Open Society Foundations Executive and Leadership Team

September, 2026

Leadership Overview

Open Society Institute has 10 executives leading key functions including information technology, operational management, and executive strategy.

Committed to fostering global investment transparency, [[Open Society Institute]] drives impactful advisory services through rigorous financial analysis and strategic oversight of international fund portfolios.

Leadership Roles at Open Society Foundations

  • Chief Operating Officer - Leela Ramdhani
  • Operations Officer & Chief Operating Officer, Office of - Fatima Munoz
  • Interim Chief Operating Officer - Maija Arbolino
  • President - Binaifer Nowrojee
  • President, FNJ - Henry Lesquen
  • Founder & President - Dmitry Kabak
  • Chief Information Officer - Yalan Teng
  • Deputy Chief Information Officer - Sofie Gekhel
  • Global Chief Information Officer - Marilyn Law
  • Chief Operations Officer - Caroline Anstey
  • Leela Ramdhani - Chief Operating Officer

    Leela Ramdhani, the Chief Operating Officer at Open Society Institute, manages the daily administrative functions and internal processes that sustain the firm's advisory operations. Ramdhani oversees the execution of strategic initiatives across North American and international markets to ensure operational efficiency. By streamlining workflows, the Chief Operating Officer enables the investment teams to focus on high-value advisory tasks for the Quantum Group of Funds. This leadership role requires constant coordination with department heads to align resource allocation with long-term financial goals. Leela Ramdhani monitors performance metrics to identify areas for process improvement and cost reduction. Through rigorous oversight of internal policies, the Chief Operating Officer maintains organizational stability during periods of market volatility. Ultimately, Ramdhani drives the operational excellence required to support the firm's complex investment advisory model.
    Leela Ramdhani

    Fatima Munoz - Operations Officer & Chief Operating Officer, Office of

    Fatima Munoz, the Operations Officer & Chief Operating Officer, Office of at Open Society Institute, manages the specialized administrative functions within the executive office to ensure seamless communication across the firm. Munoz coordinates high-level projects that support the advisory services provided to the Quantum Group of Funds. By overseeing the internal operations of the executive suite, the Operations Officer & Chief Operating Officer, Office of ensures that strategic directives are executed with precision. This leadership role involves managing complex scheduling and resource allocation for senior leadership. Fatima Munoz facilitates cross-departmental collaboration to maintain alignment with the firm's mission. Through the implementation of standardized reporting procedures, the Operations Officer & Chief Operating Officer, Office of improves the transparency of executive decision-making. Ultimately, Munoz supports the firm's operational stability by maintaining rigorous standards within the executive office.
    Fatima Munoz

    Maija Arbolino - Interim Chief Operating Officer

    Maija Arbolino, the Interim Chief Operating Officer at Open Society Institute, provides temporary leadership over the firm's operational functions to ensure continuity during organizational transitions. Arbolino manages the day-to-day business activities that support the advisory services for the Quantum Group of Funds. By maintaining focus on core operational metrics, the Interim Chief Operating Officer ensures that service delivery remains uninterrupted. This leadership role involves stabilizing internal processes and addressing immediate operational challenges. Maija Arbolino works closely with the executive team to maintain momentum on key strategic initiatives. Through the oversight of administrative workflows, the Interim Chief Operating Officer preserves the firm's commitment to high-quality financial advisory. Ultimately, Arbolino ensures that the firm's operational standards remain consistent while the organization navigates its current transition period.

    Binaifer Nowrojee - President

    Binaifer Nowrojee, the President at Open Society Institute, leads the firm's overall strategic direction and mission to provide expert advisory services for international investments. Nowrojee oversees the firm's engagement with the Quantum Group of Funds to ensure that all advisory activities reflect the organization's core values. By setting the corporate agenda, the President drives the firm's growth and market impact. This leadership role involves representing the firm to key stakeholders and maintaining high-level relationships within the global finance community. Binaifer Nowrojee ensures that all departments remain aligned with the firm's commitment to transparency and excellence. Through the development of long-term strategies, the President guides the firm through complex market environments. Ultimately, Nowrojee secures the firm's reputation as a trusted advisor in the international investment landscape.
    Binaifer Nowrojee

    Henry Lesquen - President, FNJ

    Henry Lesquen, the President, FNJ at Open Society Institute, manages the specific strategic initiatives associated with the FNJ division to support the firm's broader investment advisory goals. Lesquen oversees the development of specialized financial products that cater to the needs of the Quantum Group of Funds. By directing the FNJ team, the President, FNJ ensures that all activities contribute to the firm's overall financial performance. This leadership role involves identifying new market opportunities and expanding the firm's reach in international investment sectors. Henry Lesquen coordinates with other executive leaders to ensure that FNJ operations remain integrated with the firm's core advisory services. Through the implementation of targeted growth strategies, the President, FNJ improves the firm's competitive standing. Ultimately, Lesquen drives the success of the FNJ division by maintaining a focus on high-impact financial advisory.

