Byline Bank Executive and Leadership Team

September, 2026

Leadership Overview

Byline Bank has 7 executives leading key functions including strategy, operations, finance, and regional banking management.

Committed to community-focused financial growth, Byline Bank delivers comprehensive banking solutions while maintaining a robust, service-oriented approach to public deposits and commercial lending across the Midwest.

Leadership Roles at Byline Bank

  • Chief Executive Officer - Gary Fix
  • Chief Financial Officer & Executive Vice President - Paul Berley
  • Senior Vice President, Chief Operating Officer, Small Business Capital Division - Thomas Carls
  • President - William McGuire
  • President - Raymond Petersen
  • President - Colleen Ryan
  • Group President, At Byline Financial - Patrick Tatarek
  • Gary Fix - Chief Executive Officer

    Gary Fix, the Chief Executive Officer at Byline Bank, directs the overarching strategic vision and long-term growth trajectory for the institution. Overseeing the alignment of all banking divisions, the Chief Executive Officer ensures that the organization maintains a competitive edge in the Chicago financial market. This leadership role involves constant collaboration with the Board to refine risk management protocols and capital allocation strategies. By prioritizing customer-centric service models, Gary Fix drives the expansion of deposit and loan portfolios across the region. The Chief Executive Officer monitors macroeconomic trends to adjust institutional policies, ensuring stability and sustainable profitability. Through rigorous oversight of executive performance, the Chief Executive Officer fosters a culture of operational excellence. Ultimately, Fix secures the financial health of the bank while upholding the core mission of providing accessible, high-quality banking services to the public.

    Paul Berley - Chief Financial Officer & Executive Vice President

    Paul Berley, the Chief Financial Officer & Executive Vice President at Byline Bank, architects the financial framework and fiscal reporting standards for the entire organization. Overseeing the treasury functions and capital structure, the Chief Financial Officer & Executive Vice President ensures that the bank maintains optimal liquidity ratios and regulatory compliance. This leadership role involves managing investor relations and providing transparent financial insights to the Board. By implementing advanced analytical tools, Paul Berley drives cost-efficiency initiatives that bolster the bottom line. The Chief Financial Officer & Executive Vice President monitors market volatility to protect the bank's assets and optimize investment returns. Through rigorous financial planning and analysis, the Chief Financial Officer & Executive Vice President supports the strategic objectives of the executive team. Ultimately, Berley ensures the long-term fiscal integrity of the institution while facilitating sustainable growth in the competitive banking landscape.

    Thomas Carls - Senior Vice President, Chief Operating Officer, Small Business Capital Division

    Thomas Carls, the Senior Vice President, Chief Operating Officer, Small Business Capital Division at Byline Bank, manages the daily operational workflows and lending efficiency for the small business sector. Overseeing the integration of digital lending platforms, the Senior Vice President, Chief Operating Officer, Small Business Capital Division optimizes the loan approval process to accelerate capital deployment for entrepreneurs. This leadership role requires close coordination with the finance department to ensure liquidity and compliance with federal banking regulations. By streamlining internal processes, Thomas Carls enhances the scalability of the division, allowing for broader market penetration across the United States. The Senior Vice President, Chief Operating Officer, Small Business Capital Division monitors portfolio performance metrics to mitigate credit risk effectively. Through strategic resource allocation, the Senior Vice President, Chief Operating Officer, Small Business Capital Division supports the bank's commitment to fostering small business growth and economic development.

    William McGuire - President

    William McGuire, the President at Byline Bank, directs the retail banking operations and customer service initiatives across the branch network. Overseeing the implementation of consumer-facing products, the President ensures that deposit services and personal banking solutions meet the evolving needs of the public. This leadership role involves managing regional branch performance and fostering strong community relationships. By optimizing the customer experience, William McGuire drives deposit growth and enhances brand loyalty within the Chicago metropolitan area. The President coordinates with the marketing and operations teams to launch new financial products that align with the bank's mission. Through consistent monitoring of service quality metrics, the President maintains high standards of operational efficiency. Ultimately, McGuire strengthens the bank's market position by delivering reliable, accessible, and personalized banking services to a diverse client base, ensuring that the institution remains a trusted pillar of the local community.

