Alliant Executive and Leadership Team

November, 2026

Leadership Overview

Alliant has 5 executives leading key functions including strategy, technology, operations, corporate development, and regional management.

Driven by a commitment to innovative risk solutions, Alliant delivers comprehensive insurance brokerage and consulting services to clients across the United States through a collaborative, employee-owned business model.

Leadership Roles at Alliant

  • Chief Executive Officer - Gregory Zimmer
  • Chief Operating Officer - ACG - Pablo Smith
  • Vice- President - Robert Aratingi
  • President, Office (Boston) - Jeremy Alderman
  • Chief Technology Officer - Ryan Skadberg
  • Gregory Zimmer - Chief Executive Officer

    Gregory Zimmer, the Chief Executive Officer at Alliant, directs the overarching strategic vision and long-term growth trajectory of the firm. Overseeing the national brokerage operations, the Chief Executive Officer ensures that the organization maintains its competitive edge in property, casualty, and employee benefits markets. This leadership role involves fostering the unique employee-owned culture that defines the company's collaborative approach to complex risk management. By aligning the firm's deep brokerage expertise with creative problem-solving, Gregory Zimmer drives the expansion of service capabilities across diverse industries. The Chief Executive Officer maintains constant engagement with the Board to refine market positioning and ensure the delivery of tailored insurance solutions. Through rigorous oversight of national platforms, Zimmer secures the firm's status as a premier intermediary between policyholders and insurance carriers, ultimately strengthening the financial stability and market influence of the entire organization.
    Gregory Zimmer

    Pablo Smith - Chief Operating Officer - ACG

    Pablo Smith, the Chief Operating Officer - ACG at Alliant, manages the internal operational workflows and service delivery standards for the Alliant Construction Group. Overseeing the execution of specialized risk management programs, the Chief Operating Officer - ACG ensures that project-specific insurance solutions meet the rigorous demands of the construction industry. This leadership role involves streamlining administrative processes and coordinating with regional teams to maintain high levels of client satisfaction. By optimizing the delivery of surety and professional liability services, Pablo Smith directly supports the firm's ability to handle complex, large-scale risk classes. The Chief Operating Officer - ACG works closely with other executive leaders to refine operational protocols and ensure consistent service quality across all national platforms. Through the implementation of efficient management practices, Smith drives the operational excellence necessary to sustain the firm's reputation for providing tailored, high-impact insurance solutions to diverse construction clients.
    Pablo Smith

    Robert Aratingi - Vice- President

    Robert Aratingi, the Vice- President at Alliant, directs specific business development initiatives and client relationship management strategies within the firm's broad portfolio. Overseeing the expansion of service offerings, the Vice- President ensures that clients receive comprehensive program design and strategic counsel tailored to unique risk profiles. This leadership role involves identifying emerging market opportunities and fostering long-term partnerships that align with the company's commitment to creative problem-solving. By coordinating with specialized brokerage teams, Robert Aratingi facilitates the delivery of complex insurance solutions, including reinsurance and employee benefits, across various geographic regions. The Vice- President maintains a focus on enhancing the firm's market presence through personalized service and deep industry expertise. Through the active management of key client accounts and the pursuit of strategic growth, Aratingi contributes to the overall success and stability of the organization, ensuring that the firm remains a leader in the insurance brokerage sector.

    Jeremy Alderman - President, Office (Boston)

    Jeremy Alderman, the President, Office (Boston) at Alliant, leads the regional operations and business development efforts within the New England market. Overseeing the local brokerage team, the President, Office (Boston) ensures that clients in the region benefit from the firm's national resources and specialized risk management expertise. This leadership role involves cultivating strong relationships with local policyholders and insurance carriers to deliver customized coverage and claims advocacy services. By driving regional growth and maintaining high service standards, Jeremy Alderman directly impacts the firm's ability to provide comprehensive insurance solutions to diverse industries. The President, Office (Boston) collaborates with national leadership to align local initiatives with the broader corporate strategy of delivering innovative, client-focused insurance products. Through the effective management of regional operations, Alderman secures the firm's competitive position in the local market, ensuring that clients receive the strategic counsel and personalized attention that define the company's reputation.

    Ryan Skadberg - Chief Technology Officer

    Ryan Skadberg, the Chief Technology Officer at Alliant, architects the digital infrastructure and data analytics capabilities that support the firm's complex risk management services. Overseeing the integration of advanced technological tools, the Chief Technology Officer ensures that brokers possess the necessary resources to deliver precise risk analysis and customized coverage designs. This leadership role involves modernizing internal systems to enhance operational efficiency across the national network of offices. By implementing scalable software solutions, Ryan Skadberg directly impacts the ability of the firm to process intricate insurance data and provide real-time consulting services to clients. The Chief Technology Officer collaborates with executive leadership to align digital transformation initiatives with the broader corporate mission of providing innovative, client-centric insurance solutions. Through the deployment of secure, high-performance platforms, Skadberg maintains the technological foundation required for sustained growth and superior service delivery in the competitive insurance brokerage landscape.

    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 Pablo Smith (Chief Operating Officer - ACG) and Robert Aratingi (Vice- President).
    Who is part of Alliant’s executive team?
    The executive team of Alliant includes leaders such as Gregory Zimmer (Chief Executive Officer), Pablo Smith (Chief Operating Officer - ACG), Robert Aratingi (Vice- President) and other senior executives.
    How many executives does Alliant have?
    Alliant has 5 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 Operating Officer - ACG, Vice- President, President, Office (Boston), Chief Technology Officer.