Recognizing Excellence.
Advancing Agriculture. Serving Society.
Where Knowledge Meets Collaboration
to Shape the Future of Agriculture.
Connecting Scholars, Leaders, and
Innovators Across Chapters Worldwide.
About Gamma Sigma Delta International

000

Years of Excellence

About
Gamma Sigma Delta International

Gamma Sigma Delta International (GSD) is the International Honor Society of Agriculture, dedicated to recognizing excellence in agriculture and related disciplines. The Society traces its origins to 1905 and was formally established as Gamma Sigma Delta International in 1913, with consolidation into its current form in 1916. It has since grown into a respected organization with chapters across universities and an expanding international presence.

Mission
Mission

To encourage high standards of scholarship and recognize excellence in agriculture and related sciences through honorary membership.

Vision
Vision

To be a globally recognized leader in honoring achievement, fostering leadership, and advancing agricultural sciences for the benefit of society.

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Key Objectives

Recognize academic and professional excellence.

Promote leadership and service in agriculture.

Support students, faculty, and professionals.

Foster collaboration across institutions and countries.

Advance agriculture and related sciences for societal benefit.

Chapter
Information

Click on a chapter name below, to see learn more about that chapter.

Alabama

Arizona Arkasas California Colorado Connecticut

Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana

Maryland Massachusetts Michigan Minnesota Missouri Mississippi

Nebraska Nevada

New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania

South Carolina South Dakota Tennessee Texas

Virginia Washington West Virginia Wisconsin Wyoming Honduras Puerto Rico Philippines

Map

Join Our Chapter

Key
Highlights

Established in 1905
Established in 1905, formally organized as Gamma Sigma Delta International in 1913.
International honor society
International honor society with 50+ chapters across universities.
Recognizes top students
Recognizes top students (typically top academic performers) and distinguished professionals.
Prestigious awards including the Distinguished Achievement in Agriculture Award.
Active international foundation supporting scholarships and student development.

Leadership

Committed to strengthening chapters and fostering meaningful global impact.

Know all leaders
Te-Ming (Paul) Tseng, PhD
Te-Ming (Paul) Tseng, PhD
President
John Westra PhD 
John Westra PhD 
Treasurer / Past President
Shandrea Stallworth, PhD
Shandrea Stallworth, PhD
Secretary / Interim Strategic Communications Officer
Kelly Miller
Kelly Miller
Business Manager
Events / Conclaves
2025 Gamma Sigma Delta International Annual Meeting (Virtual)

2025 Gamma Sigma Delta International Annual Meeting (Virtual)

Date: Friday, November 14, 2025

Format: Virtual

Theme: “Growing Smarter: Agriculture in the Age of Intelligence”


Program details and registration information will be posted as they become available.

Annual Meeting and Registration Link
Sustainable Agricultural Intensification for Global Food and Nutritional Security

Sustainable Agricultural Intensification for Global Food and Nutritional Security

Date: Thursday, October 30, 2025 (4-5:30 PM CT)

Format: Format

Theme: Allen Hall Auditorium (13), Mississippi State University

“You can't build a peaceful world on empty stomachs and human misery.”~ Norman Borlaug ~

52+

Chapters Installed Worldwide

100+

Years of Honorary Excellence

5

Continents of Influence

1000+

Awards Presented

1905

Delta Theta Sigma founded Ohio State University

1907–1909

Chapters expand IA • PA • MO • OR • UT (Honorary format)

1913

Ohio State withdraws Remaining chapters renamed
Gamma Sigma Delta International

1915

Honor Society of Agriculture Founded – Minnesota

1916

Merger discussions begin Joint committee meets

1917

Official merger New constitution ratified Strictly honorary society

1928

Gamma Sigma Delta International Reinstalled at Ohio State

Present

52 Chapters Faculty governed USA • Puerto Rico • Philippines • Honduras

Historical Growth

Images and Media

Capturing the spirit of fellowship, recognition, and global collaboration.

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