The Board of Trustees is composed of six elected members, the Immediate Past President, and the National President to guarantee the corporation maintains its financial responsibility. The Board of Trustees oversees the finances of the Tau Beta Sigma (TBS) Trust.
The primary goal of the board is to ensure the corporation’s success by supporting core programs that reflect the ideals and interests of its members and key stakeholders. The Board of Trustees works to define strategy and organizational structure, delegate responsibility to the National Executive Director and other Sorority entities as needed, monitor operations and facilities, and ensure that the organization complies with all applicable laws, rules, and regulations.
CHAIR
Adrienne Rall
She / Her / Hers
Term: 2023-2027
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Originally from Paonia, Colorado, Adrienne Rall attended the University of Nebraska at Kearney where she earned a Bachelor of Arts Degree in Music with a minor in psychology in 2006. During her time at UNK, Adrienne participated in many musical ensembles including the Kearney Area Flute Choir, the UNK Wind Ensemble, and the UNK Symphonic Band where she played both flute and piccolo. She also participated in and became Color Guard Captain of the University of Nebraska at Kearney’s Pride of the Plains Marching Band. Adrienne was initiated into the Theta Mu Chapter of Tau Beta Sigma in the fall of 2002. As an active member of the sorority, she held many leadership positions in her chapter, most notably her two terms as Chapter President. After her graduation, Adrienne became involved in the Midwest District Alumni Association, serving one term on the steering committee and two terms as Vice President of Programs. At the end of 2009, Adrienne, wanting to continue to serve the sorority and its active membership, became a Life Member of Tau Beta Sigma and, in April of 2010, became the Midwest District Counselor. Currently, Adrienne lives in Kearney, Nebraska, with her husband, Lance, and their two spoiled cats. In 2009, she was able to reach one of her lifelong dreams: Becoming a professional photographer. However, when not working on her business, Adrienne also enjoys working as a color guard choreographer and coach for several area high schools as well as the University of Nebraska at Kearney because it gives her the opportunity to interact with and to help influence young people in her community.
VICE CHAIR
Jonathan Markowski
He / Him / His
Term: 2025-2029
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Jonathan L. Markowski currently works as the Deputy Director of Finance for the Child Support Enforcement division of the Department of Revenue for the Commonwealth of Massachusetts. He is a Certified Government Auditing Professional (CGAP) and Certified Fraud Examiner (CFE). He earned a Master of Science degree in Management with an Accounting concentration from Bridgewater State College and completed his undergraduate degree at the University of Massachusetts, where he was a featured rifle soloist with the “Power and Class of New England” Minuteman Marching Band. Jonathan previously worked at the Office of the State Auditor, as an auditor with the Defense Contract Audit Agency, and as a teacher of high school mathematics.
Jonathan served as the 37th National President of Tau Beta Sigma and presided over the convention at Oklahoma State University in 2019. A Life member of the Delta Delta Chapter, Jonathan was initiated in the Fall semester of 1996 and served in various chapter and district leadership roles in his time as an Active member. He was elected to the National Council in 2011 and subsequently each of the elected National Vice-Presidencies. As NVPSP, he originated the “Focus on Five” Campaign.
Jonathan is originally from and still resides in the suburbs of Boston, Massachusetts. He coaches the East Bridgewater Jr./Sr. High School Viking Marching Band and Color Guard and plays the oboe in the Abington Community Band.
TRUSTEE
Jason Dornbush
He / Him / His
Term: 2025-2029
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Jason Dornbush is a Project Manager for CPM Americas in Waterloo, Iowa.
Jason has over 10 years of experience working in project management and in non-profits. He brings a unique perspective to the projects he manages. Jason has worked for the Museum of Science and Industry in Chicago, Illinois as a Robot Specialist where he traveled to the United States with the Robot Revolution exhibit and helped develop a collection management plan to maintain and ensure the functionality of robot collection. Jason also worked for the Grout Museum District in Waterloo, Iowa as the Outreach Coordinated where he led the development, presentation, and evaluation of outreach programs.
Jason is a Life Member of the Zeta Nu Chapter of Tau Beta Sigma at the University of Northern Iowa.
TRUSTEE<
Dr. Ted McCadden
He / Him / His
Term: 2025-2029
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Dr. McCadden is a Life Member of Tau Beta Sigma (Eta Sigma) and Kappa Kappa Psi (Iota Delta). He earned undergraduate and graduate degrees at Towson University, and a Doctor of Education degree at Pennsylvania State University. He is a Professor of Behavioral Sciences and Program Director at the Community College of Baltimore County, where he teaches courses in Psychology, Sociology, Education, and Counseling.
Ted is a licensed counselor and is active as a researcher and consultant in both counseling and education. He is an honorary member of Phi Theta Kappa National Honor Society and Tri-M National Music Honor Society. In his spare time, he raises chickens and bees in his backyard garden.
