IEM Executive and Leadership Team

September, 2026

Leadership Overview

IEM has 8 executives leading key functions including strategy, financial oversight, technology development, health operations, and organizational leadership.

Committed to disaster resilience and public safety, IEM delivers advanced emergency management solutions. This organization drives innovation across homeland security and defense support to protect communities nationwide.

Leadership Roles at IEM

  • Chief Executive Officer - Bryan Koon
  • Group Chief Executive Officer - Dilip Vaishnav
  • Founder & Chief Executive Officer & Chief Fun Officer - Sally Chasm
  • Chief Financial Officer - John Schlegel
  • President - Marty Hooper
  • President - Tibor Nagy
  • Chief Technology Officer - Ted Lemcke
  • Health Chief of Staff - Jeffrey Parks
  • Bryan Koon - Chief Executive Officer

    Bryan Koon, the Chief Executive Officer at IEM, directs the overarching strategic vision for disaster management and homeland security initiatives. Overseeing national operations, the Chief Executive Officer ensures that emergency response protocols align with federal and state requirements. This leadership role involves managing complex program integration across eleven regional offices to bolster public safety infrastructure. By optimizing resource allocation, Bryan Koon strengthens the capacity of government agencies to mitigate large-scale crises. The Chief Executive Officer maintains constant communication with the Board to refine long-term growth objectives. Through rigorous oversight of defense support services, Koon enhances the operational readiness of the entire firm. This executive focus on efficiency and rapid deployment remains central to the mission of protecting vulnerable populations during catastrophic events. Ultimately, Koon secures the stability of the organization while expanding the reach of critical emergency management services across the United States.

    Dilip Vaishnav - Group Chief Executive Officer

    Dilip Vaishnav, the Group Chief Executive Officer at IEM, manages the diverse portfolio of business units focused on information technology and program integration. Coordinating cross-functional teams, the Group Chief Executive Officer drives the development of scalable software solutions for emergency management. This leadership role involves synchronizing the efforts of various departments to ensure seamless service delivery for defense and homeland security clients. By leveraging advanced data analytics, Dilip Vaishnav improves the precision of disaster modeling and response planning. The Group Chief Executive Officer collaborates with other C-suite leaders to integrate technological advancements into existing consulting frameworks. This strategic alignment supports the expansion of market presence across North American regions. Through the implementation of robust project management methodologies, Vaishnav optimizes internal workflows and enhances client outcomes. Ultimately, Vaishnav fosters a culture of technical excellence that defines the competitive advantage of the firm in the disaster management sector.

    Sally Chasm - Founder & Chief Executive Officer & Chief Fun Officer

    Sally Chasm, the Founder & Chief Executive Officer & Chief Fun Officer at IEM, architects the foundational culture and long-term mission of the organization. Championing internal engagement, the Founder & Chief Executive Officer & Chief Fun Officer drives initiatives that maintain high morale during intense disaster response cycles. This leadership role involves balancing the rigorous demands of emergency management consulting with a focus on employee well-being and creative problem-solving. By fostering a collaborative environment, Sally Chasm ensures that the workforce remains agile and responsive to evolving public safety challenges. The Founder & Chief Executive Officer & Chief Fun Officer works closely with the executive team to align corporate values with client-facing service delivery. Through the promotion of a positive workplace, Chasm enhances retention and attracts top-tier talent to the firm. Ultimately, Chasm sustains the unique identity of the company while guiding the strategic direction of all emergency management and defense support operations.
    Sally Chasm

    John Schlegel - Chief Financial Officer

    John Schlegel, the Chief Financial Officer at IEM, manages the fiscal health and capital allocation strategies for the entire organization. Overseeing financial planning and analysis, the Chief Financial Officer ensures that resources support the expansion of homeland security and defense support projects. This leadership role involves monitoring revenue streams across all eleven offices to maintain long-term profitability. By implementing rigorous budgetary controls, John Schlegel provides the necessary stability for the firm to invest in cutting-edge information technology. The Chief Financial Officer collaborates with the Board to assess financial risks associated with large-scale government contracts. Through the optimization of financial reporting, Schlegel enhances transparency and accountability across all business units. This executive focus on fiscal discipline supports the overall growth trajectory of the company. Ultimately, Schlegel secures the financial foundation required to sustain the mission of providing critical disaster management services to clients throughout the United States.
    John Schlegel

