Vincent Iturralde, Graduate Assistant. Vince Iturralde is a contributor on several CUEL development projects. He is also a part-time adjunct professor at Concordia University. He was the founding principal of CPS’ Tarkington School of Excellence, where he successfully coached and mentored 18 individuals to become outstanding principals and district leaders. Vince is currently working on his doctoral degree in the Department of Educational Policy Studies. Vince has worked with CUEL since 2018.