He graduated from Yale Law School in 1973 (in the class with the Clintons), was a Note and Comment Editor of the Yale Law Review, worked for a year on the Watergate cases in Washington, DC as a law clerk for Judge Gerhard Gesell, and has spent the last 38 years practicing tax and employee benefits law in Hawaii. Mr. Fonseca has been on the Board of Directors of the American Civil Liberties Union of Hawaii for more than 25 years and the Board of the National American Civil Liberties Union for more than 15 years.