    Marty Hooper - President

    Marty Hooper, the President at IEM, manages the day-to-day operational execution of disaster management and program integration services. Overseeing the implementation of strategic initiatives, the President ensures that all projects meet the high standards required for homeland security and defense support. This leadership role involves supervising the performance of regional offices to maintain consistent service quality across the United States. By streamlining operational processes, Marty Hooper improves the efficiency of project delivery for government and private sector clients. The President works with the executive team to translate high-level strategy into actionable tasks for the workforce. Through the management of complex client relationships, Hooper secures the reputation of the firm as a reliable partner in emergency management. This executive focus on operational excellence supports the overall growth and stability of the company. Ultimately, Hooper drives the successful completion of critical missions that protect communities and enhance national resilience.

    Tibor Nagy - President

    Tibor Nagy, the President at IEM, directs the expansion of business development and market penetration strategies within the defense support and homeland security sectors. Overseeing the pursuit of new government contracts, the President identifies opportunities to apply the firm's expertise in disaster management to emerging challenges. This leadership role involves cultivating relationships with key stakeholders to ensure the long-term viability of the organization. By analyzing market trends, Tibor Nagy guides the firm toward high-impact projects that align with the core mission of public safety. The President collaborates with the executive team to refine the value proposition for clients across various geographic regions. Through the oversight of business development teams, Nagy ensures that the company maintains a competitive edge in the consulting industry. This executive focus on growth and strategic positioning supports the overall success of the firm. Ultimately, Nagy secures the future of the organization by driving sustainable revenue and expanding the reach of critical services.

    Ted Lemcke - Chief Technology Officer

    Ted Lemcke, the Chief Technology Officer at IEM, directs the development and implementation of advanced technological infrastructure for disaster management. Overseeing the engineering and software teams, the Chief Technology Officer architects scalable solutions that enhance emergency response capabilities. This leadership role involves integrating data-driven tools into homeland security and defense support programs to improve situational awareness. By spearheading innovation in information technology, Ted Lemcke ensures that the firm remains at the forefront of the industry. The Chief Technology Officer works with other executives to align technical roadmaps with the broader strategic goals of the organization. Through the deployment of secure and reliable systems, Lemcke supports the operational needs of clients across diverse geographic regions. This executive focus on technical excellence drives the efficiency of disaster mitigation efforts. Ultimately, Lemcke advances the digital transformation of the company to better serve communities facing complex emergency scenarios.
    Ted Lemcke

    Jeffrey Parks - Health Chief of Staff

    Jeffrey Parks, the Health Chief of Staff at IEM, coordinates the specialized health-related emergency management initiatives and public health response strategies. Overseeing the integration of medical logistics into broader disaster management frameworks, the Health Chief of Staff ensures that public health protocols meet national standards. This leadership role involves managing partnerships with health agencies to bolster community resilience against biological and environmental threats. By aligning health-focused programs with the core mission of the firm, Jeffrey Parks enhances the capacity of the organization to address complex public health crises. The Health Chief of Staff collaborates with the executive team to refine service delivery models for defense and homeland security clients. Through the application of rigorous health policy analysis, Parks improves the effectiveness of emergency response operations. Ultimately, Parks drives the strategic expansion of health-related services to ensure the firm remains a leader in comprehensive disaster management and public safety.

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    Frequently Asked Questions Regarding IEM Top Executives and Leadership Team

    Who leads IEM?
    IEM is led by Bryan Koon (Chief Executive Officer), along with executives such as Dilip Vaishnav (Group Chief Executive Officer) and Sally Chasm (Founder & Chief Executive Officer & Chief Fun Officer).
    Who is part of IEM’s executive team?
    The executive team of IEM includes leaders such as Bryan Koon (Chief Executive Officer), Dilip Vaishnav (Group Chief Executive Officer), Sally Chasm (Founder & Chief Executive Officer & Chief Fun Officer) and other senior executives.
    How many executives does IEM have?
    IEM has 8 executives leading key business areas.
    What roles are included in IEM’s leadership team?
    The leadership team of IEM includes roles such as Chief Executive Officer, Group Chief Executive Officer, Founder & Chief Executive Officer & Chief Fun Officer, Chief Financial Officer, President.