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President/Chief Executive Officer
Aaron Darden began his career in the public sector at the Metropolitan Development and Housing Agency in Nashville, Tennessee in 2008. For nearly a decade he served in leadership roles throughout the agency. He left the agency serving as Director of Recapitalization and was previously the Chief Operating Officer of Affordable Housing.
Darden was selected as President/CEO of the Tulsa Housing Authority in May 2017. In this position, Darden is responsible for the overall strategic direction of the agency. His vast experience in public housing operations, finance and development is a great asset to THA. Under his direction, THA has been awarded two Choice Neighborhoods Implementation (CNI) grants from the U.S. Department of Housing and Urban Development (HUD) totaling $80 million, and THA is currently undergoing a portfolio conversion of its public housing properties under the Rental Assistance Demonstration (RAD) program.
Darden holds the Certified Public Housing Manager designation as well as being a Certified Occupancy Specialist and Certified Low-Income Housing Tax Credit Specialist. He holds a bachelor’s degree from the University of Memphis in social work and an MBA from Tennessee State University.
Chief of Staff
Erik Solivan brings nearly 15 years of expertise in housing finance, development, planning and policy. In his role as Chief of Staff, he oversees THA’s Affordable Housing, Rental Assistance, Development Services and Construction Services departments.
As an attorney he brings expertise in HUD regulations, including those of Rental Assistance Demonstration (RAD). As Senior Analyst at Public Financial Management he developed multi-year financial analysis municipalities including housing strategy and Tax Increment Financing (TIF). As Senior Vice President of the Philadelphia Housing Authority he led multi-year development planning and public housing policy. As Executive Director for the Denver Mayor’s Office of Housing Policy he developed and led innovative housing finance initiatives such as the LIVE Denver Program, which received national recognition for its multi-faceted partnerships including private developers and operators.
Chief Administrative Officer & Chief Financial Officer
Darian Walker joined THA in November of 2010. Before joining THA she spent more than eight years with the Community Food Bank of Eastern Oklahoma (CFBEO) as Director of Administration. In that role she oversaw all aspects of finance and administration, maintained the contract to distribute USDA commodities for the State of Oklahoma and served a leadership role during the Donald W. Reynold’s grant application process (which was awarded and resulted in the construction of a new facility in 2006). In her role, she oversees THA’s Finance, Human Resource and Information Technology departments.
Senior Vice President of Affordable Housing
Terri Cole became THA’s Vice President of Rental Assistance in 2006. Cole began her career at THA as a Leasing Agent, progressing through various positions including Assistant Director of Assisted Housing immediately prior to her promotion to Vice President. Cole has maintained the HUD High Performer SEMAP rating for the Housing Choice Voucher Program during her tenure. She holds an associate’s degree in business and a number of professional certifications in the housing field. Cole is a past president of OKNAHRO and currently co-chairs the members services committee for OKNAHRO.
Vice President of Data & Compliance
As THA’s Vice President of Data and Compliance for the departments of Development Services and Construction Services, Letzig leads THA’s work on LIHTC compliance and data analytics.
He joined THA in May 2003 as an Accountant and progressed through THA’s Finance and Accounting department. He held the position of Assistant Controller from 2007 to 2014 and Controller from 2014 to 2016. After serving as interim President/CEO beginning August 2016, Letzig was promoted to Chief Operating Officer in May 2017. Letzig earned a bachelor’s degree from Oklahoma State University.
Vice President of Construction Services
Kent Keith joined THA as a Contract Coordinator in 2010 and was named Vice President of Construction Services in 2011. He brings to THA more than 20 years of construction management experience as a licensed general contractor and real estate developer. During his career, he has completed over $600 million in construction projects that range from production of custom homes to commercial improvements and development. Keith earned a bachelor’s degree in architectural studies from the University of Kansas School of Architecture and Urban Design.
Vice President of Information Technology
Steve King began his career at THA in 1991 as a Computer Operator. He has been Vice President of Information Technology since 1993. He holds a bachelor’s degree from Oklahoma State University in management information systems. King has spoken about technology and HUD systems at OKNAHRO, National NAHRO and OATHA Conferences. King is a past board member and current president of the Organization for the Advancement of Technology in Housing Agencies (OATHA).