    Dmitry Kabak - Founder & President

    Dmitry Kabak, the Founder & President at Open Society Institute, establishes the foundational vision and strategic framework for the firm's international investment advisory services. Kabak oversees the long-term development of the Quantum Group of Funds to ensure alignment with the firm's original mission. By providing executive guidance, the Founder & President shapes the firm's approach to complex financial challenges. This leadership role involves mentoring senior staff and fostering a culture of innovation within the organization. Dmitry Kabak monitors global market trends to identify strategic shifts that require firm-wide adjustments. Through the maintenance of high standards, the Founder & President ensures that the firm continues to deliver exceptional value to its clients. Ultimately, Kabak secures the firm's legacy by driving consistent growth and maintaining a commitment to excellence in financial advisory.

    Yalan Teng - Chief Information Officer

    Yalan Teng, the Chief Information Officer at Open Society Institute, directs the technological infrastructure supporting complex international investment advisory services. Teng architects secure data frameworks that facilitate real-time analysis for the Quantum Group of Funds. By modernizing digital systems, the Chief Information Officer ensures that financial data remains accessible and protected against emerging cyber threats. This leadership role involves integrating advanced analytics into the core investment workflow to improve decision-making speed. Yalan Teng maintains alignment with global security standards while optimizing internal network performance. Through the implementation of scalable cloud solutions, the Chief Information Officer supports the firm's mission to provide high-level financial insights. Ultimately, Teng secures the technological foundation necessary for maintaining a competitive edge in the global finance sector.

    Sofie Gekhel - Deputy Chief Information Officer

    Sofie Gekhel, the Deputy Chief Information Officer at Open Society Institute, supports the development of robust data management systems tailored for international investment advisory. Gekhel focuses on the implementation of specialized software tools that enhance the analytical capabilities of the Quantum Group of Funds. By managing technical teams, the Deputy Chief Information Officer ensures that all digital platforms remain compliant with global financial regulations. This leadership role involves bridging the gap between complex data requirements and user-friendly interface design. Sofie Gekhel coordinates with the broader IT department to maintain system uptime and data integrity across all regional operations. Through the optimization of database architecture, the Deputy Chief Information Officer improves the speed of financial reporting. Ultimately, Gekhel strengthens the firm's digital infrastructure to support sophisticated investment strategies.

    Marilyn Law - Global Chief Information Officer

    Marilyn Law, the Global Chief Information Officer at Open Society Institute, defines the overarching technology strategy for the firm's worldwide investment advisory activities. Law oversees the deployment of enterprise-wide software solutions that connect regional offices to a unified financial data network. By driving digital transformation, the Global Chief Information Officer ensures that the firm remains at the forefront of financial technology innovation. This leadership role involves evaluating emerging tech trends to determine their potential impact on the Quantum Group of Funds. Marilyn Law collaborates with executive leadership to align technology investments with the firm's broader growth objectives. Through the management of global IT budgets, the Global Chief Information Officer optimizes spending while maintaining high performance. Ultimately, Law architects a resilient digital ecosystem that supports the firm's complex international investment operations.
    Marilyn Law

    Caroline Anstey - Chief Operations Officer

    Caroline Anstey, the Chief Operations Officer at Open Society Institute, directs the firm's operational strategy to enhance the delivery of advisory services for international investments. Anstey oversees the integration of new operational models that improve the efficiency of the Quantum Group of Funds. By managing large-scale projects, the Chief Operations Officer ensures that the firm's resources are utilized effectively across global markets. This leadership role involves analyzing operational risks and implementing mitigation strategies to protect the firm's interests. Caroline Anstey collaborates with the board to ensure that operational performance aligns with the firm's long-term vision. Through the optimization of internal governance, the Chief Operations Officer fosters a culture of accountability and excellence. Ultimately, Anstey drives the operational improvements necessary to sustain the firm's position as a leader in financial advisory.

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    Frequently Asked Questions Regarding Open Society Foundations Top Executives and Leadership Team

    Who leads Open Society Foundations?
    Open Society Foundations is led by Leela Ramdhani (Chief Operating Officer), along with executives such as Fatima Munoz (Operations Officer & Chief Operating Officer, Office of) and Maija Arbolino (Interim Chief Operating Officer).
    Who is part of Open Society Foundations’s executive team?
    The executive team of Open Society Foundations includes leaders such as Leela Ramdhani (Chief Operating Officer), Fatima Munoz (Operations Officer & Chief Operating Officer, Office of), Maija Arbolino (Interim Chief Operating Officer) and other senior executives.
    How many executives does Open Society Foundations have?
    Open Society Foundations has 10 executives leading key business areas.
    What roles are included in Open Society Foundations’s leadership team?
    The leadership team of Open Society Foundations includes roles such as Chief Operating Officer, Operations Officer & Chief Operating Officer, Office of, Interim Chief Operating Officer, President, President, FNJ.