Roberto Pieraccini (born 15 November 1955 in Genoa, Italy) is an Italian and US electrical engineer working in the field of speech recognition, natural language understanding, and spoken dialog systems.

In May 2023 he joined Uniphore as their Chief Scientist [3] He was the elected Chair of the IEEE Speech and Language Technical Committee (SLTC) between 2007 and 2008, and on the board of several international conferences and events.

He was a member of the editorial boards of the IEEE Signal Processing Magazine and of the International Journal of Speech Technology.

[5] He was elevated to the grade of Fellow of IEEE in 2010 for contributions to statistical natural language understanding and spoken dialog management and learning.

He is the author of The Voice in the Machine,[8] published by MIT Press in 2011, a general audience book on the history, technology, and the business of computers that understand speech.