Contact ECS Office Hours: Monday - Friday, 8am - 5pm Staff Lara Herrera Administrative Support Coordinator herreralar@sonoma.edu Stevenson 2011 (707) 664-2967 Giselle Perry Undergraduate Advisor perryg@sonoma.edu Stevenson 2009 (707) 664-2051 Chair Ayumi Nagase Associate Professor and Chair nagasea@sonoma.edu Stevenson 2010 707-664-2042