Alliant Executive and Leadership Team

July, 2026

Leadership Overview

Alliant has 8 executives leading key functions including strategy, technology, operations, finance, property & casualty, and regional management.

Driven by a commitment to client success, Alliant is dedicated to providing comprehensive risk solutions and innovative approaches to client service across the United States, fostering a collaborative culture through employee ownership.

Leadership Roles at Alliant

  • Chief Executive Officer - Gregory Zimmer
  • Chief Financial Officer (Alliant Specialty Group) - Reshma Dalia
  • Chief Operating Officer - ACG - Pablo Smith
  • Vice- President - Robert Aratingi
  • President, Office (Boston) - Jeremy Alderman
  • President, Alliant Property & Casualty - Michael Cusack
  • Chief Technology Officer - Ryan Skadberg
  • Senior Executive Vice President and Managing Director - Mark Goode
  • Gregory Zimmer - Chief Executive Officer

    Gregory Zimmer, the Chief Executive Officer at Alliant, directs the overarching strategy and operational framework for one of the nation's largest insurance brokerage and risk management firms. Zimmer guides the company's expansion across diverse risk classes, including property and casualty, employee benefits, and professional liability, ensuring alignment with the core mission of delivering comprehensive risk solutions. His leadership focuses on maintaining Alliant's innovative approach to client service and its broad geographic reach throughout the United States. By championing the company's majority employee-owned structure, Zimmer cultivates a culture that directly links employee success with long-term organizational growth and client satisfaction. The Chief Executive Officer's role involves setting the strategic direction for market penetration and fostering key relationships with insurance carriers and policyholders. Gregory Zimmer's executive oversight ensures the continued development of specialized national platforms and local offices, empowering brokers to provide customized coverage and risk analysis.
    Gregory Zimmer

    Reshma Dalia - Chief Financial Officer (Alliant Specialty Group)

    Reshma Dalia, the Chief Financial Officer (Alliant Specialty Group) at Alliant, manages the financial strategy and fiscal operations for the company's specialty divisions. Dalia oversees budgeting, financial planning, and investment strategies, ensuring robust financial health and supporting the group's growth initiatives. This critical role involves aligning financial resources with the company's mission to provide comprehensive risk solutions and maintain its innovative approach to client service. The Chief Financial Officer (Alliant Specialty Group) ensures that financial decisions support Alliant's broad geographic reach and its commitment to meeting the evolving needs of clients across various industries. By providing strategic financial guidance, Dalia enables the organization to navigate complex risk classes and maintain market leadership. Reshma Dalia's financial acumen is integral to Alliant's long-term success and its ability to deliver value to policyholders and stakeholders.

    Pablo Smith - Chief Operating Officer - ACG

    Pablo Smith, the Chief Operating Officer - ACG at Alliant, directs the operational execution and efficiency for the Alliant Construction Group (ACG) segment. Smith ensures that the ACG's specialized brokerage and risk management services align with the company's broader strategic objectives and commitment to client service. This leadership position involves optimizing internal processes, managing resource allocation, and enhancing the delivery of comprehensive risk solutions within the construction industry. The Chief Operating Officer - ACG plays a vital part in scaling operations to meet client demand across diverse risk classes. By fostering collaboration between ACG teams and national platforms, Smith facilitates the delivery of tailored insurance programs and expert risk analysis. Pablo Smith's operational leadership is key to maintaining Alliant's reputation for innovative problem-solving and its ability to serve complex risk needs effectively.
    Pablo Smith

    Robert Aratingi - Vice- President

    Robert Aratingi, the Vice- President at Alliant, contributes to the strategic direction and operational management of key business units, supporting the firm's expansive service offerings. Aratingi focuses on enhancing client engagement and ensuring the effective delivery of comprehensive risk solutions across various insurance classes. This role is vital in upholding Alliant's commitment to an innovative approach to client service and its broad geographic reach throughout the United States. The Vice- President plays a significant part in fostering a collaborative culture, aligning with the company's employee-owned structure and its dedication to long-term organizational success. By supporting specialized national platforms and local offices, Aratingi helps empower brokers to deliver customized coverage and expert risk analysis. Robert Aratingi's contributions are essential to Alliant's continued growth and its ability to meet the evolving needs of clients.

