Association Staff

To contact a specific MASA staff member, use the following email format:
[FirstName].[LastName]@mnasa.org

If you're unsure of the correct contact or need further assistance, please reach out to our general office info@mnasa.org.


Executive Director
Matt Hillmann, Ed.D. (he/him/his)
Cell/Direct Line: 952-715-8737
Dr. Hillmann's Biography

Dr. Matt Hillmann serves as Executive Director of the Minnesota Association of School Administrators (MASA), providing leadership for the association's advocacy, professional learning, and member support efforts on behalf of Minnesota's school leaders.

With more than 30 years of experience in public education, Dr. Hillmann has served as a coach, teacher, principal, district administrator, and superintendent. Prior to joining MASA, he served as Superintendent of Northfield Public Schools from 2016 to 2026. His broad leadership experience gives him a deep understanding of the opportunities and challenges facing school leaders across Minnesota. Dr. Hillmann began his tenure as Executive Director on July 1, 2026. Read more...


Assistant Executive Director
Dr. Lori Zimmerman
Direct Line: 651-295-7761
 

Lori provides leadership for MASA’s daily operations, professional learning, conferences, and member services. She works closely with the Executive Director, Board of Directors, staff, and education partners to develop high-quality learning experiences and initiatives that support Minnesota’s school leaders.

Connect with me about:

  • Professional learning opportunities
  • Conferences and leadership programs
  • Awards and recognition programs
  • Board committees and governance
  • Organizational partnerships

Accounting, Jobsite and Exhibits Manager
Stephanie Kastanos
Direct Line: 651-251-0314

Stephanie manages MASA’s accounting and financial operations while supporting conferences, exhibits, and the MASA Online Jobsite. She helps ensure the association’s financial resources and member services are managed accurately and efficiently.

Connect with me about:

  • Invoices and payments
  • MASA Online Jobsite
  • Conference exhibitors
  • Financial and accounting questions
  • Payroll and member billing

Communications and Business Development Manager
Dave Christians
Direct Line: 651-789-4061

Dave leads MASA’s communications, marketing, and business development efforts to strengthen member engagement and expand partnerships that support the association’s mission. He oversees branding, digital communications, sponsorships, and business partner relationships while helping tell the story of Minnesota’s school leaders.

Connect with me about:

  • Sponsorships and business partnerships
  • Marketing and member communications
  • Media inquiries and press releases
  • Website and digital communications
  • Branding and promotional opportunities

Association Services Manager
Taylor Ethen
Direct Line: 651-789-4062

Taylor provides strategic and administrative support to MASA leadership and the Board of Directors while helping coordinate conferences, professional learning, and organizational initiatives. She works closely with members, presenters, and partners to ensure a seamless experience across MASA programs and events.

Connect with me about:

  • Board and committee information
  • Conference and professional learning logistics
  • Speaker and presenter coordination
  • Organizational initiatives

Executive Assistant
Sara Klecker
Direct Line: 651-789-4064
Main Office Line: 651-645-6272

Sara supports MASA members through membership services, event registration, business partnership administration, and day-to-day member assistance. She helps ensure members have a smooth experience from joining the association to participating in MASA events.

Connect with me about:

  • Membership and renewals
  • Event registration
  • Member records and profile updates
  • General member inquires