Tch Management Team

Eric Cohen, Chief Executive Officer, comes from Birch Lake in Chicago. Eric was a Partner and Managing Director of this organization, which provides consulting and invests in public and private companies experiencing complex business situations. Prior to that, Eric was the Chief Operating Officer at Power Solutions International, Inc. and co-managed a middle market private equity group. Eric has over 20 years of experience at the CEO and executive level in a wide range of industries, and in small to very large businesses, including General Electric Corporation and Midwest Air Technologies. Eric holds a degree in Mechanical Engineering from the University of Wisconsin-Madison and an MBA from Harvard University. 

Guy Harrington, President, is a former special education teacher and principal. Most recently, Guy was the CEO for Hoot Education, where he focused on providing technology enabled professional development and coaching solutions for K-12 school districts and university teacher preparation programs. Guy has held leadership positions for Pearson, Houghton Mifflin Harcourt, and Cambium Learning. He has worked with school districts, state departments of education, and universities across the United States, and focused on providing products and services that positively impact education across all grade levels. He holds a B.S. in Education from Morningside College in Sioux City, Iowa.

Paul Teske, Vice President of Engagement, guides state, district, and school partners in using our subscription-based professional development platform Teaching Channel Plus in relevant and impactful ways. Previously, Paul served as the Director of School Partnerships at Educurious. He was also the educational technology instructor at the University of Washington’s teacher education program, the K-8 Program Manager for Technology Access Foundation, and an R&D Specialist for Renaissance Learning. He started his career as an English teacher. Paul holds a Ph.D. in Education from University of Washington, a certificate in post-secondary teaching, a Master’s in English from the University of St. Thomas, and a B.A. from St. Cloud State University.

Thomas Vogl, Senior Director of Finance is responsible for a wide array of finance and accounting functions as well as Human Resources for Teaching Channel. Thomas was previously Lead Accountant at On Lok, and before that a Staff Accountant and Accounting Analyst with Pasta Pomodoro for ten years. Thomas received a B.A. in Business Administration from VMA Munich, as well as studying at City College of San Francisco.

Gretchen Vierstra, Senior Director of Educational Content, manages Teaching Channel’s video and editorial content. Gretchen began her career in education as an English teacher in the San Francisco Bay Area for 10 years, during which time she also served as a new teacher coach and department chair. Prior to arriving at Tch in 2014, Gretchen was Senior Learning & Development Specialist at Upwardly Global, designing online learning programs for new immigrants. Gretchen holds a Master’s in Education from Teachers College, Columbia University, a Master’s in Public Administration from San Francisco State University, and a B.A. in English Literature from Smith College.

Lindsay Cordero, Senior Director of Product, joined the Teaching Channel team in the spring of 2016 to lead the technical aspects of product design and development. In the past, Lindsay has overseen the design and development of a number of innovative and high-profile e-learning platforms and courses while at Apollo Education Group, Apollo Lightspeed, and University of Phoenix. Prior to that, Lindsay lead large cross-functional, multicultural, and distributed teams and personally built, maintained, and created content for publisher websites at Insidersites, Inc. Lindsay is a Certified Scrum Master and holds a M.A. in Counseling Psychology from Immaculata University and a B.A. in Music Administration from University of Charleston.

Terri Zezula, Senior Director of Marketing, oversees the marketing strategies and activities for Teaching Channel. Following her career as an Elementary and Special Education teacher, Terri entered K-12 Education Technology and led marketing, sales, and product management teams for several companies including Education Access, Pearson, PowerSchool Group, and Scientific Learning. Terri has managed the successful launch of education solutions for student data management, reading intervention, special education, professional learning, and learning management systems. Terri has a BS degree in Psychology from St. Thomas Aquinas College and a MS degree in Urban Education from Iona College in New York.

Chip Fesko, Senior Director of Advertising & Sponsorships, manages these earned revenue activities for Tch's consumer-facing website, after having led all advertising and sponsorships for ten years at Edutopia (George Lucas Educational Foundation). Prior to that, Chip served as SVP of Advertising at the Currier Company, developing innovative brand and audience-consistent content sponsorships. Chip holds an M.A. from the S.I. Newhouse School Of Public Communication at Syracuse University and a B.A. from the State University of New York.


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