Alliant Executive and Leadership Team

June, 2026

Leadership Overview

Alliant has 7 executives leading key functions including strategy, technology, finance, operations, property & casualty, and risk management.

Driven by a commitment to client success, Alliant operates as a leading specialty insurance broker, delivering comprehensive risk solutions and fostering a collaborative, employee-owned culture to meet evolving industry needs.

Leadership Roles at Alliant

  • Chief Executive Officer - Gregory Zimmer
  • Chief Financial Officer (Alliant Specialty Group) - Reshma Dalia
  • Chief Operating Officer - ACG - Pablo Smith
  • President, Alliant Property & Casualty - Michael Cusack
  • Vice- President - Robert Aratingi
  • 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 execution for one of the nation's largest insurance brokerage and risk management firms. Zimmer guides the company's expansion across diverse disciplines, including property and casualty, employee benefits, and professional liability, ensuring alignment with Alliant's mission to provide comprehensive risk solutions. His leadership focuses on leveraging the firm's broad geographic reach and innovative approach to client service, maintaining Alliant's position as a leader in specialty insurance. Under Zimmer's direction, the company cultivates its majority employee-owned structure, reinforcing a culture of collaboration and long-term organizational success. Gregory Zimmer champions the integration of deep brokerage expertise with creative problem-solving, enabling Alliant to adapt to the dynamic needs of clients across various industries and solidify its market presence.
    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 specialty divisions of the firm. Dalia oversees budgeting, forecasting, financial reporting, and capital allocation, ensuring the financial health and sustainable growth of Alliant Specialty Group. Her expertise is crucial in navigating the complex financial landscape of the insurance industry, supporting the company's comprehensive risk solutions and broad geographic reach. The Chief Financial Officer (Alliant Specialty Group) plays a key part in evaluating investment opportunities and optimizing financial performance across multiple disciplines, including property and casualty and employee benefits. Reshma Dalia's leadership ensures that financial resources are strategically deployed to support Alliant's innovative approach to client service and its commitment to long-term organizational success within its employee-owned structure.

    Pablo Smith - Chief Operating Officer - ACG

    Pablo Smith, the Chief Operating Officer - ACG at Alliant, directs the operational efficiency and service delivery for the Alliant Construction Group. Smith oversees the day-to-day management of ACG's business functions, ensuring seamless execution of risk management strategies and client service initiatives. His focus is on optimizing internal processes, enhancing operational scalability, and supporting the specialized needs of clients within the construction sector. The Chief Operating Officer - ACG ensures that ACG's network of specialized platforms and local offices effectively deliver customized coverage, risk analysis, and claims advocacy. Pablo Smith's leadership is integral to maintaining Alliant's reputation for comprehensive risk solutions and its innovative approach to client engagement, driving operational excellence across the ACG division and contributing to the firm's overall market leadership.
    Pablo Smith

    Michael Cusack - President, Alliant Property & Casualty

    Michael Cusack, the President, Alliant Property & Casualty at Alliant, spearheads the strategic direction and operational management of the company's property and casualty insurance offerings. Cusack directs the development of specialized insurance products and services designed to meet the unique risk management needs of clients across various sectors. His leadership ensures that Alliant's property and casualty division maintains its reputation for comprehensive risk solutions and an innovative approach to client service. The President, Alliant Property & Casualty oversees the integration of deep brokerage expertise with creative problem-solving, enabling the delivery of tailored coverage and risk analysis. Michael Cusack's focus on market access and personalized relationships strengthens Alliant's ability to provide strategic counsel and robust program design, supporting clients in managing their diverse insurance requirements effectively.
    Michael Cusack

    Robert Aratingi - Vice- President

    Robert Aratingi, the Vice- President at Alliant, contributes to the firm's strategic initiatives and operational oversight, supporting the delivery of comprehensive risk solutions. Aratingi's role involves collaborating with various departments to enhance client service and expand the company's market presence across its broad geographic reach. The Vice- President plays a part in ensuring that Alliant's innovative approach to client service is consistently applied, fostering strong relationships with policyholders and insurance carriers alike. Robert Aratingi's efforts support the company's commitment to providing tailored insurance solutions and expert risk management guidance, reinforcing Alliant's position as a leading specialty insurance broker and contributing to its overall organizational success.

    Ryan Skadberg - Chief Technology Officer

    Ryan Skadberg, the Chief Technology Officer at Alliant, architects the firm's technology infrastructure and digital transformation initiatives. Skadberg oversees the development and implementation of innovative technological solutions that enhance client service, streamline operations, and support Alliant's broad geographic reach. His responsibilities include managing the company's data security, cloud computing strategy, and the integration of advanced analytics to drive business insights. By focusing on scalable and robust technology platforms, the Chief Technology Officer ensures that Alliant maintains its competitive edge in the insurance brokerage sector. Ryan Skadberg's strategic vision for technology empowers the firm's national platforms and local offices, enabling brokers to deliver customized coverage and risk analysis more effectively. This role is critical in supporting Alliant's commitment to creative problem-solving and meeting the evolving digital needs of clients across all industries.

    Mark Goode - Senior Executive Vice President and Managing Director

    Mark Goode, the Senior Executive Vice President and Managing Director at Alliant, leads significant client relationships and drives strategic growth initiatives across key market segments. Goode's extensive experience in insurance brokerage and risk management is pivotal in developing and executing comprehensive risk solutions for complex client needs. His role involves overseeing major accounts and fostering strong partnerships with both clients and insurance carriers, reinforcing Alliant's broad geographic reach and innovative approach to service. The Senior Executive Vice President and Managing Director champions the firm's commitment to personalized relationships and market access, ensuring clients receive strategic counsel and tailored program design. Mark Goode's leadership significantly contributes to Alliant's market position and its ability to meet the evolving demands of organizations across diverse industries.

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    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 7 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, President, Alliant Property & Casualty, Vice- President.