Our Team
Stephen Fleenor, PhD
Chief Digital Officer
Stephen is leading digital content development for Seidlitz Education. He has served with Seidlitz Education as an educational consultant, and prior to that served as a teacher and instructional coach in a Title I district in San Antonio, TX. Stephen has a BS in Biology from the University of Texas at Austin, a PhD in Developmental Biology from Oxford University, and a MEd in School Leadership from Incarnate Word University.
Contact Stephen
Areli Amador
Content Developer
Areli is developing Math and Social Studies visuals, and she is also responsible for transadapting all visuals into Spanish. She previously served as a dual-language, self-contained 5th-Grade teacher in a Title I district in San Antonio, TX, where she used visuals from the VNG with her students. Areli has a BS in Psychology from Texas A&M University.
Contact Areli
Leon MacCormack
Content Developer
Leon MacCormack is developing secondary Social Studies visuals. He previously served as a high school Social Studies teacher at a Title I district in San Antonio, TX. Leon has a BS in Anthropology from Texas State University at San Marcos.
Contact Leon
Grecia Martinez
Content Developer
Grecia is a secondary Social Studies teacher and is developing secondary Social Studies visuals. Grecia has a BA in International Relations and Global Studies from The University of Texas at Austin.
Contact Grecia
Isaac Márquez
Content Developer/Consultant
Isaac is developing science visuals and conducting training for The Visual Non-Glossary. Isaac also serves Seidlitz Education as an educational consultant, specializing in teaching science to emergent bilingual students. Isaac previously served as a bilingual instructional specialist, an instructional technology specialist, and a bilingual science and math teacher. Isaac has a BS in Business Administration from The University of Texas at Dallas.
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Julie Gibson
Content Developer
Julie is a bilingual elementary science facilitator in Lewisville ISD and is developing elementary math visuals. She has previously served as a self-contained dual language teacher of a diverse population, including emergent bilingual students. Julie has a BA in Spanish from Texas A&M University.
Contact Julie
Alejandro Pérez González
Software Developer
Alejandro is innovating The Visual Non-Glossary website and other platforms for Seidlitz Education, as well as creating automation systems, such as pre-made lesson plans. He is in his senior year as a Computer Science major at the University of Houston.
Contact Alejandro