About Us

Rich Thall


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Mr. Thall has over 30 years of experience in product development, software engineering and software project management.  Mr. Thall spent ten years developing expertise in the electronic delivery of educational content at Cognistar Inc. where he developed a state-of-the art platform for presenting and granting academic credit for online video courses.  For the last 8 years, Mr. Thall has been committed to helping K-12 students develop 3D skills through project-based learning.  Mr. Thall is the co-founder of 3DES.

Nandu Vellal


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Mr. Vellal has over 18 years of experience in data integration, software development and project management in the Manufacturing and IT industries. In 2014 Mr. Vellal co-founded Creation Station – a children’s high-tech learning center and makerspace where he has taught digital fabrication programs. As a co-founder of 3DES Inc. Mr. Vellal has re-directed his efforts to apply low-cost 3D Printing, 3D visualization and related technology to foster 3D skills and further STEM education in schools.

Satish Mantripragada

Corporate Strategy and Business Development


Satish Mantripragada is an accomplished business executive, founder & startup adviser with 25+ years engineering and management experience in the IT and Computer Communications fields. His career spans holding several senior business positions at fortune 100 like DEC, HP, Lucent (Acquired Nexabit) & as well as several mid-size companies like Ascend Communications, Sysmaster in the telecom & IT technology space. The roles varied from general management to specific roles in marketing & business management.

He recently developed a startup company in the Ed-tech space using data analytics & mobile applications that was acquired by Pragya Systems in May 2016.

He currently leads Business development & Corporate Strategy at 3D Educational Services.