T. A. Gambarotto is a digital programmer and artist from Toronto, Canada.

His Kardionic (2010-13), a hybrid media work exploring various scientific and cultural expressions of the human heart, has been performed at Arraymusic Studio, Interaccess Gallery, NXNE, Toronto Image Works Gallery and Pentimento Gallery (all Toronto) and at the inaugural Understanding Visual Music Conference at Concordia University (Montreal).

His Operations (2011-13), a hybrid media work in which dynamic drum machine patterns are visualized in 3D space, has been performed at NXNE, Pentimento Gallery and Toronto Image Works Gallery (all Toronto).

In 2013 two solo exhibition of his digital art were mounted, at Pentimento Gallery in February and at Toronto Image Works Gallery in July. These consisted of high-resolution prints derived from his audiovisual performance works. Both exhibitions were featured in Now Magazine's roster of Must-See Shows.

He is one half of The Chronologists, a software company making innovative rack extensions for the Reason music production platform.

He is the leader of G Group, an improv techno band.

As Rocky G, he has released five albums of electronic music: Definition (2003), Orchestrion (2006), Variations 1.0 (2008), Variations 1.1 (2009), and Variations 1.2 (2010).

He has worked as a programmer for over twenty years, most notably at Alexa Internet/Internet Archive, where as Web Indexing Engineer he was responsible for collecting what was then one of the largest caches of web data in the world. He currently works at TVO developing software for math education.