ROBERT E. YEN (BOB) is a native of Arizona, born and raised in Phoenix. Following his graduation from Arizona State University's College of Law in 1981, Bob served as law clerk to the Honorable Thomas Tang, United States Court of Appeals for the Ninth Circuit. As a judicial clerk, Bob drafted opinions, orders and memoranda for the Court in cases involving labor and employment issues, Native American water, land and gaming rights, natural resource issues, and immigration. Thereafter, he was associated with a small firm where his practice included Native American water rights, eminent domain litigation, commercial transactions, business formation, election, immigration and civil rights law. His practice emphasis in public employment law and civil rights litigation has taken him to the United States Supreme Court, the United States Court of Appeals for the Ninth Circuit, the United States District Court, the Arizona Supreme Court, and the Arizona Court of Appeals.

Bob served as a faculty member at the State Bar Seminar "The Power of One: Making Cultural Diversity a Reality for the Legal Profession in Arizona" and at the Business Law Forum for Minority and Women-Owned Businesses speaking on the "At-Will" employment doctrine in Arizona. He was a founding director and remains a member of the Arizona Asian-American Bar Association and served as a volunteer and participating mentor in the Maricopa County Bar Association Cultural Diversity Mentoring Program. Bob's community involvement includes service on the Board of Directors for the Phoenix Museum of History and a four year appointment by the Governor to serve as a member of the State Liquor Board.