    Jeremy Alderman - President, Office (Boston)

    Jeremy Alderman, the President, Office (Boston) at Alliant, leads the strategic development and operational oversight for the Boston region, reinforcing Alliant's presence in key markets. Alderman directs efforts to deliver comprehensive risk solutions and innovative client services tailored to the specific needs of businesses in the Northeast. This leadership position is crucial for expanding Alliant's broad geographic reach and ensuring seamless integration of its specialized brokerage expertise. The President, Office (Boston) plays a vital role in cultivating client relationships and fostering a collaborative environment that aligns with the company's employee-owned culture. By managing local operations, Alderman ensures that brokers effectively provide customized coverage, risk analysis, and claims advocacy. Jeremy Alderman's focus on regional growth and client success is central to Alliant's mission of meeting diverse risk management challenges.

    Michael Cusack - President, Alliant Property & Casualty

    Michael Cusack, the President, Alliant Property & Casualty at Alliant, directs the strategic vision and operational execution for the company's property and casualty insurance division. Cusack oversees the development and delivery of comprehensive risk solutions, ensuring that clients receive tailored coverage and expert risk analysis across diverse property and casualty exposures. This leadership role is pivotal in maintaining Alliant's reputation for innovation and its commitment to client service excellence throughout the United States. The President, Alliant Property & Casualty plays a key part in expanding the company's market share and fostering strong relationships with insurance carriers. By championing creative problem-solving, Cusack enables the division to meet the evolving needs of clients across various industries. Michael Cusack's leadership ensures the continued success and growth of Alliant's property and casualty offerings.
    Michael Cusack

    Ryan Skadberg - Chief Technology Officer

    Ryan Skadberg, the Chief Technology Officer at Alliant, architects and executes the firm's technology vision, driving innovation across its extensive operations. Skadberg oversees the development and implementation of digital platforms and systems that enhance client service, streamline risk management processes, and support the company's broad geographic reach. This role is critical in leveraging technology to meet the evolving needs of clients across various industries, from property and casualty to employee benefits and professional liability. The Chief Technology Officer ensures that Alliant's technological infrastructure supports its strategy of combining deep brokerage expertise with creative problem-solving. By managing the integration of new technologies, Skadberg enables brokers to deliver customized coverage, advanced risk analysis, and efficient claims advocacy. Ryan Skadberg's focus on technological advancement is central to maintaining Alliant's position as a leading specialty insurance broker and a dynamic force in the market.

    Mark Goode - Senior Executive Vice President and Managing Director

    Mark Goode, the Senior Executive Vice President and Managing Director at Alliant, spearheads key strategic initiatives and client relationships, driving significant growth within the organization. Goode's leadership focuses on expanding Alliant's market presence and enhancing its comprehensive risk solutions across multiple disciplines. This executive role involves cultivating strong partnerships with insurance carriers and ensuring the delivery of tailored insurance programs that meet the complex needs of clients. The Senior Executive Vice President and Managing Director plays a crucial part in upholding Alliant's reputation for innovative client service and its commitment to problem-solving. By leveraging deep brokerage expertise, Goode guides teams in providing specialized coverage, risk analysis, and consulting services. Mark Goode's extensive experience is instrumental in maintaining Alliant's position as a leading specialty insurance broker with a broad geographic reach.

    Explore Leadership Teams in Insurance

    Frequently Asked Questions Regarding Alliant Top Executives and Leadership Team

    Who leads Alliant?
    Alliant is led by Gregory Zimmer (Chief Executive Officer), along with executives such as Reshma Dalia (Chief Financial Officer (Alliant Specialty Group)) and Pablo Smith (Chief Operating Officer - ACG).
    Who is part of Alliant’s executive team?
    The executive team of Alliant includes leaders such as Gregory Zimmer (Chief Executive Officer), Reshma Dalia (Chief Financial Officer (Alliant Specialty Group)), Pablo Smith (Chief Operating Officer - ACG) and other senior executives.
    How many executives does Alliant have?
    Alliant has 8 executives leading key business areas.
    What roles are included in Alliant’s leadership team?
    The leadership team of Alliant includes roles such as Chief Executive Officer, Chief Financial Officer (Alliant Specialty Group), Chief Operating Officer - ACG, Vice- President, President, Office (Boston).