Johnson Financial Group Executive and Leadership Team

August, 2026

Leadership Overview

Johnson Financial Group has 10 executives leading key functions including strategy, banking operations, technology, information systems, financial management, human resources, and regional market development.

Committed to long-term client prosperity, Johnson Financial Group delivers comprehensive banking, lending, and investment advisory services while maintaining a strong focus on community-centered financial growth.

Leadership Roles at Johnson Financial Group

  • Chief Executive Officer - Johnson Dieujuste
  • President & Chief Executive Officer - James Popp
  • Chief Financial Officer - Jeffrey Blonski
  • Chief Operating Officer - Ronald Lehmann
  • Market President - Thomas Turngren
  • Market President - Stephen Zimmerman
  • President (Johnson Bank) - Rob Nielsen
  • Chief Technology Officer - Putnam Gibson
  • Chief Information Officer - Erin Zickus
  • Chief Human Resources Officer - Jessica Janiszewski
  • Johnson Dieujuste - Chief Executive Officer

    Johnson Dieujuste, the Chief Executive Officer at Johnson Financial Group, directs the overarching strategic vision for the institution. Dieujuste architects long-term growth initiatives by aligning banking services with evolving market demands across the Midwest. By overseeing the integration of personal loan products and investment advisory services, the Chief Executive Officer ensures consistent value delivery for all clients. This leadership role involves constant collaboration with the Board to maintain fiscal health and operational excellence. Johnson Dieujuste monitors competitive landscapes to refine the firm's market position, ensuring that the institution remains a leader in personal and commercial banking. Through rigorous oversight of corporate governance, the Chief Executive Officer drives sustainable performance. Dieujuste prioritizes client-centric solutions, fostering trust and stability within the financial ecosystem. Ultimately, the Chief Executive Officer secures the future of the organization by balancing risk management with aggressive expansion strategies.

    James Popp - President & Chief Executive Officer

    James Popp, the President & Chief Executive Officer at Johnson Financial Group, manages the daily execution of corporate objectives and high-level banking operations. Popp drives the implementation of complex financial strategies, focusing on the expansion of checking and savings portfolios. As the President & Chief Executive Officer, Popp coordinates cross-departmental efforts to streamline loan processing and investment advisory workflows. This role requires deep engagement with regional market leaders to ensure service consistency across all branches. James Popp evaluates operational metrics to optimize efficiency, ensuring that the institution meets rigorous regulatory standards while delivering superior customer experiences. By fostering a culture of accountability, the President & Chief Executive Officer maintains high performance across all banking divisions. Popp oversees the alignment of internal resources with the broader mission of the firm. Through strategic resource allocation, the President & Chief Executive Officer strengthens the competitive standing of the organization in the financial sector.

    Jeffrey Blonski - Chief Financial Officer

    Jeffrey Blonski, the Chief Financial Officer at Johnson Financial Group, directs the fiscal strategy and financial reporting processes for the entire institution. Blonski oversees capital allocation, ensuring that resources support the growth of home and personal loan divisions. As the Chief Financial Officer, Blonski manages the balance sheet to maintain liquidity and regulatory compliance. This role involves constant monitoring of market trends to inform investment advisory strategies and risk assessment protocols. Jeffrey Blonski collaborates with the executive team to forecast revenue and manage operational expenses effectively. By implementing rigorous financial controls, the Chief Financial Officer safeguards the assets of the firm and its clients. Blonski drives the development of long-term financial models that support the strategic goals of the organization. Through precise financial oversight, the Chief Financial Officer ensures the continued stability and profitability of the institution in a complex economic environment.
    Jeffrey Blonski

    Ronald Lehmann - Chief Operating Officer

    Ronald Lehmann, the Chief Operating Officer at Johnson Financial Group, manages the internal processes and operational workflows that sustain daily banking activities. Lehmann directs the efficiency of branch operations, ensuring that checking, savings, and loan services function without interruption. Overseeing the operational infrastructure, the Chief Operating Officer implements standardized procedures to improve service delivery across all regions. This role involves coordinating with department heads to resolve bottlenecks and enhance productivity. Ronald Lehmann drives the execution of operational policies that align with the broader mission of the firm. By optimizing the supply chain of financial products, the Chief Operating Officer ensures that client needs are met with speed and accuracy. Lehmann monitors performance metrics to identify areas for process improvement. Through disciplined management of daily operations, the Chief Operating Officer maintains the high service standards expected by clients of the institution.

    Thomas Turngren - Market President

    Thomas Turngren, the Market President at Johnson Financial Group, directs regional business development and client relationship management. Turngren oversees the expansion of banking services within specific geographic territories, focusing on increasing the adoption of personal loans and investment advice. As the Market President, Turngren manages local branch performance and ensures that regional operations align with the national strategy of the firm. This role involves building strong community partnerships to drive brand awareness and customer acquisition. Thomas Turngren monitors local economic indicators to tailor financial solutions to the unique needs of the regional market. By leading local teams, the Market President fosters a culture of high-touch service and professional integrity. Turngren coordinates with the executive leadership to implement corporate initiatives at the branch level. Through active market engagement, the Market President secures the firm's presence and growth in key regional territories.

