Center for Internet Security Executive and Leadership Team

June, 2026

Leadership Overview

Center for Internet Security has 9 executives leading key functions including strategy, technology, finance, human resources, and operations.

Dedicated to building a secure digital future, Center for Internet Security fosters global collaboration to defend organizations against evolving cyber threats, driving impactful solutions for public and private sectors.

Leadership Roles at Center for Internet Security

  • Founder & President & Chief Executive Officer & Board Member - Clinton Kreitner
  • President & Chief Executive Officer - John Gilligan
  • Chief Financial Officer - Albert Szesnat
  • President - Marcia Glasser
  • Chief Information Officer - Angelo Marcotullio
  • Chief Technology Officer - Carl Banzhof
  • Chief of Staff - Emily Early
  • Chief Technology Officer, Research & Innovation Lead, Office of - Kaitlin Drape
  • Chief Human Resources Officer - Carolyn Comer
  • Clinton Kreitner - Founder & President & Chief Executive Officer & Board Member

    Clinton Kreitner, the Founder & President & Chief Executive Officer & Board Member at Center for Internet Security, architects the overarching strategic direction and operational framework. This leadership position involves guiding the organization's mission to develop global IT community safeguards against cyber threats. Kreitner's oversight extends to fostering critical partnerships and ensuring the long-term sustainability of the organization's initiatives. The role demands a comprehensive understanding of the cybersecurity landscape and the ability to translate complex challenges into actionable strategies. By championing innovation and collaboration, Clinton Kreitner drives the Center for Internet Security's impact in protecting both public and private sector entities from digital risks. This executive function is central to maintaining the organization's position as a leader in cybersecurity defense.

    John Gilligan - President & Chief Executive Officer

    John Gilligan, the President & Chief Executive Officer at Center for Internet Security, directs the organization's strategic vision and operational execution. This executive function involves leading the development and implementation of programs designed to safeguard public and private organizations from cyber threats. Gilligan's responsibilities encompass fostering a culture of innovation and collaboration within the global IT community. The role requires a deep understanding of cybersecurity challenges and the ability to articulate clear, effective solutions. By driving strategic initiatives, John Gilligan ensures the Center for Internet Security remains at the forefront of cybersecurity defense, enhancing the resilience of critical infrastructure and digital assets. This leadership ensures the organization effectively meets its mission.

    Albert Szesnat - Chief Financial Officer

    Albert Szesnat, the Chief Financial Officer at Center for Internet Security, directs the organization's financial strategy and fiscal management. This executive function is essential for ensuring the sustainability and operational effectiveness of the nonprofit. Szesnat oversees budgeting, financial planning, and resource allocation, ensuring compliance with all regulatory requirements. The role involves managing financial risks and optimizing financial performance to support the Center for Internet Security's mission. By maintaining strong financial health, Albert Szesnat enables the organization to invest in critical cybersecurity initiatives and expand its reach. This leadership ensures the organization operates efficiently and effectively.
    Albert Szesnat

    Marcia Glasser - President

    Marcia Glasser, the President at Center for Internet Security, oversees key operational aspects and strategic initiatives within the organization. This executive function involves driving the implementation of programs designed to enhance cybersecurity for public and private entities. Glasser focuses on fostering collaboration and ensuring the effective execution of the Center for Internet Security's mission. The role requires a comprehensive understanding of the cybersecurity landscape and the ability to translate strategic goals into tangible outcomes. By leading critical operational efforts, Marcia Glasser contributes significantly to the organization's impact in safeguarding against cyber threats. This leadership ensures the organization's objectives are met efficiently.

    Angelo Marcotullio - Chief Information Officer

    Angelo Marcotullio, the Chief Information Officer at Center for Internet Security, manages the organization's internal technology infrastructure and information systems. This executive function is critical for supporting the operational needs of a nonprofit focused on cybersecurity. Marcotullio oversees the implementation of robust IT security measures, ensuring the protection of sensitive data and the seamless operation of digital tools. The role involves strategic planning for technology adoption, system upgrades, and disaster recovery protocols. By optimizing information flow and ensuring system reliability, Angelo Marcotullio directly supports the Center for Internet Security's mission to safeguard organizations against cyber threats. This leadership ensures the technological backbone of the organization is secure and efficient.

