Cengiz Karatas taught in schools in St. Peterburg/Russia between 1996-2000, and in Moscow/Russia between 2001-2004. He worked as a college guidance, dean of academics, and principal at Horizon Science Academy Cleveland High School (HSA), managed by Concept Schools, between 2005 and 2010. During his tenure, HSA had a 100 percent college acceptance rate. It received a rating of excellent and the School of Promise Awards by Ohio Department of Education, bronze medals by U.S. News and World Report, National Blue Ribbon award, and the Title I National School of Distinction Recognition. He was the founding principal of Gateway Science Academy of St. Louis in 2010-2011. He served as Organizing Committee Chair of Chicago International Conference on Education and National STEM Conference at Concept Schools between 2012 and 2015. Since 2016, Mr. Karatas is the Executive Director of Future Institute, which is a branch of Concept Schools, supporting over 4,000 Concept graduates from 12 high schools in 5 Midwest states to ensure transition, college persistence, and career readiness.