How many employees work at Sigma Delta Tau Foundation?
SIGMA DELTA TAU FOUNDATION, INC. has 1,531 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 19.6%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Sigma Delta Tau Foundation
Sigma Delta Tau is a national sorority and member of the National Panhellenic Conference. SDT was founded on March 25, 1917, at Cornell University. Sigma Delta Tau empowers each member to reach her fullest potential by enriching the experience of women with similar ideals, building lasting relationships, promoting civic responsibility and fostering personal growth. The Sigma Delta Tau headquarters is in Carmel, Indiana, and staffed by eight professionals. There are anywhere from 5-10 traveling Leadership Consultants each year who are also employed. A national Board of Directors provides oversight and guidance for the organization and is made of nine volunteers. Approximately 90 other volunteers provide support to the organization and individual chapters. Other women may be connected to the organization through their profile due to serving at their local chapters or through volunteerism. The Sigma Delta Tau Foundation was founded in 1963 as a separate not-for-profit corporation. The Sigma Delta Tau Foundation is committed to encouraging the growth of both collegian and alumnae, by supporting educational endeavors and leadership programming. The SDT Foundation is managed by one staff Director, three volunteer officers and nine trustees.
As of December 2025
Sigma Delta Tau Foundation
workforce metrics
Headcount
1.5k
Avg. Salary
$87.8k
Tenure
1.6yr
Growth Rate
19.6%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Sigma Delta Tau Foundation annual worldwide employee count from 2023 to 2025.
- Sigma Delta Tau Foundation total number of employees in 2025 was 1,526, a 19.6% increase from 2024.
- Sigma Delta Tau Foundation total number of employees in 2024 was 1,254, a 18.8% increase from 2023.
- Sigma Delta Tau Foundation total number of employees in 2023 was 1,039, a 17.0% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Sigma Delta Tau Foundation annual active job postings from 2023 to 2025.
- Sigma Delta Tau Foundation active job postings in 2025 was 0, a 0% no change from 2024.
- Sigma Delta Tau Foundation active job postings in 2024 was 0, a 0% no change from 2023.
- Sigma Delta Tau Foundation active job postings in 2023 was 0, a 0% no change from 2022.
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Employee Sentiment
Sentiment Topics
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