Vice President of Development Services
Jeff Hall joined THA in August 2018 in order to establish critical partnerships to successfully implement long-term strategic initiatives. He comes to THA after leading community planning and revitalization efforts at the Metropolitan Development and Housing Agency in Nashville, Tennessee, with work that included the successful administration of a U.S. Department of Housing and Urban Development Choice Neighborhoods Grant. Previously, he spent more than eight years working with two leading national nonprofit organizations doing work in community outreach, volunteer engagement and fundraising. Hall earned a bachelor’s degree from Christian Brothers University in Memphis, Tennessee, and a master’s degree from the University of Mississippi in Oxford, Mississippi.
Vice President of Finance
Sonya McNack joined THA in April 2018. She began her service to THA as Assistant Controller and has also served as Controller. In 2021 she became Vice President of Finance. McNack came to THA from a property management company where she worked for 19+ years in roles ranging from Staff Accountant to Controller. She has experience in all aspects of financial accounting, as well as in Rental Assistance Demonstration (RAD), Low-Income Housing Tax Credit (LIHTC) and LIHTC compliance reporting. She earned a Bachelor of Science degree from Northeastern State University.
Dr. Barbara Abercrombie
Vice President of Human Resources
Dr. Barbara Abercrombie joined THA in October 2022 as Vice President of Human Resources. She comes to THA with extensive experience in Human Resources with an emphasis on employee engagement, generational cohorts in the workplace and change management.
Dr. Abercrombie graduated with her bachelor’s degree from Northeastern State University and went on to obtain a master’s degree in human resources from the University of Oklahoma and a doctorate in workforce education and human resource development from Oklahoma State University. For over twenty years, she has worked in the field of higher education, holding the positions of HR Director at NSU and OU Tulsa, Associate Vice Chancellor of HR at the University of Arkansas, Vice President of Organizational Effectiveness and Chief HR Officer at Texas A&M University and as Vice Chancellor of Organizational Effectiveness and Chief Human Capital Officer for the University of North Texas System in Dallas.
Ginny Hensley, APR
Vice President of Communications & Public Affairs
Ginny Hensley, APR, joined the THA team in October 2018. Prior to joining THA she served in public relations and marketing roles in the health care sector for several years. She has also served organizations in the nonprofit, banking and high-tech manufacturing industries.
Hensley earned her bachelor’s degree in public relations from the University of Central Arkansas and her master’s degree in integrated marketing communications from West Virginia University. She achieved Accreditation in Public Relations (APR) from the Public Relations Society of America (PRSA) in 2012 and completed PRSA’s Crisis Communication Certificate Program in 2017. She was included in Arkansas Business’ inaugural list of “20 in their 20s: The New Influentials,” named a “Woman to Watch” by Soiree magazine and received the President’s Award for Outstanding Chapter Service from the Arkansas chapter of PRSA. She remains a member of PRSA and is also a member of Leadership Tulsa’s Class 60. She serves on the Leadership Council of A Way Home for Tulsa (Tulsa’s Continuum of Care for Homelessness) as well as the boards of Amplify Tulsa and the Tulsa Chapter of PRSA and has volunteered with the American Cancer Society both in Arkansas and Oklahoma.
Jason Epperson, HCCP, COS, MORS, RAD-PBV
Assistant Vice President of Affordable Housing
Jason Epperson is an experienced regional multifamily property management professional with a successful record of team leadership to increase leasing, resident retention, high customer service ratings, collections and marketing. For over 20 years, Jason has worked in affordable and conventional housing. He is knowledgeable of layered finance properties and regulatory compliance and creating strategies to get the highest NOI for owners. He is committed to adding value to properties through proper resident screening, maintaining high occupancy, increasing rent, adhering to budgets, creating innovative marketing strategies and ensuring low delinquency.
Assistant Vice President of Rental Assistance
Teresa Wolf has over 20 years’ experience at THA. She began her career at THA in 1999 working with low- and very low-income applicants from the Housing Choice Voucher waiting list to determine eligibility. Since then, she has worked with a variety of applicants and program participants on their journey through housing and self-sufficiency. In 2003, she was a recipient of a National Association of Housing and Redevelopment Officials (NAHRO) award for the work she accomplished with the Family Self-Sufficiency program. Teresa holds several professional certifications in the housing field and since taking on the position of Assistant Vice President has maintained the HUD High Performer SEMAP rating for the Housing Choice Voucher program. Teresa currently manages a department that houses over 7,000 Housing Choice Vouchers, Project-Based Vouchers, RAD Project-Based Vouchers and Veteran Affairs Supportive Housing voucher participants.