GLG Executive and Leadership Team

August, 2026

Leadership Overview

GLG has 7 executives leading key functions including technology, operations, information systems, finance, marketing, human resources, and regional management.

Focused on connecting professionals with industry expertise, GLG delivers high-impact consultation services that empower global financial firms and corporations to make informed decisions through a vast, curated network of subject matter experts.

Leadership Roles at GLG

  • Chief Financial Officer - Vanna Krantz
  • Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer - Katherine Kobussen
  • President & Head of Japan - Eugene Hashimoto
  • Chief Technology Officer - Nathan Andrews
  • Chief of Staff - Siobhan Hogan
  • Chief Information Officer - Shahriar Rafimayeri
  • Chief Marketing Officer - Fell Gray
  • Vanna Krantz - Chief Financial Officer

    Vanna Krantz, the Chief Financial Officer at GLG, directs the financial strategy, capital allocation, and fiscal planning for the organization. By overseeing global accounting, financial reporting, and treasury functions, the Chief Financial Officer ensures the long-term economic stability of the firm. Vanna Krantz manages the budgeting process to support strategic investments in the expert network and platform development. This role involves providing critical financial insights to the Board and executive leadership to guide market expansion and service growth. By optimizing revenue streams and managing operational costs, the Chief Financial Officer maintains the financial health required to serve leading financial services firms and consultancies. This leadership position requires rigorous analysis of market trends and internal performance metrics. Through disciplined financial management, the Chief Financial Officer supports the company's mission to provide unparalleled access to industry expertise, ensuring that the firm remains a profitable and sustainable leader in the professional services sector.

    Katherine Kobussen - Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer

    Katherine Kobussen, the Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer at GLG, designs the global compensation structures that attract and retain top-tier talent. By overseeing performance management and incentive programs, the Vice President ensures that the workforce remains aligned with the company's strategic goals. Katherine Kobussen serves as a key HR partner to the Chief Financial Officer, integrating human capital planning with financial objectives to optimize organizational performance. This role involves analyzing compensation benchmarks to maintain competitiveness in the professional services market. By fostering a culture of excellence, the Vice President supports the firm's mission to provide high-quality expert services. This leadership function requires balancing employee needs with the fiscal realities of the business. Through strategic HR initiatives, the Vice President ensures that the organization possesses the human capital necessary to deliver exceptional value to clients across all global operations.

    Eugene Hashimoto - President & Head of Japan

    Eugene Hashimoto, the President & Head of Japan at GLG, directs all business operations and market expansion efforts within the Japanese region. By overseeing local client relationships and managing the expert network within the territory, the President & Head of Japan ensures that the firm meets the specific needs of local financial services firms and corporations. Eugene Hashimoto drives regional growth strategies, adapting the company's global service model to the nuances of the local market. This role involves building partnerships with industry leaders and expanding the pool of available experts to provide high-quality insights. Collaborating with the global leadership team, the President & Head of Japan aligns regional activities with the overall corporate mission. Through effective management of local teams and resources, the President & Head of Japan secures the firm's position as a trusted advisor in the region, facilitating critical knowledge exchange for clients navigating complex business environments.

    Nathan Andrews - Chief Technology Officer

    Nathan Andrews, the Chief Technology Officer at GLG, architects the scalable digital infrastructure supporting the firm's expert network platform. By overseeing software engineering and product development, the Chief Technology Officer ensures seamless connectivity between global clients and industry specialists. This role involves integrating advanced data analytics to optimize search functionality within the expert database. Nathan Andrews drives the technical roadmap, prioritizing security and performance to maintain the integrity of professional consultations. Collaborating with the Chief Information Officer, the Chief Technology Officer aligns technical capabilities with the evolving needs of financial services firms and consultancies. Through continuous innovation in platform architecture, the Chief Technology Officer enhances the user experience for both experts and clients. This leadership focus supports the company's mission to provide rapid, reliable access to specialized knowledge across diverse international markets, ensuring the platform remains the industry standard for professional collaboration.

    Siobhan Hogan - Chief of Staff

    Siobhan Hogan, the Chief of Staff at GLG, coordinates cross-functional initiatives to streamline operational efficiency across the organization. By managing executive communications and internal project workflows, the Chief of Staff ensures alignment between the leadership team and the broader corporate strategy. Siobhan Hogan facilitates high-level decision-making processes, providing the necessary administrative and strategic support to drive organizational growth. This role involves monitoring key performance indicators to track the success of global service delivery. Working closely with the C-suite, the Chief of Staff optimizes resource allocation to support the firm's mission of connecting clients with expert insights. By fostering collaboration across departments, the Chief of Staff maintains organizational focus on delivering high-quality professional services. This leadership position requires constant attention to detail and a deep understanding of the company's operational nuances, ensuring that all strategic objectives receive the necessary support to achieve long-term market impact.

    Shahriar Rafimayeri - Chief Information Officer

    Shahriar Rafimayeri, the Chief Information Officer at GLG, manages the enterprise-wide information systems and data governance frameworks essential for expert network operations. By overseeing cybersecurity protocols and IT infrastructure, the Chief Information Officer protects the sensitive data exchanged between clients and industry experts. Shahriar Rafimayeri directs the implementation of robust digital tools that facilitate secure communication and knowledge sharing. This role involves collaborating with the Chief Technology Officer to ensure system reliability and scalability across global operations. By optimizing information flow, the Chief Information Officer supports the firm's ability to provide rapid, accurate insights to financial services firms and corporations. This leadership function focuses on maintaining a secure, efficient environment that enables seamless collaboration. Through strategic oversight of information technology, the Chief Information Officer ensures that the company remains at the forefront of the professional services industry, providing a secure foundation for all expert-led engagements.
    Shahriar Rafimayeri

    Fell Gray - Chief Marketing Officer

    Fell Gray, the Chief Marketing Officer at GLG, architects the global brand strategy and market positioning for the expert network services. By overseeing demand generation, corporate communications, and client acquisition programs, the Chief Marketing Officer drives awareness among financial services firms and corporations. Fell Gray directs the development of marketing campaigns that highlight the value of expert consultations in complex decision-making processes. This role involves analyzing market data to identify growth opportunities and tailoring messaging to specific industry segments. Collaborating with the sales and product teams, the Chief Marketing Officer ensures that the brand promise aligns with the actual service delivery. Through strategic content marketing and digital outreach, the Chief Marketing Officer expands the firm's reach across international markets. This leadership function focuses on building a strong, recognizable brand that reinforces the company's reputation as the premier partner for accessing specialized knowledge and industry insights.
    Fell Gray

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    Frequently Asked Questions Regarding GLG Top Executives and Leadership Team

    Who leads GLG?
    GLG is led by Vanna Krantz (Chief Financial Officer), along with executives such as Katherine Kobussen (Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer) and Eugene Hashimoto (President & Head of Japan).
    Who is part of GLG’s executive team?
    The executive team of GLG includes leaders such as Vanna Krantz (Chief Financial Officer), Katherine Kobussen (Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer), Eugene Hashimoto (President & Head of Japan) and other senior executives.
    How many executives does GLG have?
    GLG has 7 executives leading key business areas.
    What roles are included in GLG’s leadership team?
    The leadership team of GLG includes roles such as Chief Financial Officer, Vice President, Head of Global Compensation and Human Resources Business Partner To the Chief Financial Officer, President & Head of Japan, Chief Technology Officer, Chief of Staff.