Our MissionSee how and why we work in education.

Our Mission

Our mission is to support preK-12 public education through instructional staffing partnerships—providing access to quality teachers, resources, and support—​and comprehensive, practical, and meaningful teacher education programming.

Going Beyond Academics

Kreyco is committed to more than just academics. Kreyco is grounded in holistic educational practices that prioritize developmentally and age-appropriate instruction; social-emotional learning; diversity, equity, and inclusion; and sociocultural competence.

A Curriculum Committed to Excellence

Our teachers are equipped with quality curriculum, materials, and resources that meet state and national standards, are rooted in the art and science of learning, and prioritize age- and developmentally appropriate practices.

Meet the Team

Sean Kreyling's picture
Sean KreylingChief Executive Officer
Sierra Battaglia's picture
Sierra BattagliaDirector of Operations
Julissa Estrada's picture
Julissa EstradaDirector of Partnership Development
Mariana Dussan's picture
Mariana DussanDirector of Educational Technology
Marta Ramos's picture
Marta RamosDirector of Teacher Effectiveness
Sandra López Lorente's picture
Sandra López LorenteDirector of Curriculum Development
Jennifer King's picture
Jennifer KingDirector of Talent Acquisition
Taylor John's picture
Taylor JohnDirector of Compliance
Rima Lindsey's picture
Rima LindseyDirector of Teacher & Partner Success
10+Years of Serving School Communities
300+Partner Schools Nationwide
15+Subject Areas Covered Across PreK–12
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