Meet the Staff

Shellie Hadvina

Shellie Hadvina '90, MPA '98
Associate Vice President, Development and Alumni Relations
(818) 677-5541

A CSUN alumna herself, Shellie graduated with a B.S. in Leisure Studies & Recreation in 1990 and with her Master's in Public Administration in 1998. Before transferring into the Office of Alumni Relations in 2001, she worked at CSUN in the Office of Student Development, serving students in Orientation programming, Greek-life, Associated Students, Emerging Leaders, and other student clubs and organizations. Shellie's parents and her husband also graduated from CSUN. Her son Jack and daughter Dana will carry on the Matador tradition.


Nancy Sedano
Administrative Analyst
(818) 677-4938


Samantha Delagardelle

Samantha Delagardelle Varner
Director, Alumni Relations and Engagement
(818) 677-4198

Prior to joining CSUN in 2016, Samantha managed client accounts for a boutique marketing agency. She began her career in higher education in the Alumni Relations and Development departments at the UCLA Anderson School of Management, and as the Alumni Relations and Events Manager at the UCLA Luskin School of Public Affairs. Samantha has an M.A. in Sports Management from CSU Long Beach and a B.S. in Business Administration from CSU San Marcos.


Jenny Daniels Freese
Alumni Chapters Associate
(818) 677-7580

Jenny is originally from Seattle, WA, where she earned her Bachelors in Art from the University of Washington. She moved to California in 2006 and acquired her Master's degree in Public Policy Administration in 2010 from California Lutheran University. Jenny has spent the last 15 years working in the nonprofit sector. Jenny specialized in event planning, relationship building, strategic planning, marketing, and communications. Jenny's excited to use her experience to support the CSUN alumni community. 


Melissa Dreiling '19
Recent and Future Alumni Engagement Coordinator
(818) 677-2000

Melissa is a recent CSUN alumna, receiving her B.A. in Communication Studies. She began working at the Alumni Relations office as a student assistant for two years and has now transitioned into her new role organizing student and young alumni engagement activities. Melissa was involved in the sorority Alpha Phi for four years and is excited to use her marketing experience to connect and support students on campus.   

Cheryl McMillan
Alumni Engagement & Programs Associate
(818) 677-7850

An Alumni Relations team member for 14 years, Cheryl is a lead for signature events including the Distinguished Alumni Awards and the Volunteer Service Awards. Prior to becoming a staff member, Cheryl volunteered with the CSUN history department’s Natchez Historic Conference and Courthouse Records Project. A CSUN alum by choice and marriage, her husband Richard ’89, MA’92 (History) is her best volunteer.


Career & Professional Development Associate
(818) 677-7849


Sabrina Aguilar
Volunteer and Member Coordinator
(818) 677-2999

A CSUN alumna herself, Sabrina graduated with a B.S. in Liberal Studies in 2018 and with her Master's in Educational Leadership and Policy Studies in 2021. Sabrina is an active member of the CSUN community who has been involved in New Student Orientation, Greek Life, and was formerly a Representative for Admissions and Records. Her work with volunteers allows her to continue to foster positive relationships for both current, and future alumni. Sabrina is excited to join the Alumni Relations team and eager to further support our Alumni community as our Volunteer and Membership Coordinator. 

 Chelsea Wisenbaker

Chelsea Wisenbaker MA '19
Director of Annual Giving and Donor Engagement
(818) 677-4112

Prior to working at CSUN, Chelsea spent several years working within various fields of the non-profit sector. She is a proud alumna of UC Santa Cruz, where she received her B.A. in Anthropology in 2010, and a proud Matador, having received her Master's Degree in Higher Education Administration from CSUN in 2019. Her interests and educational experience drive her passion for connecting students and the greater Southern California community to the resources, programs and opportunities on campus.

Rachelle Yousuf '11 MA '15
Manager, Annual Giving
(818) 677-6882

Rachelle is a proud CSUN alumna, earning her B.A. in Liberal Studies in 2011 and her M.A. in English in 2015. She has worked with various nonprofits over the past decade, including serving as the National President of the Women’s National Book Association. Previously, she worked as the Head of Membership at PEN Center USA, a literary arts and human rights nonprofit. Rachelle is happy to be back at CSUN as the Annual Giving Manager, working to increase resources for students across campus.


Deena Kamel
Annual Giving Associate, Annual Giving
(818) 677-5616

Prior to working at CSUN, Deena spent 2 years working for the Council on American-Islamic Relations at the LA chapter in both the Development and Policy and Advocacy departments. Her last role as the Development Coordinator allowed her to oversee various fundraising campaigns and events in the nonprofit sector. She graduated from the University of California, Riverside with a B.A. in Sociology. Deena is excited to join the Annual Giving team at CSUN and use her experience as well as grow in her new role.