Welcome to Epsilon Sigma Phi

The mission of Epsilon Sigma Phi is to foster standards of excellence in the Extension System and to develop the Extension profession and professional. 

Since Epsilon Sigma Phi was established in 1927 at Bozeman, Montana, members have worked to strengthen the impact of the Extension System’s ability to address needs of individuals and communities through research based education.

ESP is one of the oldest and is the largest organization of Extension Professionals. Epsilon Sigma Phi is an equal opportunity/affirmative action organization. The organization values and seeks a diverse membership.

The Extension System is a partnership of USDA-NIFA, the nation's land-grant universities, and local county government.

For more details and contact information on individual state chapters, see the map below.

For National Programs and Events
Members should visit:

National ESP 

For more details and contact information on individual state chapters, see the map below.


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National ESP Conference Dates and Locations

  • 2024 October 27-31 Virginia Beach, VA
  • 2025 October 6-9 Fort Worth, TX

The National ESP Office is available to support all members.

Membership is open to those Extension personnel (including Administration, University and County based Professionals) and retirees who exhibit excellence in Extension programming.

Membership is established through state chapters that are chartered through the national organization. With members from all aspects of the Extension system, members have an opportunity to network with members from all of Extension regardless of subject area or position.

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Become a Member

To join, find your state chapter in the map below. If a chapter is not active in your state, contact the National Office about joining as a member-at-large. 

Individuals interested in membership should contact the Membership Committee Chair in their state. 

Membership Committee Chair contact information and more instructions on how to join can be found on the each chapter's information site.   Use the Map below to find your chapter.

 Membership Inquiries by Region

Begin by hovering over your State in the map below.

On Desktop: Your Chapter name will display on hovering.
      • One click will direct you to your State Chapter's site page.

On Mobile:  Tap display your State Chapter's name.

  • Tap on "View Website" and you will be directed to the State's Chapter site page.

Please direct your membership inquiry to the Chapter Membership Chair. You will find their email by clicking on their name located on the State Chapter's site page. 

    National ESP Office

    The National ESP Office is available to support all ESP members.

    Contact details below.


    PO Box 1440

    Owasso, Oklahoma 74055 

    Phone: 918-376-0841

                  Email:  espoffice@espnational.org                

    Epsilon Sigma Phi is a 501(c)3 non-profit organization. 

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