Judge Lewis is the Supervising Judge for the Los Angeles County Family Law Division overseeing the operations of the sixty family law departments in the county.  From 2014 to 2016 he served in a long cause family law trial department in Los Angeles; he was Assistant Supervising Judge of the Family Law Division from 2011 to 2014. Judge Lewis became a Certified Family Law Specialist in 1985 and was inducted into the American Academy of Matrimonial Lawyers (AAML) in 1987.

He was inducted as a Fellow of the International Academy of Family Law in 2016.  He served on the Family Law and Juvenile Advisory Commission until 2014; and he is a past faculty member for the judicial training committee for Family Law (CJER). He is a past president of the California Chapter of the Association of Family and Conciliation Courts.

He is also a contributing author of The Rutter Group’s California Practice Guide: Family Law and serves as Program Director for CFLR for the update program, the advanced family law program, the basic training program, the evidence programs, and the expert series programs. In 2010, he was awarded the Outstanding Jurist Award by AAML’s Southern California Chapter, and in 2014, he became the first emeritus member of the Association of Certified Family Law Specialists. In 2015, he received the Los Angeles County Bar Association Family Law Section Spencer Brandeis Award, the highest honor bestowed by them.  In 2016, he received the Southern California Inn of Courts, Outstanding Jurist Award.