David J. Malan

David J. Malan is the Gordon McKay Professor of the Practice of Computer Science at Harvard University, affiliated with the School of Engineering and Applied Sciences and the Graduate School of Education. He teaches CS50, Harvard's largest computer science course, which has over 6M registrants globally. His roles span Harvard Law School, Extension School, Summer School, and former residency at GitHub. Courses are freely available as OpenCourseWare, with 1.9M+ YouTube subscribers.

Research focuses on AI integration in education, programming environments, and scalable teaching methodologies. He emphasizes standardized cloud-based tools, generative AI for personalized assessment, and cross-institutional collaboration. Notable contributions include containerized student environments and AI-driven debugging tools like the CS50 Duck.

Publications highlight AI in pedagogy, courseware innovation, and pandemic-era teaching adaptations. He advocates for equitable access to computer science education, leveraging open resources and partnerships. Recent work explores generative AI's role in assessment and student feedback systems.