IEM Executive and Leadership Team

August, 2026

Leadership Overview

IEM has 9 executives leading key functions including disaster management strategy, financial oversight, technology innovation, and health program integration.

Committed to building resilient communities, IEM delivers advanced emergency management solutions and defense support to mitigate complex global risks through data-driven research and strategic program integration.

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 - Alain Taris
  • President - Tibor Nagy
  • President - Marty Hooper
  • Chief Technology Officer - Theodore 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 the national operational footprint, the Chief Executive Officer ensures that all emergency management services align with the evolving needs of government and private sector clients. This leadership role involves coordinating with the Board to drive long-term growth and operational excellence across the eleven United States offices. By prioritizing innovation in disaster response, Bryan Koon strengthens the company's market position as a leader in resilience planning. The Chief Executive Officer maintains rigorous standards for program integration, ensuring that complex defense support projects meet critical safety benchmarks. Through consistent engagement with regional stakeholders, Koon fosters a culture of preparedness and rapid response, ultimately securing the company's reputation for reliability in high-stakes environments while expanding the reach of essential emergency services.

    Dilip Vaishnav - Group Chief Executive Officer

    Dilip Vaishnav, the Group Chief Executive Officer at IEM, manages the complex organizational structure and cross-functional synergy required for large-scale disaster management projects. Focusing on the integration of diverse business units, the Group Chief Executive Officer optimizes internal processes to enhance service delivery across homeland security and defense support sectors. This leadership role requires constant collaboration with executive peers to align operational output with the company's mission of building resilient communities. Dilip Vaishnav drives efficiency by streamlining resource allocation across the national office network, ensuring that every project receives the necessary technical and administrative support. By overseeing the execution of multi-faceted programs, the Group Chief Executive Officer guarantees that the company maintains its competitive edge in the consulting industry. Vaishnav consistently monitors performance metrics to ensure that all organizational goals support the broader objective of providing superior emergency management solutions to clients nationwide.

    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 strategic direction of the organization. Balancing the demands of executive leadership with the cultivation of a positive workplace environment, the Founder & Chief Executive Officer & Chief Fun Officer ensures that the company remains agile and innovative in the face of disaster management challenges. This unique leadership role involves championing internal initiatives that boost employee engagement while simultaneously driving the company's high-level business objectives. Sally Chasm oversees the alignment of corporate values with the delivery of homeland security and information technology services. By fostering a culture of creativity and resilience, the Founder & Chief Executive Officer & Chief Fun Officer empowers teams to solve complex problems for clients across the United States. Chasm maintains a focus on long-term sustainability, ensuring that the company continues to lead the industry through visionary leadership and a commitment to excellence.
    Sally Chasm

    John Schlegel - Chief Financial Officer

    John Schlegel, the Chief Financial Officer at IEM, manages the fiscal health and economic strategy of the organization. Overseeing all financial planning, budgeting, and reporting, the Chief Financial Officer ensures that the company maintains the capital necessary to support large-scale disaster management and defense support operations. This leadership role involves working closely with the executive team to evaluate the financial viability of new market opportunities and program expansions. John Schlegel directs the allocation of resources across the eleven regional offices, ensuring that financial controls remain robust while supporting operational growth. By analyzing market trends and fiscal risks, the Chief Financial Officer provides the insights required to sustain the company's long-term stability. Schlegel maintains strict compliance with industry regulations, ensuring that all financial activities support the company's mission of providing reliable, high-quality emergency management services to clients throughout the United States and beyond.
    John Schlegel

    Alain Taris - President

    Alain Taris, the President at IEM, directs the operational execution of homeland security and defense support services. Focusing on the delivery of high-impact solutions, the President oversees the day-to-day management of key programs that support government and private sector clients. This leadership role involves ensuring that all projects are completed on time and within budget, while maintaining the high quality of service expected from the company. Alain Taris collaborates with the executive team to refine operational strategies and expand the company's reach across the United States. By optimizing project workflows and resource management, the President drives efficiency and supports the company's growth objectives. Taris maintains a focus on client satisfaction, ensuring that every engagement provides tangible value and enhances community resilience. Through consistent leadership and operational oversight, the President ensures that the company remains a trusted partner in the complex field of disaster management.

    Tibor Nagy - President

    Tibor Nagy, the President at IEM, manages the strategic expansion and business development efforts for the company's information technology and program integration divisions. Focusing on the growth of the company's service portfolio, the President identifies new market opportunities and cultivates relationships with key stakeholders to drive revenue. This leadership role involves overseeing the implementation of complex programs that require deep technical expertise and strategic coordination. Tibor Nagy directs the efforts of specialized teams to ensure that all deliverables align with the company's mission of building resilient communities. By fostering innovation in service delivery, the President enhances the company's competitive position in the consulting industry. Nagy works closely with other executives to ensure that business development activities support the company's long-term financial and operational goals. Through proactive leadership, the President secures the company's role as a leader in providing advanced solutions for emergency management and defense support.

    Marty Hooper - President

    Marty Hooper, the President at IEM, oversees the strategic implementation of disaster management initiatives and regional operations. Focusing on the effectiveness of the company's eleven offices, the President ensures that local teams have the resources and guidance necessary to execute complex projects successfully. This leadership role involves coordinating with regional directors to maintain consistent service quality across the United States. Marty Hooper directs the development of operational policies that enhance the company's ability to respond to emergencies and support client needs. By monitoring regional performance and identifying areas for improvement, the President drives operational excellence and supports the company's overall mission. Hooper collaborates with the executive team to align regional activities with the company's broader strategic goals. Through dedicated leadership, the President ensures that the company remains responsive and effective in its mission to provide critical support to communities facing disaster and security challenges.

    Theodore Lemcke - Chief Technology Officer

    Theodore Lemcke, the Chief Technology Officer at IEM, directs the development and implementation of advanced information technology solutions that underpin the company's disaster management capabilities. Overseeing the digital infrastructure, the Chief Technology Officer ensures that all systems support the complex data requirements of homeland security and defense support projects. This leadership role involves architecting scalable technology platforms that enable rapid response and effective program integration for clients across the United States. Theodore Lemcke collaborates with other C-suite leaders to integrate cutting-edge tools into the company's service offerings, driving innovation in how the organization processes and utilizes critical data. By maintaining a focus on cybersecurity and system reliability, the Chief Technology Officer protects the integrity of the company's operations. Lemcke ensures that the technology stack remains at the forefront of the industry, directly supporting the company's mission to provide data-driven resilience solutions.
    Theodore Lemcke

    Jeffrey Parks - Health Chief of Staff

    Jeffrey Parks, the Health Chief of Staff at IEM, coordinates the strategic execution of health-related emergency management programs. Overseeing the integration of public health initiatives into the company's broader disaster management framework, the Health Chief of Staff ensures that all health-focused projects meet the highest standards of efficacy and safety. This leadership role involves managing cross-functional teams to deliver specialized support for health crises and community resilience efforts. Jeffrey Parks drives the development of protocols that allow the company to respond effectively to large-scale health emergencies across the United States. By aligning health program objectives with the company's overall mission, the Health Chief of Staff ensures that clients receive comprehensive support during critical events. Parks maintains strong relationships with external partners and stakeholders, facilitating the seamless delivery of health services that protect communities and enhance the company's reputation for excellence in emergency management.

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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 9 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.