He served as chair of the Department of Electrical Engineering from 1986 to 1993, and was vice president, provost, and chief academic officer from July 1, 1993, to 2002.

[1] A specialist in microelectronics, Sedra's research focuses on applications in communication and instrumentation systems, including theory and design of circuits.

His first text book (with co-author Peter O. Brackett) titled Filter Theory and Design: Active and Passive[4] was published in 1978.

Sedra has published about 150 scholarly papers, has guided the research of about 65 graduate students, and has also served as a consultant to industry and governments in Canada and the United States.

[23][24] In 2014, he was made a Member of the Order of Ontario in recognition for his " seminal work which has resulted in major developments in fields ranging from medical technology to wireless communications".