    Stephen Zimmerman - Market President

    Stephen Zimmerman, the Market President at Johnson Financial Group, manages the strategic growth and operational success of banking services in designated markets. Zimmerman directs the sales and service teams to ensure that checking, savings, and loan products reach target demographics effectively. As the Market President, Zimmerman oversees the implementation of client retention strategies that emphasize long-term financial planning and investment advisory. This role involves analyzing regional market data to identify new opportunities for service expansion. Stephen Zimmerman drives the development of local professional networks to enhance the reputation of the firm. By mentoring branch managers, the Market President ensures consistent service quality across all regional locations. Zimmerman collaborates with the central office to align regional activities with the overall corporate mission. Through focused market leadership, the Market President drives revenue growth and strengthens the competitive footprint of the institution in the assigned territory.

    Rob Nielsen - President (Johnson Bank)

    Rob Nielsen, the President (Johnson Bank) at Johnson Financial Group, directs the core banking operations and product development for the primary banking division. Nielsen oversees the management of checking and savings accounts, ensuring that these foundational services meet the needs of a diverse client base. As the President (Johnson Bank), Nielsen manages the loan origination processes, focusing on home and personal lending solutions. This role involves coordinating with the risk management team to ensure that all lending activities remain within safe parameters. Rob Nielsen drives the innovation of banking products to maintain relevance in a competitive financial market. By overseeing the daily operations of the bank, the President (Johnson Bank) ensures that all regulatory requirements are met with precision. Nielsen collaborates with other executives to integrate banking services with broader investment advisory offerings. Through dedicated leadership, the President (Johnson Bank) maintains the operational integrity and customer trust of the institution.
    Rob Nielsen

    Putnam Gibson - Chief Technology Officer

    Putnam Gibson, the Chief Technology Officer at Johnson Financial Group, architects the digital infrastructure supporting modern banking and investment platforms. Gibson directs the development of secure, scalable software solutions that facilitate seamless checking and savings account management. Overseeing the technical roadmap, the Chief Technology Officer ensures that all digital banking tools remain resilient against emerging cyber threats. This leadership role involves constant collaboration with the information security teams to protect sensitive client data. Putnam Gibson drives innovation by integrating advanced financial technology into the existing service framework, enhancing the user experience for personal loan applicants. By modernizing legacy systems, the Chief Technology Officer improves operational speed and reliability across the entire enterprise. Gibson manages the technical budget to maximize return on investment for digital initiatives. Ultimately, the Chief Technology Officer maintains the technological edge necessary for the firm to compete effectively in a rapidly digitizing financial landscape.

    Erin Zickus - Chief Information Officer

    Erin Zickus, the Chief Information Officer at Johnson Financial Group, manages the data architecture and information systems that underpin all banking operations. Zickus directs the governance of enterprise data, ensuring accuracy and compliance across checking, savings, and loan portfolios. Overseeing the information technology department, the Chief Information Officer optimizes system performance to support the firm's investment advisory services. This role involves implementing robust data analytics tools that provide actionable insights for executive decision-making. Erin Zickus coordinates with the technology team to ensure seamless integration of new software platforms. By maintaining high standards for data integrity, the Chief Information Officer supports the overall security posture of the institution. Zickus drives the digital transformation strategy, focusing on improving internal workflows and client-facing information accessibility. Through meticulous management of information assets, the Chief Information Officer ensures that the firm remains agile and responsive to changing market conditions.
    Erin Zickus

    Jessica Janiszewski - Chief Human Resources Officer

    Jessica Janiszewski, the Chief Human Resources Officer at Johnson Financial Group, directs the talent acquisition and organizational development strategies for the firm. Janiszewski oversees the recruitment of skilled professionals capable of supporting the complex needs of banking and investment clients. As the Chief Human Resources Officer, Janiszewski manages employee engagement programs that foster a culture of excellence and service. This role involves designing training initiatives that keep staff updated on the latest financial regulations and customer service best practices. Jessica Janiszewski drives the implementation of performance management systems that align individual contributions with corporate goals. By cultivating a diverse and inclusive workforce, the Chief Human Resources Officer strengthens the internal capabilities of the organization. Janiszewski manages compensation and benefits structures to attract and retain top-tier talent. Through strategic human capital management, the Chief Human Resources Officer ensures that the firm possesses the expertise required to maintain its market position.

    Explore Leadership Teams in Banking

    Frequently Asked Questions Regarding Johnson Financial Group Top Executives and Leadership Team

    Who leads Johnson Financial Group?
    Johnson Financial Group is led by Johnson Dieujuste (Chief Executive Officer), along with executives such as James Popp (President & Chief Executive Officer) and Jeffrey Blonski (Chief Financial Officer).
    Who is part of Johnson Financial Group’s executive team?
    The executive team of Johnson Financial Group includes leaders such as Johnson Dieujuste (Chief Executive Officer), James Popp (President & Chief Executive Officer), Jeffrey Blonski (Chief Financial Officer) and other senior executives.
    How many executives does Johnson Financial Group have?
    Johnson Financial Group has 10 executives leading key business areas.
    What roles are included in Johnson Financial Group’s leadership team?
    The leadership team of Johnson Financial Group includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Market President.