Peapack-Gladstone Bank Executive and Leadership Team

June, 2026

Leadership Overview

Peapack-Gladstone Bank has 8 executives leading key functions including finance, technology, operations, market strategy, product development, wealth management, trust services, and overall corporate direction.

Driven by a legacy of client-centricity, Peapack-Gladstone Bank is dedicated to empowering businesses, nonprofits, and consumers through innovative private banking services, fostering legacy establishment and expansion with an unparalleled commitment to service across its digital and physical touchpoints.

Leadership Roles at Peapack-Gladstone Bank

  • Chief Financial Officer - Arthur Birmingham
  • Executive Vice President & Chief Operating Officer - Robert Plante
  • Market President - Diane Conboy
  • President, Scinet Development - John Lanier
  • Fiduciary Chief Officer & President, Pgb Trust & Investments of Delaware - Mj Sully
  • President - Anthony Perettine
  • Chief Technology Officer - John Kowal
  • Senior Managing Director, Chief Administrative Officer, Peapack Private Wealth Management - Amy Long
  • Arthur Birmingham - Chief Financial Officer

    Arthur Birmingham, the Chief Financial Officer at Peapack-Gladstone Bank, directs all financial planning, accounting, and reporting functions. Birmingham oversees the bank's capital structure, manages investment strategies, and ensures fiscal compliance with regulatory standards. This leadership role involves optimizing financial performance and driving profitability through strategic resource allocation. By analyzing market trends and economic indicators, Arthur Birmingham guides the bank's financial resilience and growth initiatives. The Chief Financial Officer's oversight extends to managing risk exposure and enhancing shareholder value, directly impacting the bank's long-term stability and operational efficiency.

    Robert Plante - Executive Vice President & Chief Operating Officer

    Robert Plante, the Executive Vice President & Chief Operating Officer at Peapack-Gladstone Bank, directs daily operational activities and business process optimization. Plante oversees branch network efficiency, customer service delivery, and the implementation of strategic initiatives across all departments. This executive position involves ensuring seamless integration of services and maximizing operational throughput. By streamlining workflows and enhancing service protocols, Robert Plante supports the bank's commitment to unparalleled client service. The Chief Operating Officer's focus on operational excellence drives efficiency and scalability, directly contributing to the bank's market position and client satisfaction.

    Diane Conboy - Market President

    Diane Conboy, the Market President at Peapack-Gladstone Bank, spearheads strategic growth and client relationship management within key geographic regions. Conboy cultivates business development opportunities, strengthens community ties, and ensures localized service delivery aligns with the bank's broader objectives. This leadership role involves driving market penetration and expanding the bank's client base through targeted outreach. By fostering strong relationships with businesses and consumers, Diane Conboy enhances the bank's regional presence and service impact. The Market President's dedication to client success directly supports the bank's mission of establishing and expanding client legacies.

    John Lanier - President, Scinet Development

    John Lanier, the President, Scinet Development at Peapack-Gladstone Bank, leads the strategic direction and execution of the bank's technology development initiatives. Lanier oversees the creation and enhancement of proprietary software solutions and digital platforms designed to support private banking services. This role focuses on innovation and the integration of advanced technological capabilities to meet evolving client needs. By driving the development of cutting-edge tools, John Lanier ensures the bank maintains a competitive edge in the digital financial landscape. The President, Scinet Development's vision shapes the future of the bank's technological offerings, directly impacting service delivery and operational effectiveness.

    Mj Sully - Fiduciary Chief Officer & President, Pgb Trust & Investments of Delaware

    Mj Sully, the Fiduciary Chief Officer & President, Pgb Trust & Investments of Delaware at Peapack-Gladstone Bank, governs all fiduciary activities and trust services. Sully ensures the highest standards of ethical conduct and regulatory compliance in managing client assets and estates. This executive role involves developing and implementing strategies for trust administration and investment management. By upholding fiduciary duties with precision, Mj Sully safeguards client interests and enhances the bank's reputation for trust and reliability. The Fiduciary Chief Officer's oversight is crucial for maintaining client confidence and driving the growth of the bank's trust and investment services.

    Anthony Perettine - President

    Anthony Perettine, the President at Peapack-Gladstone Bank, provides overarching leadership and strategic vision for the entire organization. Perettine guides corporate development, fosters key stakeholder relationships, and ensures the bank's mission and values are upheld across all operations. This executive position involves setting the tone for client service excellence and driving sustainable growth. By championing the bank's commitment to innovation and client success, Anthony Perettine reinforces its market leadership. The President's strategic direction is fundamental to the bank's continued expansion and its ability to serve businesses, nonprofits, and consumers effectively.

    John Kowal - Chief Technology Officer

    John Kowal, the Chief Technology Officer at Peapack-Gladstone Bank, architects and executes the bank's technology strategy. Kowal oversees all IT infrastructure, digital transformation efforts, and cybersecurity protocols, ensuring robust and secure operations. This critical role involves evaluating emerging technologies to enhance client services and internal efficiencies. By driving innovation in digital platforms and data management, John Kowal supports the bank's mission to provide cutting-edge private banking solutions. The Chief Technology Officer's leadership ensures technological alignment with business objectives, safeguarding sensitive data and optimizing system performance across the organization.

    Amy Long - Senior Managing Director, Chief Administrative Officer, Peapack Private Wealth Management

    Amy Long, the Senior Managing Director, Chief Administrative Officer, Peapack Private Wealth Management at Peapack-Gladstone Bank, directs administrative operations and strategic planning for the wealth management division. Long oversees client onboarding, operational support, and compliance frameworks specific to wealth advisory services. This position involves ensuring the seamless delivery of personalized financial solutions and managing the division's resources effectively. By optimizing administrative processes, Amy Long enhances the client experience and supports the growth of the Peapack Private Wealth Management arm. The Chief Administrative Officer's leadership ensures operational integrity and strategic alignment within the wealth management sector.

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    Frequently Asked Questions Regarding Peapack-Gladstone Bank Top Executives and Leadership Team

    Who leads Peapack-Gladstone Bank?
    Peapack-Gladstone Bank is led by Arthur Birmingham (Chief Financial Officer), along with executives such as Robert Plante (Executive Vice President & Chief Operating Officer) and Diane Conboy (Market President).
    Who is part of Peapack-Gladstone Bank’s executive team?
    The executive team of Peapack-Gladstone Bank includes leaders such as Arthur Birmingham (Chief Financial Officer), Robert Plante (Executive Vice President & Chief Operating Officer), Diane Conboy (Market President) and other senior executives.
    How many executives does Peapack-Gladstone Bank have?
    Peapack-Gladstone Bank has 8 executives leading key business areas.
    What roles are included in Peapack-Gladstone Bank’s leadership team?
    The leadership team of Peapack-Gladstone Bank includes roles such as Chief Financial Officer, Executive Vice President & Chief Operating Officer, Market President, President, Scinet Development, Fiduciary Chief Officer & President, Pgb Trust & Investments of Delaware.