Site Representatives 2025

Site Representatives are the chapter heralds, providing news and information about chapter business and activities to chapter members. As a site rep, you help to build and strengthen our membership and our Chapter. The Site Rep is also often the first contact with the chapter a new employee makes.


Chrystin Green Site Rep Coordinator- (909) 274-5703

Ashley Gallegos (Design and Construction) - (909) 274-4243

Ashley Marin Hernandez (Natural Sciences) - (909) 274-5215

Brandon Gillett (Business Division) - (909) 274-4928

Carlos Duarte (Public Safety) - (909) 274-4555

Cathy Hayward (Design and Construction) - (909) 274-5276

Cindy Hsieh (Financial Aid) - (909) 274-4454

Cynthia Orr (Marketing and Communication) - (909) 274-4121

Gloria Munguia (Student Services) - (909) 274-5352

Jessica Draper (Natural Sciences) - (909) 274-4439

John Orr (Human Resources) - (909) 274-6853

Justin Barber (Financial Aid) - (909) 274-5880

Keith Fort (Radio, Television) - (909) 274-5397

Lisa DiDonato (Research and Institutional Effectiveness) - (909) 274-6385

Liz Estevez (Upward Bound) - (909) 274-4411

Lupe Medina (Child Development Center) - (909) 274-6512

Lynn Matthiesen (Bridge Program) - (909) 274-4682

Maria Vaughn (Natural Sciences) - (909) 274-4427

Martin Escarcega (Admissions and Records) - (909) 274-5581

Melissa Andrewin (Design and Construction) - (909) 274-5736

Pattie Duffy (Information Technology) - (909) 274-4611

Raelyn Alvarez (International Student Program) - (909) 274-4849

Robin Cash (Learning Assistance) - (909) 274-6601

Rosa Asencio (Career Center) - (909) 274-5941

Sheryle Portillo (School of Continuing Education) - (909) 274-5461

Val Biller (Audio Visual Services) - (909) 274-4272

Xochilt Vallarta (Financial Aid) - (909) 274-4450