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Mr. R. Matthew Parrill

Matt is beginning his 15th year overall as an administrator and his 7th year at Dublin Coffman High School and first as the building principal. Along with his current assignment at Coffman, Matt has served in a variety of roles including both a middle school and high school language arts teacher, head football coach, athletic director, and intermediate school principal.  Matt received his superintendent's license from The Ohio State University, master's degree in educational leadership from The University of Cincinnati, and bachelor's degree in secondary education integrated language arts from The University of Akron.  Outside of school, Matt enjoys spending time with his wife Leah and their four children.

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Mr. Ryan McClure

Ryan is starting his 21th year in administration. This will be his eighth year with Coffman. Prior to joining the Dublin City Schools, Ryan served as an athletic director for five years and building principal for eight years. Ryan taught business and physical education classes for six years prior to taking an administrative position. Ryan has his superintendent's license from Ashland University, principal's license from Cleveland State University, master's degree in educational leadership from Defiance College, business education license from the University of Findlay, and bachelor's degree in business administration from Bluffton University. Ryan is married to Beth.  They have four children: Maya, Colin, Deacon, and Cole.

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Ms. Valerie Lawrensen

Val is in her fourth year as an assistant principal at Dublin Coffman High School  and her seventh year in administration. Prior to joining Dublin City Schools, Val served as an assistant principal and teacher at Olentangy Liberty High School. She also has over 25 years of educational experience as a Social Studies teacher and a coach at several high schools including Albany and Saratoga Springs High School in New York and Greenwich High School in Connecticut.  Val received her principal license from University of Dayton, her master's degree from the Sage Colleges in Troy, New York and her bachelor's degree from the State University of New York at Oneonta. Val is married to Bill and has two children in the district: Nick and Emily.

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Mr. Wayne Tsai

Wayne is in his first year as an assistant principal at Dublin Coffman High School.  Prior to joining Dublin City Schools, Wayne served two years as assistant principal at Olentangy High School and 10 years as a math teacher at Hilliard Darby High School.  He also has over 12 years of experience coaching volleyball at the high school, club, and national levels.  Wayne received his principal license from Miami University, his Masters of Arts in mathematics from Otterbein University, and his bachelor’s degree and teaching license from Miami University.  Wayne is married to Korie and are both graduates of Dublin City Schools.  They live in Dublin with their dog Rupert.