Executive Staff

Dr. Emilio Ulloa

PhD in Social Psychology
Associate Professor of Psychology

College of Sciences Director of Advising

Office Hours: By Appointment
Email: emilio.ulloa@sdsu.edu
Office Phone: 619-594-2569

I think the SDSU College of Sciences Student Success Center (CoS SSC) is going to be a great resource for CoS students. We are going to work hard to find creative ways to support all College of Science students through academic advising, programming, and access to academic and career development resources, and opportunities. We want you all to know that this center belongs to you- your input, your needs, and your experience are important to us. So please stop by as often as you can to see what’s new.

Dr. Stacy Ochoa

Ph.D. Biology
M.Ed. Education
Department of Biology Lecturer

College of Sciences Associate Director of Advising

Office Hours: By Appointment
Email: sochoa@sdsu.edu
Office Phone: 619-594-1152

I am excited to be part of the College of Sciences Student Success Center (CoS SSC). At the center we want to support you to successfully navigate this important step towards the successful career of your choice. We are here to provide advice and mentorship. Feel free to stop by anytime and frequently with questions or problems about classes, study abroad information, career advising, and research opportunities or just to check in. Make sure to look through the rest of our website for opportunities and for more information.

Marisa Reynoso

M.A. in Education with a concentration in Counseling

College of Sciences Academic Advisor

Office Hours: M-F 9:00am-4:00pm
Email: mreynoso@sdsu.edu
Office Phone: 619-594-1124

As an Academic Advisor in the CoS Student Success Center, I am dedicated to your success! My role is to support all CoS students through individual academic advising, providing access to academic and career development resources while also offering guidance and personal counseling related to self-awareness and personal, professional growth. My goal is to be your professional advocate, let’s work together to ensure you get the appropriate advising necessary to efficiently progress through your major while preventing barriers to learning. Please come visit soon, no appointment is necessary!

Rosalynn Ayala

M.Ed. Postsecondary Administration and Student Affairs

College of Sciences Academic Advisor

Office Hours: M-F 9:00am-4:00pm
Email: rayala3@sdsu.edu 
Office Phone: 619-594-1148

As an academic advisor, I take a student centered approach to support students in their journey towards their academic and professional goals. I am a student advocate and I am committed to partnering with students to access resources and take ownership of their academic plan. Please stop by and visit us! 

Bianca Aviña

Program Assistant – IMSD Program

B.A. Sociology
M.A. in Progress – Postsecondary Education & Student Affairs

Office Hours: Th 9:00-11:00 am
Email: bavina@sdsu.edu
Office Phone: 619-594-6447

I am excited to be an executive research advisor for the COS Student Success Center and assist students on their academic journey toward research! My role is to assist in familiarizing students with what undergraduate research entails and how to become involved in a lab on campus. I can help you navigate how to choose a lab you are interested in, reach out to potential research mentors and construct an introductory email for joining their lab – we will work together to find the research lab that fits you best!

Maureen Crawford

International Coordinator and Internship Coordinator

Office Hours: W 1:00-3:00 pm
Email: mcrawford@mail.sdsu.edu
Office Phone: 619-594-1813

Our College of Sciences International Coordinator, Maureen Crawford, is available every Wednesday from 1-3 to help you identify goals for your study abroad experience and guide you through thoughtful program selection. Whether you prefer a short 2 week experience, several months, a semester or a year, faculty led or more independent, Maureen can help you navigate the many international options, and scholarships.

No appointment is necessary.

Peer Advisors

Bernardo Halperin

Event Planner
Communications Lead
Biochem ’21
M 1:30-2pm, T 11-12:30pm, W 3-5pm, Th 10-12:30pm, F 3:30-5pm

Leona Garabedian


Emma Kerr

Biology- Ecology ’21
Minor: Honors
M 8:45-9:45am, W 8:45-9:45am & 2-3pm, F 8:45-9:45am & 2-4pm

Tia Abusham


Morgan Braudrick


Gabi Kaftan

CoS Council Rep
Administration Team
Biology- Pre PA ’20
Minor: Honors
M 12-1:30pm, F 9-11am

Jessica Hennies

Psychology ’20
Minor: Honors
W 8-9am, 1-2pm & 2:30-3:30pm, F 2:30-5pm

Joshua Barfuss

Office Manager
Statistics ’20
Minor: Honors
T 12:30-1:45, Th 8-9:15 & 12:30-1:45pm

Kiley Borchard

Psychology ’20
W 2-3pm, Th12:30-2:30pm, F 12-1pm

Kirsten Manahan

Communication Lead
Applied Mathematics ’19
T 10-12pm, Th 10-12pm & 2-3:30pm

Marianna Robles Godinez

Communication Team
Biology-Marine Biology ’19
T 8-9:30am, W 11:45-1pm, Th 8-9am & 3:30-5pm

Meg Robinson

Communications Team
Applied Mathematics ’19
Minor: Honors
MT 9-10am, Th 9-11am & 2-3:45pm, F 9:30-10:45am

Melina Garay

Physics ’21
M 3-5pm, T 2-3:15pm, Th 3:30-5pm

Natalie Eciso

Chemistry/Spanish ’20
Minor: Honors
T 11:30-1:30pm, Th 11-1pm & 4-5pm

Bryan Hayes


Olivia Baldwin

Communications Lead
Vice President
Biology ’20
Minor: Health Science
M 8-11am, F 8-9am

Samantha Hollifield

Statistics- Actuarial Sciences ’20
MW 12:30-2pm & 3:30-5pm

Sarah Kousba

Communications Lead
Program Coordinator
Biology ’20
T 4-5pm

Sydney Spears

Biochemistry ’20
W 1-2pm & 2:30-3:30pm, F 1-2:30pm

Vinnie Widjaja

Office Manager
Biochem ’21
M 3-5pm, T 10:30-11:30am

Ines Mellah


Lilliana Osuna