phone: 405-325-2158

fax: 405-325-7309

(For all US Postal Service deliveries)

The University of Oklahoma
1700 Asp Ave.
Norman, OK 73072

(For delivery services requiring a physical address)

The University of Oklahoma
3200 Marshall Ave., Room 250
Norman, OK 73072

We’re Here To Help

The CSRDE staff is small, but we all multi-task in order to provide top-notch service to our members and others in the higher education community. Whether you have questions about our retention reports, the National Symposium on Student Retention, webinars or other concerns, please know that we are always happy to talk with you. If you would like to email us, we prefer that you use the shared office email address ( as it will provide the fastest and most efficient response.


“Everyone at CSRDE is always incredibly helpful. Having worked with them for more than 10 years, I have always been impressed with how energetic and positive they are and their constant willingness to go the extra mile.”

– Loralyn Taylor, Ph.D.,  Associate Provost, Institutional Research & Effectiveness, Ohio University


Our Team

Sandra Whalen


Sandra began working at CSRDE in 2000 as Managerial Associate and was appointed Director in 2014. She loves working with our members, our symposium participants, the higher education community, and her amazing staff.

Brittnee Madden


Brittnee joined the CSRDE staff in 2008. She coordinates the conference and webinar details, handles all office activities and helps with membership and data reports as needed. Her favorite part of it all is meeting everyone at our national symposium each year.

Guimy Castor

DATA MANAGERGuimy started at CSRDE in 2020. He manages data collection and reporting processes for four national reports. He enjoys meeting and collaborating with CSRDE members and participants from our national symposium.

Tim Bennett

MEDIA SPECIALIST & MEMBERSHIP COORDINATOR Tim started at CSRDE in 2018. He maintains our website, handles membership details, edits survey data, and creates promotional material for CSRDE and the Symposium.