Chang was named dean of the engineering school in 2022 after serving as interim dean. At Columbia Engineering, he leads the School’s education, research, and innovation mission, and directs the development of cross-disciplinary initiatives and research collaborations. He has greatly contributed to the growth and advancement of the School, propelling it to be one of the top engineering programs in the nation and has played a key role in developing the School’s guiding vision, Columbia Engineering for Humanity.
A highly influential expert in multimedia, computer vision and artificial intelligence, his research has led to a number of spinoff companies and licensed technology in multimedia search. The image search tools developed by his group have been used by law enforcement agencies in fighting online human trafficking crimes. He has also developed AI tools for online disinformation detection and attribution.
In addition to his election to the NAE, Chang is a Fellow of the National Academy of Inventors, the American Association for the Advancement of Science, the Association for Computing Machinery, and IEEE, and an elected member of Academia Sinica. He received an Honorary Doctorate from the University of Amsterdam and the Great Teacher Award from the Society of Columbia Graduates. He is the inaugural director for Columbia Center of AI Technology in collaboration with Amazon. He received his BS from National Taiwan University in 1985 and his PhD from the University of California-Berkeley in 1993.