Prosperity Bank Executive and Leadership Team

David Zalman, the Chief Executive Officer & Senior Chairman at Prosperity Bank, directs the overarching strategic vision and long-term growth trajectory of the institution. Zalman architects the conservative risk management framework that defines the bank's reputation for stability across Texas and Oklahoma. By overseeing the integration of community banking values with modern digital capabilities, the Chief Executive Officer & Senior Chairman ensures the organization remains competitive in a rapidly evolving financial landscape. This leadership role involves constant collaboration with the Board to evaluate acquisition opportunities and organic expansion strategies. David Zalman maintains a focus on maintaining strong credit quality while fostering deep community involvement. Through the implementation of prudent fiscal policies, the Chief Executive Officer & Senior Chairman secures the financial health of the bank, ensuring that all operations align with the core mission of providing comprehensive financial services to diverse customer segments.

Kevin Hanigan, the President & Chief Executive Officer at Prosperity Bank, manages the daily operational execution and organizational efficiency of the bank. Hanigan drives the implementation of commercial and industrial lending initiatives, ensuring that small and medium-sized businesses receive tailored financial support. Overseeing the alignment of departmental goals with the broader corporate strategy, the President & Chief Executive Officer optimizes internal processes to enhance customer experience across the extensive network of banking centers. Kevin Hanigan coordinates with other executive leaders to refine treasury management services, which remain vital for the bank's commercial enterprise clients. By monitoring market trends throughout the regional footprint, the President & Chief Executive Officer identifies opportunities for service expansion. This leadership position requires constant attention to operational excellence and the maintenance of high service standards, ensuring that the institution continues to deliver consistent value to shareholders and clients alike.

Mark Gardeski, the President & Chief Executive Officer at Prosperity Bank, leads the development of specialized financial products and residential mortgage solutions. Gardeski architects the strategy for consumer financing and home equity lending, ensuring that individual clients across the regional market have access to robust credit options. Overseeing the performance of the retail banking division, the President & Chief Executive Officer monitors the effectiveness of deposit products, including savings and money market accounts. Mark Gardeski collaborates with the wealth management division to integrate trust and estate planning services into the broader customer offering. By focusing on the intersection of traditional banking and modern digital payment solutions, the President & Chief Executive Officer enhances the accessibility of financial services. This role involves rigorous oversight of loan production offices, ensuring that local decision-making authority remains a cornerstone of the bank's service model while maintaining strict adherence to regulatory standards.

Asylbek Osmonov, the Chief Financial Officer at Prosperity Bank, manages the financial reporting, capital allocation, and liquidity planning for the entire institution. Osmonov directs the analysis of the bank's balance sheet, ensuring that capital reserves remain sufficient to support ongoing organic growth and strategic acquisitions. Overseeing the treasury functions, the Chief Financial Officer monitors interest rate risk and investment portfolio performance to protect the bank's assets. Asylbek Osmonov collaborates with the executive team to provide data-driven insights that inform lending policies and commercial expansion efforts. By maintaining transparent communication with investors and regulatory bodies, the Chief Financial Officer upholds the institution's reputation for fiscal integrity. This leadership role requires constant vigilance regarding economic shifts in the Texas and Oklahoma markets, ensuring that the bank's financial foundation remains secure while supporting the diverse needs of individual and commercial clients.

Sloan Losee, the Banking Center President at Prosperity Bank, oversees the delivery of comprehensive financial services within the designated market area. Losee directs the local team in providing checking, savings, and lending solutions to individuals and small businesses. By fostering strong relationships with community members, the Banking Center President ensures that the bank's commitment to personalized service remains a priority. Sloan Losee manages the daily operations of the banking center, focusing on operational efficiency and the promotion of digital banking tools to enhance client convenience. This leadership role involves active participation in local business development, identifying opportunities to support agricultural operations and professional practices. Through the application of local decision-making authority, the Banking Center President tailors financial products to meet the specific needs of the community, thereby strengthening the bank's market position and ensuring long-term customer loyalty within the region.

