Central Office

The Central Office is the headquarters of the Theta Tau Professional Engineering Fraternity.  Initially opened in 1964 in St. Louis, Missouri, the Central Office subsequently operated out of Austin, Texas and Miami, Florida before moving to a fully remote model during the winter of 2021.  The staff now works out of several cities across the country, including Philadelphia, Chicago and Flint, Michigan.

The Executive Council employs an Executive Director to oversee the day-to-day operations of the Fraternity.  The Executive Director oversees, on behalf of the Fraternity, a professional staff to manage various areas of Fraternity operations.  The Central Office staff is responsible for accounts receivable and payable, chapter invoicing, member records, Fraternity communications, national and regional meetings and maintaining our relationships with external audiences.

The Central Office can be reached at 512-472-1904 or via email at Central.Office@ThetaTau.org.

About our Staff


Executive Director

Jim Gaffney (he/him) is a 2007 initiate of the Kappa-Lambda Chapter of Kappa Sigma at Shippensburg University, and a 2014 Honorary Initiate of the Tau-Alpha Chapter at SUNY Geneseo.  He is a graduate of Shippensburg University where he studied journalism. Prior to joining Theta Tau’s staff, he served as joint Executive Director of the alpha Kappa Delta Phi International Sorority, Inc. and the Lambda Phi Epsilon International Fraternity, Inc., respectively, the largest Asian-interest sorority and fraternity in North America. He was the first Executive Director for both organizations. In his time with LFE and aKDPhi, he worked to develop and update national policies and procedures, streamline reporting systems and presided over the first-ever reduction in dues at LFE, while maintaining flat or reduced pricing on the per-member insurance rate.

Prior to his work with aKDPhi and LFE, Gaffney served Kappa Sigma as District Grand Master (regional director) for the Upstate New York District, opened five new chapters in 14 months, and saw two chapters win the Founder’s Award for Chapter Excellence, the headline chapter honor in the Fraternity. He was recognized with a distinguished service commendation from the Supreme Executive Committee of Kappa Sigma (national board of directors) in 2016. When not working to advance the Greek community, Gaffney, a native of Philadelphia, is a freelance scenic and lighting designer for theatrical productions and an amateur woodworker.

Director of Operations

Ernestine Bethea (she/her) is a 2013 initiate of the Nu Gamma Chapter of the Zeta Phi Beta Sorority, Incorporated located at Coppin State University where she studied Social Work and Sociology. She holds a Master of Science Degree in Human Service Administration from the University of Baltimore. She has worked as a Grant Services Specialist in the Mayor’s Office of Human Services in Baltimore, Maryland, an Administrative Program Coordinator in the graduate school at Johns Hopkins University and most recently as a Family Services Specialist at the Early Learning Coalition of Broward County.

Bethea started her journey in fraternity and sorority leadership when she was elected President of her undergraduate chapter. She has participated and chaired many community services programs catering to veterans, the homeless, the elderly, as well as premature babies.  Bethea currently holds a leadership certification which allows her to serve on a national level in Zeta Phi Beta Sorority, Incorporated. She is also certified in risk management through Zeta Phi Beta Sorority, Incorporated and enjoys sharing knowledge and best practices.

When not working, Bethea enjoys encouraging young women through body positivity speaking engagement.  She resides in Baltimore, Maryland.

Director of Programming

Sunny Han (they/them) is originally from Cedar Rapids, IA after their adoption from Busan, South Korea. They were initiated in the Spring of 2018 into the Psi Chapter of Pi Alpha Phi Fraternity Inc., the oldest APIDA-interest fraternity in the country, at Iowa State University in Ames, IA. They received a Bachelors of Fine Arts in 2013, and a Master of Science in Education from Iowa State University specializing in Higher Education and Student Identity Development. For the past year they have served as the Director of Education for Sigma Lambda Beta International Fraternity Inc.’s Executive Office in North Liberty, IA. In their spare time they like to commit time to programming for APIDA students through organizations like the Midwest Asian American Student Union and the United Vietnamese Students Association-Midwest

Director of Chapter Services

Jennifer Kreiman (she/her/hers) is the Director of Chapter Services in the Theta Tau Central Office. Jennifer’s role was recently created to provide staff support in Chapter Management, Health and Safety, and Fraternity Growth.  Jennifer was initiated into Theta Phi Alpha at Kettering University in 1991.
Jennifer served Theta Phi Alpha in multiple roles before joining Theta Tau.  She served as a volunteer for over twenty years, including ten years on Theta Phi Alpha’s Grand Council, before moving to a staff position in 2017.  Jennifer’s volunteer and staff roles positioned her well to be the first Director of Chapter Services for Theta Tau.
Jennifer is a native of the Flint, Michigan, area where she and her family reside.


for Service, Profession, and Brotherhood