Otter Student Union

OSU Leadership Team

Mission, Vision and Values


The Otter Student Union is the heartbeat of campus and a bridge to surrounding communities, providing spaces, opportunities, and advocacy that cultivate belonging reflective of CSUMB’s founding vision.


The Otter Student Union creates thriving student-centered spaces that support empowerment, authenticity, and Otter pride to cultivate socially conscious agents of change with sustainable connections between students, faculty, staff, alumni, and surrounding communities.


Fostering Communities

Valuing Voices

Cultivating Social Justice

Rooted in Care

OSU Pro Staff

Meet the talented pro staff members here at the Otter Student Union. 

Photo of Jeff Rensel, Director of the Otter Student Union

Jeff Rensel



Headshot of Diana Ballesteros, AD of Operations at OSU

Diana Ballesteros


Associate Director of Operations

Headshot of Vania Silveira, Office Coordinator at OSU

Vania Silveira


Office Coordinator

Headshot of Karina Rios Alvarez, Marketing and Design Specialist at OSU

Karina Rios Alvarez


Marketing & Design Specialist

Headshot of Reno Bianchi, A/V Technical Specialist at OSU

Reno Bianchi


A/V Technical Services Coordinator

Photo of Emily Urrutia, Operations Specialist for the Otter Student Union

Emily Urrutia


Operations Specialist

Mini Monte sitting at the OSU Information Desk in front of the OSU wall logo

Mini Monte


The youngest member of our team, you might have seen Mini Monte around the building, helping with events, or on social media. Clad in his custom made OSU hoodie, Mini Monte loves the atmosphere here at CSUMB and has made the OSU his home. Check out Mini Monte's story and learn more about him. When done, take a virtual tour of the new OSU building led by Mini Monte!