SAN MATEO, CA: Bob Angus will step down as president at A&R Edelman in May, giving up day-to-day management of the tech firm he cofounded and sold to Edelman in 2006. He will also relinquish his role as chair of Edelman's global tech practice at that time.

Todd Irwin, GM and EVP, is handling daily operations of A&R, effective immediately. Angus will serve the firm in an advisory role as chairman.

Angus cofounded A&R Partners in 1986, and two ...