Mason Staff Senate

Jacquelyn Krehbiel

Title: Science and Technology Campus Executive Office

Phone: 703-993-7247

Groups: Executive Committee, Communications Committee, SciTech Campus

Position Title: Administration & Finance Coordinator

Current Department: Science and Technology Campus Executive Office

Previous Departments you worked for: Environmental Science and Policy; Environmental Health and Safety – Lab Safety

Joined Mason in 2018

I joined Staff Senate in 2024

I love Mason because there is community and camaraderie among a diverse workforce where acceptance flows into diversity and inclusion.

I joined the Staff Senate because I wanted to connect with my fellow colleagues and represent them as we strive to enrich our work life for the betterment of all.

Profile of a Senator: Jacquelyn Krehbiel (December 2024)

Donna Tressler

Title: SciTech Campus Executive Office

Phone: 703-993-8355

Groups: Events Committee, SciTech Campus

Position Title: Associate Director of Administration

Current Department: SciTech Campus Executive Office 

Joined Mason in 2014

I joined Staff Senate in 2024

I love Mason because the University provides vast opportunities for personal and professional growth, continued education, and to work with a diverse group of people while maintaining work-life balance.

I joined the Staff Senate because it is an opportunity to represent and advocate for my Science and Technology Campus colleagues.

Tiffany Sandstrum

Title: School of Kinesiology

Phone: 703-993-7002

Groups: Awards and Engagement Committee, SciTech Campus

Position Title: Senior Academic Advisor

Current Department: School of Kinesiology

Previous Departments you worked for: School of Systems Biology 

Joined Mason in 2010

I joined Staff Senate in 2024

I love Mason because I enjoy working with our students. Students are the reason why we all have jobs in higher education and I really enjoy seeing them grow during their time at George Mason.

I joined the Staff Senate because it is important to have voices for staff from all campuses and from different colleges, I want to be sure that CEHD and SciTech campus are represented.

Profile of a Senator: Tiffany Sandstrum (October 2024)

Kerry Hentges

Title: University Life SciTech

Phone: 703-993-7514

Groups: Executive Committee, Events Committee, SciTech Campus

Position Title: Programming and Administrative Coordinator 

Current Department: University Life SciTech

Previous Departments you worked for: Housing and Residence Life

Joined Mason in 2015

I joined Staff Senate in 2024

I love Mason because it is a welcoming place that is open to hearing new ideas.

I joined the Staff Senate because I wanted to represent the staff on the SciTech Campus and be a resource for staff with questions. I love to help others and Staff Senate is the perfect place to do so.

Profile of a Senator: Kerry Hentges (April 2025)