Ryan York

CIO at RePublic Schools and Director of Computer Science

OK Computer 


After spending three years running a non-profit youth arts organization, Ryan obtained his teaching license and began teaching math at Apollo Middle School in Nashville. During this time, Ryan began developing instructional software that helps teachers create individualized learning plans for their students. After two years at Apollo, he took over as the school's math coach and simultaneously led workshops and after-school clubs teaching computer programming. York joined the RePublic team in the summer of 2014 and has worked to develop a curriculum that can be implemented across the country to teach the skills and core principles of computer programming. He also leads the Nashville Academy of Computer Science, which is an incubator for innovative practices in education.

Ryan received his B.S. in Audio Engineering from Middle Tennessee State University, and is currently working towards his Master's degree in Education at Middle Tennessee State University, with a concentration in Grades 7-12 Curriculum Design. 

Joanna Klekowicz

Director of Computer Science Expansion

Digital Nomad


Joanna committed to the movement for educational equity after witnessing the injustice of the school-to-prison pipeline while tutoring inmates at the Suffolk County House of Corrections in Boston, MA. After college graduation, she joined Teach for America-Memphis. As a 5th+6th grade math and science teacher, she served as the head of Math Common Core in her school, while leading her students to achieve more than 2.5 years of growth. After moving back to her hometown of Chicago, Joanna worked with TNTP-Chicago Teaching Fellows developing high school math teachers and working on summer school math curriculum. She then ventured into the financial sector where she worked as an Investment Consultant and honed business development skills. 

Joanna graduated from Boston College with a B.S. in Psychology with a concentration in Neuroscience and a B.A. in Sociology. She also received her M.Ed. from Christian Brothers University.  

Michael Burgevin

Director of Computer Science Curriculum

The Maverick


Michael joined the RePublic team as a Founding 6th grade math teacher at Liberty where his scholars outperformed students in Williamson County, the highest performing county in Tennessee. While at Liberty, Michael served as a Dean of Students, Grade Level Team Leader, and 7th grade math teacher. Under his instruction, 100% of the 7th grade Algebra scholars scored Advanced on the end-of-course exam. He pioneered the Computer Programming curriculum at Liberty, helping to expand the curriculum across multiple grade levels. Prior to working with RePublic, Michael worked in the Mississippi Delta as a Teach for America corps member where he doubled the school wide math proficiency scores.

He  graduated from Bard College with a double concentration in Global and International Studies and Sociology. 

Katie Bennett

Curriculum Writer and 7th grade Computer Science Teacher



Katie previously worked as an Algebra I teacher in Hammond, Indiana. She was a Teach for America-Chicago corps member at Morton High School, where she was honored as the top first-year teacher. During her time in Teach for America, Katie was involved in fundraising and welcoming new corps members. She works as a curriculum writer for the RePublic Computer Science team where she develops rigorous lesson plans and training materials for teachers. Katie  also teaches computer science at the Nashville Academy of Computer Science and leads workshops and in-person trainings for teachers across the country. 

Katie graduated summa cum laude from Auburn University with a B.S. in Mathematics and a minor in Business.