Michael Preston, Executive Director

Michael has developed, implemented, and studied technology and learning for more than 15 years. Prior to joining CSNYC, he designed and led digital learning initiatives at the NYC Department of Education including programs in middle and high school computer science, personalized learning, and digital literacy. At Columbia University’s Center for Teaching and Learning, he led software development projects and research studies on multimedia analysis tools. He has taught courses in psychology and research methods at Teachers College, Columbia University, where he earned a Ph.D. in Cognitive Psychology. He received a B.A. from Harvard University.

Maor Baror, Community Manager

Maor leads the engagement of CSNYC's growing community of individuals committed to K12 CS education. Maor curates the CSNYC Education Meetups, which enable purposeful networking and knowledge-sharing among educators, administrators, technologists, volunteers, and others who support the CS education movement. Maor also manages CSNYC’s communications and social media strategy. Prior to joining CSNYC, Maor was the director of a tutoring company for several years, where she supported students in achieving their academic goals. Maor earned a B.A. from Brown University in Economics and International Relations.

Leigh Ann DeLyser, Director of Education & Research

Leigh Ann is a lifelong advocate of computer science education. At CSNYC, Leigh Ann oversees research efforts and advising and implementing programs that align with the organization’s strategic goals. Leigh Ann is also a co-chair of the CSforAll Consortium, a national network of CS education content providers, school districts, education associations, and researchers devoted to the mission of CSforAll. Leigh Ann earned her Ph.D. from Carnegie Mellon University in Computer Science and Cognitive Psychology, with a focus on CS education.

Serene Gallegos, Director of Development

Serene is a former public school teacher who has devoted her career to improving educational opportunities and experiences for young people in disadvantaged communities around the world. Prior to joining CSNYC, Serene led fundraising initiatives, strategic partnerships, and business development efforts at both an international NGO for orphans and at-risk children as well as a global youth entrepreneurship organization. In addition, she was a hands-on participant in the creation of a unique tech-entrepreneurship program for high school students in NYC—combining coding, marketing, and lean startup principles to introduce students to the local startup scene. Serene graduated with a B.A. in International Relations from the School of International Service at American University and received an M.S. in Special Education at Hunter College.

Jumee Song, Senior Program Manager, CSforAll Consortium

Jumee has 12 years of experience in People Operations and Program/Project Management working for Booz & Company (now Strategy& at PWC) and Tower Research Capital, and recruiting for Google. At Google, she joined the NYC Computer Science Education committee, where she developed a passion to provide underrepresented populations with access to a solid K12 CS education and related careers. Through the CSforAll Consortium, she is excited to create a strategy with concrete deliverables to help all stakeholders working to support the mission of expanding CS for all students. Jumee received a Bachelor’s degree from Northwestern University.

Mary Ellen Sullivan, Director of Industry Partnerships

Mary Ellen Sullivan is committed to helping New York City create opportunities for its students to learn how they can be active, energized, and prosperous players in our digital economy. Prior to joining CSNYC, Mary Ellen led skilled volunteering at NPower – engaging tech professionals in programs that provided underserved students with career readiness, tech career exploration and coding workshops. Mary Ellen forged partnerships with the NYCDOE, other school systems, industry leaders, and curriculum providers to ensure students had real-world experiences with the tech community. Prior to joining the nonprofit sector, Mary Ellen worked as a consultant at Accenture and North Highland, and as an analyst at ExxonMobil. Mary Ellen received her undergraduate degree at Georgetown, and her MBA from Cornell.