Executive Director

Ed Nichols is a fourth generation Coloradan with an extensive background in business and community service. He has experience with large corporations (IBM) and entrepreneurial initiatives, with positions on both cultural and education nonprofit boards. He is well versed in fundraising and implementing strategic planning for nonprofit organizations.  Ed previously served as both the President and CEO of History Colorado, and head of the State Historical Fund (SHF). He also served as Colorado’s State Historic Preservation Officer (SHPO).  As a Colorado state agency, History Colorado operates the flagship History Colorado Center in Denver and eight other museum sites across the State of Colorado. The new History Colorado Center, a $142 million headquarters and museum, opened in April 2012 under Ed’s leadership.  His philanthropic experience includes directing the $32 million Make History Colorado! Capital Campaign of the new center and his service as CEO of the $10 million annual grant funding program of the Colorado State Historical Fund (SHF). Ed has a BA in Science from Williams College and MBA in Marketing from Northwestern Kellogg School of Business.



Executive Program Director

Kristen Kaiser joined TJS in 2015 as Director of Operations, and recently became Executive Program Director. She is responsible for working closely with the Executive Director and Director of Finance in overseeing operations and budget. Kristen also works closely with the program directors at the three campuses, overseeing programming. Kristen serves as LEND Family Discipline Director at JFK Partners, UC Denver School of Medicine, teaching and mentoring multidisciplinary professionals on disability and the family experience. There she spent the past 12 years in autism research, developing and implementing family support programming for families newly diagnosed with autism spectrum disorder. Currently Kristen holds a Masters in Public Health from the UC School of Medicine, BA in English from University of California, Santa Barbara and an MLA in English and American Literature from Harvard University Extension School. 

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Special Education Director

Martha Muth serves as Special Education Director over all three campuses, acting as liaison to CDE and responsible for regulatory compliance. She is also the educational director and school administrator for The Joshua School, Boulder campus. She joined TJS in 2015 from a residential treatment facility.

Martha holds a BS in Special Education from Metropolitan State University and an MA in School Administration and Supervision from The University of Phoenix. She holds Special Education Director and Principal Licenses, a Special Education Professional License with Elementary Endorsement.



Finance Director

Jewell Weber serves as TJS Director of Finance where she is responsible for all matters related to the planning, supervision and monitoring of school budgets, operational expenses and planning. She has over 20 years experience in non-profit Finance and Accounting. Jewell holds a BS in Accounting.

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Human Resources Director

Cindy MacDonald joined TJS in early 2019 as Human Resources Director and is responsible for leading initiatives focused on maximizing the TJS employee experience. She collaborates closely with the TJS leadership and HR teams to design and implement talent acquisition and development strategies that align with the TJS strategic plan. Cindy brings over 20 years’ experience in the Human Resources field in both Canada and the U.S. in a variety of industries. She holds a Bachelors in Business Administration degree and has a SHRM-SCP certification

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Program Director - Transition, Englewood

Kate Loving serves as Transition Program Director for The Joshua School Englewood campus. She joined TJS in 2017 from Colorado Department of Education, where she has spent the past 7 years. As an ASD Specialist for CDE, Kate provided consultation and coaching for districts around the state, and the past 4 years with districts throughout Wyoming implementing evidence-based practices for students with ASD and IDD. In her years in private practice as a BCBA, Kate specialized in working with young adults with ASD and significant behavioral and communication needs. 

Kate holds a BS in Human Development and Family Studies from Colorado State University, a Masters in Special Education from Portland State University, and is a Board Certified Behavior Analyst (BCBA) through Florida Institute of Technology.

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Program Director - School-Age, Englewood

Leigh Cooper serves as the School Age Program Director for the Joshua School Englewood Campus. She joined TJS in 2021 after moving to Denver from New York City. For the 11 years prior to her move, she received hands-on training in ABA through serving various roles at the NYC Autism Charter Schools where she worked closely with school-age students with ASD and IDD and their families. She began there as a classroom instructor, and after graduate school began to work as a Clinical Supervisor overseeing student programming and classroom staff training. She then helped to open and run their second school in the South Bronx. Immediately prior to joining TJS, Leigh served as the Clinical Development Supervisor and was responsible for the continued oversight of student programming and behavior management, staff training and performance evaluations, the professional development of new supervisory staff, conducting outreach workshops and professional development training, as well as running the school research committee. 


Leigh holds a B.S. in Biospsychology from Tufts University, an M.S. in Neuroscience and Education from Teachers College, Columbia University, and is a Board Certified Behavior Analyst (BCBA) through Florida Institute of Technology.

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Program Director - Secondary School-Age, Englewood

Mia joined TJS in May 2019 as a BCBA/Behavior Specialist in the Transition program. Since then, Mia worked across classrooms and programs as a BCBA before recently accepting a Program Director position of the Secondary School Age Program in Englewood, Colorado. Prior to TJS, Mia worked as a BCBA and Clinical Supervisor, providing ABA services in family homes and center-based settings and supervising teams of BCBAs. Mia moved to Denver from Chicago, Illinois in 2016. 


Mia holds a BS in Communication Sciences and Disorders from Saint Xavier University, a Masters of Science in Applied Behavior Analysis from The Chicago School of Professional Psychology, and is a Board Certified Behavior Analyst (BCBA) through The Chicago School of Professional Psychology.

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Campus Director - Boulder

Amanda Mecker serves as Program Director at The Joshua School Boulder campus. Prior to her move to Colorado and joining The Joshua School in 2021, Amanda worked as a BCBA and Director of Clinical Services in schools and homes across New York and New Jersey. With greater than 13 years of experience in Applied Behavior Analysis, Amanda comes to The Joshua School with an interest in designing and implementing comprehensive curricula to support students in achieving their greatest potential based on their individual strengths and areas of continued growth. 


Amanda holds a BS in Psychology from Rutgers University, and an M.Ed. in Special and Elementary Education from the Rutgers Graduate School of Education. Additionally, Amanda is a Board Certified Behavior Analyst (BCBA), and Licensed Behavior Analyst in the state of New York (LBA).

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Program Director - Joshua Early Childhood Center

Bio pending

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