[5] His career began in the Netherlands in 1978, working at Philips Gloeilampen Fabreiken on designing bipolar differential amplifiers.

[1] From 1979 to 1991 he worked at Hughes Aircraft Company, developing a large variety of integrated circuits for US military and commercial applications.

[8] In October 2015, he was inducted into the University of California, Irvine, Engineering Hall of Fame.

[11] Friedman is a member of the editorial board of the Journal of Low Power Electronics and Applications.

[citation needed] He was General/Program/Technical Co-chair, for the 1997 International Workshop on Clock Distribution Networks.