    Carl Banzhof - Chief Technology Officer

    Carl Banzhof, the Chief Technology Officer at Center for Internet Security, spearheads the development and deployment of cutting-edge technological solutions. This executive function is vital for advancing the organization's capabilities in combating evolving cyber threats. Banzhof directs research and development efforts, focusing on innovative approaches to cybersecurity defense. The role involves evaluating emerging technologies and integrating them into the Center for Internet Security's offerings. By driving technological advancement, Carl Banzhof ensures the organization provides state-of-the-art tools and strategies to protect public and private sector entities. This leadership position is key to maintaining a competitive edge in the cybersecurity landscape.

    Emily Early - Chief of Staff

    Emily Early, the Chief of Staff at Center for Internet Security, provides strategic support and operational coordination across key departments. This executive function involves facilitating communication and ensuring alignment between leadership and various teams. Early manages special projects, drives process improvements, and supports the execution of organizational objectives. The role requires a broad understanding of the Center for Internet Security's mission and operational landscape. By streamlining operations and enhancing organizational efficiency, Emily Early contributes significantly to the effective delivery of cybersecurity solutions. This leadership role is pivotal in ensuring strategic initiatives are implemented smoothly and successfully.

    Kaitlin Drape - Chief Technology Officer, Research & Innovation Lead, Office of

    Kaitlin Drape, the Chief Technology Officer, Research & Innovation Lead, Office of at Center for Internet Security, drives the advancement of cybersecurity research and technological innovation. This executive function focuses on exploring and developing novel solutions to address emerging cyber threats. Drape leads initiatives aimed at enhancing the organization's research capabilities and fostering a culture of continuous improvement. The role involves identifying future technological trends and translating them into practical applications for cybersecurity defense. By championing research and innovation, Kaitlin Drape ensures the Center for Internet Security remains at the cutting edge of the field, providing robust protection for public and private organizations. This leadership is crucial for future-proofing the organization's offerings.

    Carolyn Comer - Chief Human Resources Officer

    Carolyn Comer, the Chief Human Resources Officer at Center for Internet Security, leads the strategic management of the organization's workforce. This executive function is vital for attracting, developing, and retaining top talent essential for cybersecurity expertise. Comer oversees all aspects of human resources, including talent acquisition, employee relations, compensation, and benefits. The role involves fostering a positive and productive work environment that supports the Center for Internet Security's mission. By ensuring a skilled and engaged workforce, Carolyn Comer directly contributes to the organization's ability to effectively combat cyber threats. This leadership ensures the human capital is aligned with strategic goals.
    Carolyn Comer

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    Frequently Asked Questions Regarding Center for Internet Security Top Executives and Leadership Team

    Who leads Center for Internet Security?
    Center for Internet Security is led by Clinton Kreitner (Founder & President & Chief Executive Officer & Board Member), along with executives such as John Gilligan (President & Chief Executive Officer) and Albert Szesnat (Chief Financial Officer).
    Who is part of Center for Internet Security’s executive team?
    The executive team of Center for Internet Security includes leaders such as Clinton Kreitner (Founder & President & Chief Executive Officer & Board Member), John Gilligan (President & Chief Executive Officer), Albert Szesnat (Chief Financial Officer) and other senior executives.
    How many executives does Center for Internet Security have?
    Center for Internet Security has 9 executives leading key business areas.
    What roles are included in Center for Internet Security’s leadership team?
    The leadership team of Center for Internet Security includes roles such as Founder & President & Chief Executive Officer & Board Member, President & Chief Executive Officer, Chief Financial Officer, President, Chief Information Officer.