Mason Staff Senate

Group: Communications Committee

Adele Cosse’

Title: Graduate Admissions Specialist

Department: Admissions

Phone: 703-993-2400

Groups: Communications Committee, Fairfax Campus

Position Title: Graduate Admissions Specialist

Current Department: Admissions – Graduate Operations

Joined Mason in September 2024.

I love Mason because there is something here for everyone. The diverse culture and ample opportunities provide a place of inclusion where everyone can feel at home.

I joined Staff Senate in 2024.

I joined because I believe every staff member deserves to be heard, respected, and supported and coming together to drive positive change is best done through open communication, mutual respect, and collaboration. Joining Staff Senate allows me to advocate for transparency, equity, and professional development opportunities while fostering a collaborative environment where we as staff can thrive.

Lauren Reese

Lauren Reese, Staff Senator and Communications and Marketing Manager, Information Technology Services

Title: Communications & Marketing Manager

Department: Information Technology Services

Phone: 703-993-6190

Groups: Communications Committee, At-Large

Position Title: Communications & Marketing Manager

Current Department: Information Technology Services

Joined Mason in 2011

I joined Staff Senate in 2024

I love Mason because of the people and their collective dedication to the university’s mission. It’s such a gift to be surrounded by people who come to a job because they want to be part of something bigger than themselves. At George Mason, it isn’t the money or the glory that drives people to work hard but rather because they believe in what the university provides to its students, the community, and the world. 

I joined the Staff Senate because I believe in the work of this committee and the importance of staff having a voice. Staff are often the unsung heroes and a vital part of the George Mason story, so I want to be part of shining a light on their hard work and dedication to delivering our students a stellar college experience.

Profile of a Senator: Lauren Reese (May 2025)

Jacquelyn Krehbiel

Title: Administration & Finance Coordinator

Department: 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)

Hannah King

Title: Communications Manager

Department: College of Education and Human Development

Phone: 703-993-3539

Groups: Executive Committee, Communications Committee, Fairfax Campus

Position Title: Communications Manager

Current Department: College of Education and Human Development

Joined Mason in 2022

I joined Staff Senate in 2024

I love Mason because I feel it’s a place I’ve gotten to grow professionally and personally. I work with such an incredible group of people who have taught me so much and I’ve made connections here that I will value forever. It’s a really great community! 

I joined the Staff Senate because I think it’s so important to advocate on behalf of staff members and ensure our voices are heard and considered when decisions are being made. Staff are an integral part of the university and deserve to feel valued. They bring important ideas and perspectives and should always have a seat at the table.

Profile of a Senator: Hannah King (March 2025)

Regan McClure

Title: Library Manager

Department: University Libraries 

Phone: 703-993-8481

Groups: Communications Committee, Mason Square

Position Title: Mason Square Library Manager

Current Department: University Libraries 

Joined Mason in 2023.

I joined Staff Senate in 2024.

I love Mason because it is a long-standing institution that focuses on building and uplifting its student, staff, and faculty.

I joined the Staff Senate because I wanted to become more involved with the staff outside of my department, and I wanted to help represent the Mason Square campus.  

 

Timothy Diggins

Timothy Diggins, Administrative Specialist, Mechanical Engineering, College Engineering and Computing. Photo by: Creative Services/George Mason University

Title: Administrative Specialist

Department: Mechanical Engineering

Phone: 703-993-5383

Groups: Communications Committee, Fairfax Campus

Position Title: Administrative Specialist

Current Department: Mechanical Engineering

Joined Mason in May 2021.

I love Mason because of the amazing team I work with who are dedicated to student success, and Mason’s commitment to innovation and inclusivity.

I joined the Staff Senate in 2023.

I joined the Staff Senate because I want to advocate for staff and issues that affect us, keep staff informed about issues at Mason that impact them, and helping to keep Mason a great place to work.

Profile of a Senator: Timothy Diggins (June 2024)

Danielle Fritz

Title: Risk Control Manager

Department: Risk, Safety & Resilience

Phone: 703-993-1294

Groups: Communications Committee, At-Large, Executive Committee

Position Title: Risk Control Manager

Current Department: Risk, Safety & Resilience

Joined Mason in: Sept, 2011 as a part-time wage employee; Hired full-time in April, 2019

I love Mason because of the people. There is a wonderful sense of community amongst the faculty, staff and students that is hard to find in corporate America.

I joined Staff Senate in 2023

I have been working at George Mason University for nearly 14 years and feel I have knowledge and skills that can benefit others. I joined to become more connected and the Staff Senate is a great way to share my knowledge and support the Mason community, even from a remote location.

Rachel Spence

Photo of Rachel Spence, Staff Senate Vice Chair
Photo of Rachel Spence, Staff Senate Vice Chair

Title: Academic Manager

Department: Global Education Office

Phone: 703-993-3809

Groups: Communications Committee, Chair, Fairfax Campus, Executive Committee

Position: Academic Manager

Current Department: International Partnerships, Global Education Office

Joined Mason in 2017.

I love working at Mason because we’re truly a university devoted to access and equity.

Joined the Staff Senate in 2022.

I joined the Staff Senate because, as a fully remote employee working from California from 2021-2024, I wanted to make sure that the needs and voices of all of Mason’s staff working worldwide were heard and represented by the Staff Senate. I’m now back on campus and ready to represent the Fairfax campus in-person!

Profile of a Senator: Rachel Spence (December 2022)

Meet the Mason Nation: Rachel Spence (October 2025)

Matthew Berlejung

Title: Videoconference Engineering

Department: Information Technology Services

Groups: Communications Committee, Fairfax Campus

Position Title: Videoconference Engineering

Current Department: Enterprise Collaboration, Information Technology Services

Joined Mason in February 2006

I love Mason because it enables the local community, current students, active employees, alumni, and retirees to engage with each other in meaningful ways. From the Ombudsperson to the Board of Visitors, all of us are involved in a collective vision of the future.

I joined Staff Senate in 2020 because I want to make a larger difference at Mason.

Matthew is currently serving on the Staff Senate Events Committee.

Profile of a Senator: Matthew Berlejung (November 2020)