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SASTEMIC is a San Antonio-based 501c3 advocacy group and connectory for Science, Technology, Engineering and Math (STEM). We are “the go-to organization for STEM in San Antonio”. Our mission is to advance STEM education and economic development to bolster the connections between K-12, college, industry, and government for the San Antonio area.


We are Education

Supporting STEM education stakeholders from Pre-K through College is our primary mission. By helping to advance creativity, making, and discovery in all learners and teachers we encourage innovation and growth, leading to a talented and prosperous society.


We are Industry

By encouraging industry aligned STEM education programs, we believe that Industry should advocate for education standards and practices. We meet with Industry partners to learn their talent needs, and focus on the preparation of innovative professionals.


We are Community

Through valuing community building initiatives and ensuring Collective Impact with other San Antonio economic development focused organizations, we assist the community in helping students reach their potential and bring in sustainable industry growth to the area.

The STEM Connectory

Our connectory supports the needs of STEM education with its presence in schools, outreach events designed for family engagement, educator resources, bringing national programs to area students and a collaborative radio show; allowing SASTEMIC to connect all of San Antonio’s STEM community.

Our Team

The SASTEMIC team utilizes it's founders in industry and programs to advance the education of our youth. Below are the directors and members of SASTEMIC.

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    Scott Gray

    Founding Chairman

    Scott is an aerospace defense industry executive with over 25 years of experience in the San Antonio community and is the president of a newly formed engineering company in San Antonio, Elevate Systems.

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    Andrew Schuetze

    Board Director

    Andrew is a Success Coordinator and Instructional Facilitator with the Anne Frank Inspire Academy and an Affiliate Partner with FIRST. He is also the founding Director of the Texas Institute for Educational Robotics (TIER) at Northwest Vista College.

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    Cliff Zintgraff


    Cliff Zintgraff is a computer scientist, educational technologist and entrepreneur while acting as a Director of Sastemic and managing the Radio Programs. Cliff is CEO of DaVinci Minds. He also leads international programs that combine STEM education and entrepreneurship that help develop regional economies.

  • Joe Sanchez

    Joe Sanchez

    Board Director

    Joe is a Senior Executive with the Air Force supporting joint and local activities involving intelligence, information operations, technology, innovation and educational issues. He is a local leader that is heavily involved in establishing and supporting programs for Cyber Security.

  • Patrick Felty

    Patrick Felty

    Board Director

    Patrick is the Chief Operating Officer for Prism Technologies Group. He also serves as the Regional Director for FIRST, which holds the largest robotics competition in the US, here in San Antonio.

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    Melody Crabb

    Executive Director

    Melody served as the assistant and interim director of the STEM Ram Academy for 5 years, founded CAST (Child Advocacy Support Team) and served in leadership roles for 9 years at elementary, middle and high school campuses.

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    Mark Barnett

    Director of STEM Programs

    Mark is a professional STEM advocate who has worked in schools, nonprofits, and government agencies for almost 10 years. Mark is dedicated to educational equality and advancing STEM education in San Antonio. Follow Mark on Twitter @Maker_Mark

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    Tanja Hernandez

    Operations Manager

    Tanja is responsible for contracts, logistics, event planning and coordination of all Geekbus programs. She has a background in economics and public administration, which helps to align our programs with city and county education initiatives for economically disadvantaged families and students.

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    Christopher Doege

    STEM Outreach Support

    Chris is a college student at the University of Texas at San Antonio pursuing his degree in Computer Science. He has supports SASTEMIC in the areas of technology, teaching, and outreach with school age students in underserved communities in the San Antonio region.

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    Ryan Cataldo

    AmeriCorps MakerEd VISTA

    Ryan aims to build our organizational capacity through our volunteer programs, raising STEM education awareness in Title 1 schools, and assisting with the implementation of our Out of School Time sessions.



SASTEMIC is proud to be sponsored by the following companies that help fund our projects and aid us in our goals.

Contact Us

Mailing Address: 24870 Blanco Road, Suite 103 San Antonio, Texas 78260
Phone: 210.807.9981
E-mail: info@sastemic.org
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Calling all VOLUNTEERS!

SASTEMIC is looking for passionate STEM talent to volunteer or mentor with our connectory.  Please fill out the form and give back to San Antonio students today!


Click Here to Join!