Are  Jeff Mangum and Zack de la Rocha in the same industry?
Zack de la Rocha Zacharias Manuel de la Rocha (born January 12, 1970) is an American musician, poet, rapper, and activist. He is best known as the vocalist and lyricist of rap metal band Rage Against the Machine from 1991–2000 and 2007–2011. He left Rage Against the Machine in October 2000 and embarked on a solo career. With former Mars Volta drummer Jon Theodore, de la Rocha also co-founded One Day as a Lion in 2008.
Jay Roth Jay D. Roth (born October 23, 1946) is an American lawyer who for over two decades served as the National Executive Director of the Directors Guild of America (DGA), the 17,000 member entertainment guild representing the economic and creative rights of directors and members of the directorial team working in film, television, documentaries, news, sports, commercials and new media throughout the world. Following his long-planned retirement in May 2017, Roth began a new role with the Guild as Senior Advisor.