At the U.S. Department of Education's Office of Educational Technology (OET), Ji Soo advises policies and leads initiatives to expand equitable access to high-speed broadband, connected devices, and transformative learning opportunities empowered through technology. He also serves as the principal point of contact on interagency collaborations to advance digital equity, including the American Broadband Initiative. Additionally, Ji Soo provides subject matter expertise on digital equity to Department-led external capacity building efforts. 

Prior to OET, Ji Soo was the senior policy advisor at ISTE, where he led the research, analysis, and communication of federal, state, and local policy issues related to digital learning standards, educator credentialing systems, and professional development funding streams. Ji Soo represented ISTE as a board member for the Title IV-A Coalition from 2020 to 2021. 

Ji Soo holds a B.A. in biology and education from Dartmouth College and M.Ed. in education policy and leadership from American University. He was also a 2021 fellow with the Institute for Educational Leadership’s Education Policy Fellowship Program. Finally, Ji Soo served as a City Year AmeriCorps Member in the District of Columbia, where he taught third-grade mathematics and robotics and received the 2018 WilmerHale Civic Innovation Award.