree and teaching license from Principia College. After teaching a few years, she then obtained an MA in Curriculum and Instruction from CU Denver. Seeing a need to serve students that struggled in conventional high schools, she, along two other teachers and a business manager, opened Colorado High School in 1994. Cyndi continued to teach history while leading the school until 1997. At that time she decided for the school to grow, she needed to focus on instructional leadership. Then in 2001, Cyndi and a committee of staff and Board members applied to DPS for a charter. Under Cyndi's guidance, Colorado High School Charter opened in 2002 as a charter school serving high risk students where she continued to serve as principal until 2013.  Cyndi has served on the Board of Directors since 2014.


Michael McArthur, Board Member

Michael McArthur currently serves as a Pathways Academic Advisor with the Community College of Aurora. He holds a Master of Arts degree in Media Management from Central Michigan University and has served in Higher Education/Student Affairs since 2011. Once considered an “at-risk” student himself, Michael believes in the power of education and thoroughly enjoys assisting students with finding their passion and outlining a path to help them achieve their goals.

Stella Yu, Board Member

Stella was born in Hong Kong and has lived in the U.S. since 1964.  She received advanced degrees in fine arts and arts education and has engaged in teaching, entrepreneurial businesses, government and non-profit work.  In 1997, as Arts Education Director of Denver, appointed by Mayor Webb, Yu founded Arts Street, a National Youth Arts award-winning program for the job-training of youth in the creative arts and technology.  Stella has held multiple leadership roles in educational, artistic, cultural and neighborhood groups, including the CO Asian Roundtable, Asian Cultural Center, Asian Public Media, La Alma Lincoln Park Neighborhood, Osage Mercado, DU Art, DPS Art Advisory, Dragon Boat Festival, and SCFD re-authorization. Retired in 2016, she is serving at The Denver Foundation, Census 2020, and knitting 100 hats for the homeless.

Phyllis Kadison, Board Member

Phyllis's life passions and focuses has been to motivate educate and empower diverse communities and fight against discrimination and contributing to community. Her experiences have varied. A graduate from the City University of New York Brooklyn College, she taught in New York City Public Schools for five years until moving to Colorado in 1974 and received a Masters of Public Administration form the University of Colorado Denver. She was Manager of Equal Employment Opportunity (EEO) complaints processing and trainer for the Postal Service and other federal agencies. She created and implemented a restorative justice program for incarcerated teen women in which they learned the importance of giving back to community through knitting and crocheting while acquiring coping skills and self-esteem. The program has been recognized locally and internationally. 

Ryan Marks, Board Member

Ryan Marks has more than a decade of experience in education and is focused on leveraging evidence-based practices to create better outcomes for students. Ryan joined Colorado Charter School Institute (CSI) in 2014 and is currently the Director of Evaluation and Assessment. Ryan oversees the evaluation of school performance and provides key stakeholders with access to data and research that informs high-stakes decision-making and guides strategic initiatives. Ryan has a Bachelor of Science in Biological Sciences and a Master of Arts in Research Methods and Statistics from the University of Denver and holds his professional teaching license with endorsements in secondary science education, gifted education, special education, and linguistically diverse education. Ryan was selected to participate in National Association of Charter School Authorizers Leaders Program in 2017. Recently, Ryan completed an Executive Leadership Program and received his administrators license. Prior to working at CSI, Ryan was a middle school science teacher in Thailand and Colorado.


Colorado High School Board of Director's Meetings


As an independent, public charter school, the Board of Directors has monthly meetings that are open to anyone who wants to attend. The Board meets on the second Tuesday of each month from 4:00-6:00pm. The Board does not meet in July and December.  Meetings are subject to change so contact the school for more information.


Upcoming Meeting:

Tuesday, June 8th, 2021 @4pm

The CHSC Board does not meet in July. The next meeting will be in August 2021

Remote Meeting Log In Information: 

Meeting ID

Meeting ID

Phone Numbers

(‪US)‪+1 219-654-2322

PIN: ‪243 135 503#


6-8-2021 Agenda

Board Meeting Minutes



April 2021

March 2021

February 2021

January 2021

November 2020

October 2020

September 2020

August 2020

June 2020

May 2020

April 2020

March 2020

February 2020

January 2020

November 2019

October 2019

September 2019

August 2019