Darron Drago, the President, Area (Houston) at Prosperity Bank, leads the strategic expansion and operational management of the bank's presence in the Houston market. Drago directs the commercial lending teams, focusing on large-scale commercial real estate and industrial loans that drive regional economic activity. Overseeing the integration of treasury management services for commercial enterprises, the President, Area (Houston) ensures that the bank provides sophisticated solutions to complex business needs. Darron Drago collaborates with other regional leaders to maintain consistent service quality across the metropolitan area. By emphasizing deep community involvement and local decision-making, the President, Area (Houston) strengthens the bank's competitive advantage. This leadership role involves managing high-value client relationships and ensuring that the bank's conservative lending practices are upheld, thereby supporting the overall credit quality and financial stability of the institution within this critical market.

Clinton Hille, the Banking Center President-Smithville at Prosperity Bank, manages the financial operations and client relations within the Smithville market. Hille directs the provision of traditional banking services, including residential mortgages and consumer financing, to local families and small businesses. By prioritizing personalized service, the Banking Center President-Smithville ensures that the bank's community banking philosophy remains central to all interactions. Clinton Hille oversees the local loan production efforts, focusing on agricultural and small business lending that supports the regional economy. This leadership role involves leveraging digital banking capabilities to provide modern solutions while maintaining the personal touch that defines the institution. Through active community engagement, the Banking Center President-Smithville builds trust and fosters long-term relationships, ensuring that the bank remains a primary financial partner for the residents and businesses in the area.

Kimberly Bernshausen, the Banking Center President and Commercial Loan Officer at Prosperity Bank, manages both the administrative operations of the banking center and the origination of commercial loans. Bernshausen directs the assessment of credit risk for small and medium-sized businesses, ensuring that lending solutions align with the bank's conservative standards. Overseeing the daily activities of the banking center, the Banking Center President and Commercial Loan Officer promotes the adoption of mobile and online banking tools to improve client experience. Kimberly Bernshausen collaborates with local business owners to provide tailored cash management services that support operational growth. This leadership role requires a balance between maintaining high service standards and executing effective loan production strategies. By focusing on the specific needs of the local market, the Banking Center President and Commercial Loan Officer drives the bank's mission of providing accessible and reliable financial services.

Laura Vinson, the President, Market, Commercial Lender at Prosperity Bank, leads the market-level strategy and commercial lending initiatives for the assigned territory. Vinson directs the development of complex commercial and industrial loan portfolios, ensuring that the bank meets the sophisticated needs of larger commercial enterprises. Overseeing the market's growth, the President, Market, Commercial Lender identifies new business opportunities and fosters relationships with professional practices and agricultural operations. Laura Vinson collaborates with the wealth management division to offer comprehensive financial planning services to high-net-worth clients. By maintaining a focus on prudent risk management and strong credit quality, the President, Market, Commercial Lender ensures that the bank's expansion efforts remain sustainable. This leadership role involves coordinating with other regional executives to align market activities with the overall corporate strategy, thereby reinforcing the bank's reputation for excellence and community-focused financial support.

Timothy Stubenrouch, the Regional President at Prosperity Bank, oversees the operational performance and strategic direction of multiple banking centers within the assigned region. Stubenrouch directs the implementation of corporate policies, ensuring that all locations maintain the bank's high standards for customer service and credit quality. Overseeing the regional loan production, the Regional President focuses on diversifying the lending portfolio to include residential mortgages, home equity loans, and commercial financing. Timothy Stubenrouch collaborates with local banking center presidents to optimize resource allocation and enhance the delivery of digital banking solutions. By monitoring regional economic trends, the Regional President identifies opportunities to expand the bank's footprint and deepen community involvement. This leadership role involves managing the balance between organic growth and the maintenance of the bank's core community banking philosophy, ensuring that the institution remains a trusted financial partner across the region.