Jeffrey R. Chasnov is an emeritus professor of mathematics at the Hong Kong University of Science and Technology, where he began teaching in 1993 and retired in 2026. He was born in New York, and earned his BA from UC Berkeley and PhD from Columbia University, with post-doctoral fellowships at NASA, Stanford, and Grenoble, France, and a sabbatical semester at Harvey Mudd College. He is the author of numerous research articles in fluid turbulence and mathematical biology, and has authored online textbooks and videos for his university courses on differential equations, matrix algebra, mathematical biology and scientific computation.