Complex sentence: Chew resigned his position on May 25th, 2014 and is currently serving as a Media Arts Director (formerly a Tech and Media Associate) at The River Recovery Church in San Leandro, CA.
Split into simpler sentences: Chew resigned his position on May 25th, 2014. He later served as a Media Arts Director (formerly a Tech and Media Associate) at The River Recovery Church in San Leandro, CA.