James H. McClellan (born 5 October 1947) is the Byers Professor of Signal Processing at the Georgia Institute of Technology.

He is widely known for his creation of the McClellan transform and for his co-authorship of the Parks–McClellan filter design algorithm.

[2] In 1973, he joined the research staff of MIT's Lincoln Laboratory.

In 1975, he became a professor at MIT's Electrical Engineering and Computer Science department before leaving to join Schlumberger.

[1] He received the Acoustics, Speech, and Signal Processing Technical Achievement Award in 1987,[2] the IEEE Signal Processing Society Award in 1996,[2] and the IEEE Jack S. Kilby Signal Processing Medal in 2004 (together with Thomas W.