TRUSTEE
Rosalyn McDonald
She / Her / Hers
Term: 2023-2027
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Rosalyn McDonald is a charter member of Tau Beta Sigma National Honorary Band Sorority, Inc. Theta Phi Chapter, initiated on the beautiful campus of Hampton University on June 26, 1999. During her time at Hampton, she was a member of the Flag Team of the Hampton University Marching Force (1995-1998) and clarinet instrumentalist with the Hampton University Concert Band (1995-1999). After graduation, Rosalyn became a Life Member of TBS (1999), TBS Alumni Association Member (2002-Present), TBS Theta Phi Local Alumni Association President (2006-2007), TBS Iota Iota Chapter Advisor (2007-2008), SWD Chapter Visitation Assistant (2015-Present), Honorary Member of TBS Tau Chapter (2017), Southwest District Chapter (2018) and Honorary Member of Kappa Kappa Psi National Honorary Band Fraternity National Chapter and KKPsi Life Member (2021).
Rosalyn obtained a 2nd Bachelor Degree (2001), Master Business Administration (2004), Master Compliance Administrator Certification (2008). Rosalyn resides in Grand Prairie, Texas and is currently the Procurement Manager for the North Tarrant Infrastructure, LLC in Fort Worth, Texas. Rosalyn is responsible for the solicitation, evaluation and execution of contracts for the firms supplies, materials, subconsultants and subcontractors needed to ensure the company is equipped to design and build some of the largest highways in North Texas. She also volunteers as an Alumni Intern Coordinator with the Dr. Emmett J. Conrad Leadership Program, as liaison to the Senator’s Executive Director.
TRUSTEE
Zachary T. Rebarchek
He / Him / His
Term: 2023-2027
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Zack Rebarchek was initiated into the Zeta Delta Chapter of Tau Beta Sigma at the University of Kansas in 2008. As an active member of the organization, he served in leadership roles including chapter Treasurer, Liaison, Vice President for Membership, President, Midwest District Vice President for Special Projects, and MWD President. Zack was a low brass drill instructor and baritone section leader for the Marching Jayhawks. In 2012 he earned a Bachelors of Science in Business Administration with a concentration in Entrepreneurship and Technical Communications. Zack stayed active within Tau Beta Sigma by serving in leadership roles within the MWD Alumni Association and serving on the National CFR Committee. Zack also served as MWD Counselor from 2015-2022. Zack maintains active memberships in TBSAA and KKPsiAA and is an Honorary Life Member of TBS and KKPsi.
Professionally, Zack works at AT&T as a Sales Team Manager where he coaches a team of consultants providing solutions for mobility, business solutions, first responder access, and home services.
IMMEDIATE PAST NATIONAL PRESIDENT
Leslie Gartin
She / Her / Hers
Zeta Nu, University of Northern Iowa
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Leslie was initiated in the Zeta Nu chapter at the University of Northern Iowa, and served in various chapter leadership roles, such as Ritualist, Secretary, and President. On the district level, Leslie served as Sec/Treas for one year, and Vice President of Membership for one year.
Upon graduation with her Music Education and French Horn Performance degrees, Leslie was actively involved in the Midwest District Alumni Association, serving as president for three years. In 2011, was appointed Finance Chair for the Tau Beta Sigma Alumni Association Executive Committee, a role in which she served until her appointment to the District.
In “real life,” Leslie is the K-6 General Music, Instrumental Music, ESL and TAG Coordinator for the GMG Community School District in Garwin, Iowa. She keeps busy in the school with music classes, Talented & Gifted classes, beginning band and lessons, as well as serving as coach for the Junior and Regular Robotics leagues at her school, in addition to serving as the District Union President. She received her Master’s degree in TESOL studies from Drake University in 2013. She lives in Marshalltown, Iowa, with her husband, Justin, a computer engineer, and their dog, Charlotte. Their free time activities include camping, fishing, and home improvement projects that last forever.
NATIONAL PRESIDENT
Allison Leemann
She / Her / Hers
Eta Gamma, Boston University
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Allison is a Life Member of the Eta Gamma Chapter of Tau Beta Sigma at Boston University. She graduated with a Bachelor of Arts degree in Philosophy with a minor in Public Health in 2012 and a Master of Public Health degree in Global Health in 2014 from the Boston University School of Public Health. While attending school Allison participated in the Concert, Pep, and Marching Bands playing bass clarinet and alto saxophone. She served as the Boston University Marching Band Drum Major her senior year.
As a student leader Allison served in several leadership positions at the Chapter level and as the Northeast District Vice President for Special Projects (2011-2012) and District President (2012-2013). As a Life Member Allison served as Northeast District Counselor (2015-2021) and currently sits on the Curriculum Development and Assessment Committees and the Health and Safety Task Force. She was elected to the Vice President for Communication & Recognition position in 2021.
In her professional life, Allison has focused on public health and healthcare management, overseeing medical scribes in the emergency department and hospital setting. In 2020, Allison completed a professional certification in Organization Development. She is an active member of the American Public Health Association and the Organization Development Network. In her free time Allison enjoys exploring new places, seeing live music performances, going to the beach, listening to audiobooks/podcasts, and spending time with family and friends.