    Raymond Petersen - President

    Raymond Petersen, the President at Byline Bank, manages the commercial lending portfolio and corporate banking relationships. Overseeing the development of complex credit facilities, the President ensures that the bank provides tailored financial solutions to mid-market enterprises. This leadership role involves analyzing industry-specific risks and structuring loans that support business expansion and operational stability. By cultivating deep partnerships with corporate clients, Raymond Petersen drives revenue growth and expands the bank's footprint in the commercial sector. The President collaborates with the risk management team to maintain a healthy loan-to-deposit ratio and ensure portfolio diversification. Through strategic oversight of the commercial lending division, the President facilitates the bank's mission to support economic development. Ultimately, Petersen secures the bank's reputation as a premier partner for businesses, ensuring that the institution provides the necessary capital and financial expertise to fuel long-term corporate success and regional economic vitality.

    Colleen Ryan - President

    Colleen Ryan, the President at Byline Bank, leads the wealth management and private banking divisions, focusing on high-net-worth client services. Overseeing the investment advisory teams, the President ensures that clients receive comprehensive financial planning and asset management strategies. This leadership role involves integrating trust services and estate planning into the bank's broader service offerings. By delivering personalized financial guidance, Colleen Ryan drives the growth of assets under management and strengthens client retention. The President coordinates with the executive team to align wealth management strategies with the bank's overall risk appetite and growth objectives. Through the implementation of sophisticated investment platforms, the President enhances the value proposition for private banking clients. Ultimately, Ryan fosters long-term relationships with individuals and families, ensuring that the bank provides the specialized financial expertise required to preserve and grow wealth across generations while maintaining the highest standards of fiduciary responsibility.

    Patrick Tatarek - Group President, At Byline Financial

    Patrick Tatarek, the Group President, At Byline Financial at Byline Bank, directs the specialized equipment leasing and financing operations. Overseeing the national sales force, the Group President, At Byline Financial ensures that the bank provides flexible financing solutions for equipment acquisition across various industries. This leadership role involves managing vendor relationships and optimizing the credit underwriting process for specialized assets. By expanding the reach of the financial services division, Patrick Tatarek drives revenue diversification and strengthens the bank's competitive position in the national market. The Group President, At Byline Financial monitors industry trends to identify new opportunities for asset-based lending and leasing. Through strategic management of the division's portfolio, the Group President, At Byline Financial supports the bank's mission to provide essential capital for business growth. Ultimately, Tatarek ensures the profitability and operational success of the financial services arm, delivering value to both the bank and its diverse commercial clients.

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    Frequently Asked Questions Regarding Byline Bank Top Executives and Leadership Team

    Who leads Byline Bank?
    Byline Bank is led by Gary Fix (Chief Executive Officer), along with executives such as Paul Berley (Chief Financial Officer & Executive Vice President) and Thomas Carls (Senior Vice President, Chief Operating Officer, Small Business Capital Division).
    Who is part of Byline Bank’s executive team?
    The executive team of Byline Bank includes leaders such as Gary Fix (Chief Executive Officer), Paul Berley (Chief Financial Officer & Executive Vice President), Thomas Carls (Senior Vice President, Chief Operating Officer, Small Business Capital Division) and other senior executives.
    How many executives does Byline Bank have?
    Byline Bank has 7 executives leading key business areas.
    What roles are included in Byline Bank’s leadership team?
    The leadership team of Byline Bank includes roles such as Chief Executive Officer, Chief Financial Officer & Executive Vice President, Senior Vice President, Chief Operating Officer, Small Business Capital Division, President, President.