Alliant Executive and Leadership Team

July, 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 provides comprehensive risk solutions and innovative approaches to service, solidifying its position as a leading specialty insurance broker across diverse industries.

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 overall strategic vision and operational execution for one of the nation's largest insurance brokerage and risk management firms. Zimmer guides the company's expansion across multiple disciplines, including property and casualty, employee benefits, and professional liability, ensuring alignment with Alliant's mission of delivering comprehensive risk solutions. The Chief Executive Officer oversees the integration of specialized national platforms and local offices, fostering a collaborative culture that emphasizes client service and innovative problem-solving. Under Zimmer's leadership, Alliant maintains its commitment to creative problem-solving and deep brokerage expertise, enabling the firm to meet the evolving needs of clients across diverse industries. Gregory Zimmer actively shapes the company's market impact by driving growth and reinforcing the employee-owned structure that aligns all personnel with long-term organizational success. This executive leadership ensures Alliant remains a dynamic force in managing complex risks through tailored insurance programs.
    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 specialized divisions, ensuring robust financial health and sustainable growth. Dalia oversees all aspects of financial planning, analysis, and reporting, directly supporting Alliant's broad geographic reach and its comprehensive risk solutions across property and casualty, employee benefits, and other complex risk classes. The Chief Financial Officer (Alliant Specialty Group) plays a pivotal role in capital allocation and investment decisions, aligning financial resources with the company's innovative approach to client service and market expansion. Reshma Dalia's expertise is crucial in navigating the financial complexities inherent in the insurance brokerage sector, ensuring profitability and operational efficiency. This executive leadership ensures that Alliant Specialty Group maintains its strong financial footing, enabling continued investment in talent, technology, and client-focused initiatives, thereby reinforcing the firm's market leadership and long-term success.

    Pablo Smith - Chief Operating Officer - ACG

    Pablo Smith, the Chief Operating Officer - ACG at Alliant, directs the operational framework and service delivery for the Alliant Construction Group, ensuring seamless execution of risk management and insurance solutions. Smith oversees the day-to-day operations, optimizing processes to enhance efficiency and client satisfaction across the construction sector, a key area for Alliant's broad geographic reach. The Chief Operating Officer - ACG is responsible for integrating the firm's innovative approach to client service with the specific needs of construction clients, managing resources effectively to deliver comprehensive risk management programs. Pablo Smith's leadership ensures that the ACG operates with the highest standards of performance, supporting the company's commitment to deep brokerage expertise and creative problem-solving. This executive ensures the ACG's operational excellence contributes significantly to Alliant's overall market position and its ability to provide tailored solutions for complex risk classes within the construction industry.
    Pablo Smith

    Michael Cusack - President, Alliant Property & Casualty

    Michael Cusack, the President, Alliant Property & Casualty at Alliant, leads the strategic direction and operational oversight for the company's property and casualty insurance division, a cornerstone of its comprehensive risk solutions. Cusack drives the expansion and innovation within this critical segment, ensuring clients receive tailored coverage and expert risk analysis across Alliant's broad geographic reach. The President, Alliant Property & Casualty oversees the development of specialized programs that address the unique needs of policyholders, reinforcing the company's commitment to creative problem-solving and exceptional client service. Michael Cusack's leadership ensures the property and casualty division operates with maximum efficiency and market responsiveness, contributing significantly to Alliant's overall market impact. This executive's focus on this specific risk class strengthens Alliant's ability to manage complex insurance needs and maintain its leadership position in the industry.
    Michael Cusack

    Robert Aratingi - Vice- President

    Robert Aratingi, the Vice- President at Alliant, contributes to the firm's strategic objectives and operational execution, supporting the delivery of comprehensive risk solutions and innovative client services. Aratingi works across various functions to enhance Alliant's broad geographic reach and its commitment to deep brokerage expertise. The Vice- President plays a key role in facilitating internal collaboration and ensuring that specialized national platforms and local offices effectively meet client needs. Robert Aratingi's contributions support the company's overarching mission of providing tailored insurance programs and expert risk management advice. This executive's involvement helps maintain Alliant's dynamic approach to client service and its position as a leading specialty insurance broker, ensuring operational alignment with the firm's strategic goals.

    Ryan Skadberg - Chief Technology Officer

    Ryan Skadberg, the Chief Technology Officer at Alliant, architects the technological infrastructure and digital strategy that underpins the firm's comprehensive risk solutions and innovative client service. Skadberg drives the development and implementation of advanced technology platforms, ensuring seamless integration across Alliant's broad geographic reach and diverse service offerings, from property and casualty to employee benefits. The Chief Technology Officer oversees the digital transformation initiatives that enhance operational efficiency and client engagement, supporting the company's commitment to creative problem-solving. By leveraging cutting-edge technology, Skadberg enables the specialized national platforms and local offices to deliver customized coverage, risk analysis, and consulting services more effectively. Ryan Skadberg's role is critical in maintaining Alliant's competitive edge by ensuring robust, scalable, and secure technological capabilities that support the evolving needs of clients across all industries. This leadership ensures the firm's technological backbone supports its market leadership and client-centric approach.

    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 firm's diverse brokerage operations. Goode focuses on expanding Alliant's market presence and enhancing its comprehensive risk solutions, leveraging deep industry expertise to serve clients across multiple disciplines. The Senior Executive Vice President and Managing Director plays a crucial role in developing and executing strategies that align with Alliant's innovative approach to client service and its broad geographic reach. Mark Goode's leadership is instrumental in fostering strong partnerships with insurance carriers and policyholders, ensuring the delivery of tailored insurance programs and risk management advice. This executive's focus on strategic development and market penetration reinforces Alliant's position as a dynamic leader in the insurance brokerage landscape, contributing directly to the company's sustained success and client retention.

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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.