Champions of our own Success

san antonio preparatory “sa prep”

Champions Of Our Own Success


Our Team


Lead founder | ceo

Stephanie Hall Powell

Lead Founder and Executive Director Stephanie Hall Powell served 9 years in the United States Air Force. Four years were spent as a Military Training Instructor (MTI). She started a preschool, kindergarten preparation school and business in Hawaii. She taught 6th – 10th grade Science at IDEA Public Schools and also served as Assistant Principal. She was selected for the nationally recognized Building Excellent Schools (BES) Fellowship, a year-long school design and leadership program that trains founders on the management, design, operations, governance, and accountability of public charter schools. She holds a BA in Psychology from the University of Maryland University College and MEd in Instructional Leadership from Concordia University Texas. She is married to Antuan L. Powell and they have four busy boys.


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board member

Dejah Behnke

Board Member Dejah Behnke is the Vice President of Advancement at Great Hearts Academies. Dejah brings extensive experience in fund development, maintaining relationships with philanthropic communities, project management, and Board Governance.


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board member

Akeem Brown

Board Member Akeem Brown is a consultant and former Interim CEO for San Antonio Growth on the Eastside. Akeem brings extensive knowledge in public policy, Board Governance, community relations, strategic planning, leadership, and critical & creative thinking.  


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board member

Dr. Milton Harris

Board Member Dr. Milton Harris is the Executive Director of the 100 Black Men of San Antonio and oversees all fundraising activities. Milton brings experience in finance, real estate, and mentoring. He is a Professor of business administration, business management, and finance at Brown Mackie.


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board member

Michelle Taylor

Board Member Michelle Taylor is the senior-level sales professional and Regional Sales Trainer with GI Supply Medical Devices. She brings experience in marketing strategies, sales, networking, and guiding organizations to sustainable success.


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board member

K. Andy Tiwari

Board Member Andy Tiwari is an Attorney at Tiwari & Bell, PLLC. Andy brings extensive board governance experience, legal expertise that caters to a broad range of clients, and entrepreneurial experience running businesses like the bar and restaurant he helped found and tutoring company.  


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board member

Xavier Toson

Board Member Xavier Toson is the Stash Media Group Founder and CEO as well as a member of the Rotary International District 5840. Xavier brings marketing and board governance experience from the African American Chamber of Commerce and Breaking Down Walls.


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board member

Stephen Villela

Board Member Stephen Villela is the Creative Producer & CFO at CineVeliz Media Group, LLC. Stephen brings educational experience as a former high school teacher, production experience in featured films, TV, and  commercials, and entrepreneurial experience running his business High Key Media Group.


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board member

Rhapsody Vogt

Board Member Rhapsody Vogt is a Realtor at Vivid Realty. Rhapsody brings experience in education, as a former math teacher, and real estate agent. She sits on the board for Women’s Council of Realtors San Antonio Network and National Association of Hispanic Realtors.