Mr. Joseph W. Martinez was first elected to the Rialto Unified School District Board of Education in 2008. He has been reelected four consecutive times and is currently serving his term, which expires in 2024. A retired classified employee and former classified union president, Mr. Martinez is an active member of the Kiwanis Club of Rialto. Affectionately known as “Mr. STEM” due to his passion for technology and STEM education, Mr. Martinez has held various leadership roles on the Board, including President, Vice President, and Clerk. He resides in the City of Rialto with his wife.