Office of the Superintendent

John Marschhausen, Ph.D.


John joined the Hilliard City School District in the summer of 2013. He has his Bachelor of Arts in History/Political Science from Wittenberg University and his master’s degree from the University of Dayton. He earned his Doctor of Philosophy, Education from Capella University. As superintendent he supports administrators and principals in their every day jobs so teachers can do what they need to do to prepare every student for tomorrow. His main focus is to be the person ultimately responsible for removing barriers so students can grow to be thinkers, learners and self directed in all areas of life.

John is married to Susan who is a teacher in the Dublin City School District. They have two daughters. His hobbies include running, reading and just being a dad.

Tim Hamilton

Assistant Superintendent

Tim joined the Hilliard City School District in 2000. He has his bachelor’s in elementary education from The Ohio State University and his master’s in education also from OSU. His main focus is on supporting operational aspects of what kids need for a greater learning environment. He wants kids to feel safe and help them get turned on to whatever curriculum avenue is available. He works with many areas of the district, including technology, transportation, food service, policy review and construction projects. He works to stay a step ahead of the traditional roll of education and wants to lead the district in community engagement.

Tim is married to Cheryl and they have three kids and seven grandkids. He has horses and enjoys spending time with family outdoors.

Leslie McNaughton

Assistant Superintendent

Leslie started with the Hilliard City School District in 1992. She has a Bachelor of Science in Education and a Masters in Administration. As assistant superintendent she works with just about every aspect of a student’s life. Her main areas of focus are on parent satisfaction, data, support services, curriculum, professional development, registration and human resources. Above all, she collaborates with all departments to make sure each student has a personalized experience and is ready for the next step in life.

Leslie is married to Bob and they have five children and two grandchildren. Her hobbies include travel and spending time with family.