Dalberg Executive and Leadership Team

August, 2026

Leadership Overview

Dalberg has 4 executives leading key functions including organizational strategy, financial operations, regional management, and cross-divisional coordination.

Committed to global human advancement, Dalberg integrates research, design, and capital to solve complex societal challenges through a unified, multi-divisional approach that drives sustainable impact across diverse international markets.

Leadership Roles at Dalberg

  • Partner & Chief Financial Officer (Americas) - John Sartori
  • Chief of Staff - Marieme Diallo
  • Chief of Staff - Africa - Jasper Okoth
  • Chief of Staff (Asia Pacific) - Shrivika Dhawan
  • John Sartori - Partner & Chief Financial Officer (Americas)

    John Sartori, the Partner & Chief Financial Officer (Americas) at Dalberg, directs all financial planning and fiscal strategy for the North American and South American markets. Overseeing capital allocation and investment risk, the Partner & Chief Financial Officer (Americas) ensures the financial health of Dalberg Capital and related business units. This leadership role requires constant interaction with the Board to maintain transparency and drive sustainable growth. By managing regional budgets and resource distribution, John Sartori supports the expansion of research and design capabilities across the Americas. The Partner & Chief Financial Officer (Americas) implements robust financial controls to safeguard assets while funding innovative projects. Through precise fiscal management, the Partner & Chief Financial Officer (Americas) secures the necessary capital to advance the firm's humanitarian objectives. Sartori maintains a focus on long-term profitability, ensuring that financial performance consistently aligns with the broader mission of the organization.

    Marieme Diallo - Chief of Staff

    Marieme Diallo, the Chief of Staff at Dalberg, manages internal operations and facilitates communication across the six core divisions. Coordinating executive priorities, the Chief of Staff ensures alignment between Dalberg Advisors and Dalberg Data Insights to optimize project delivery. This role involves streamlining administrative workflows and supporting the leadership team in executing long-term organizational goals. By fostering collaboration between departments, Marieme Diallo strengthens the operational foundation necessary for global consulting success. The Chief of Staff monitors performance metrics to maintain high standards of service across all humanitarian initiatives. Through rigorous oversight of internal processes, the Chief of Staff enables the firm to scale effectively while maintaining focus on the core mission of improving worldwide humanity. This position remains central to the daily functionality of the firm, ensuring that strategic objectives translate into tangible results for clients and partners alike.

    Jasper Okoth - Chief of Staff - Africa

    Jasper Okoth, the Chief of Staff - Africa at Dalberg, directs regional operations and strategic initiatives across the African continent. Managing the integration of Dalberg Research and Dalberg Design within local markets, the Chief of Staff - Africa ensures that project execution meets the specific needs of regional stakeholders. This role involves coordinating with cross-functional teams to drive development projects that address critical humanitarian issues. By overseeing regional resource allocation, Jasper Okoth optimizes the impact of consulting services throughout the area. The Chief of Staff - Africa facilitates communication between local offices and global leadership to maintain consistency in service quality. Through active engagement with regional partners, the Chief of Staff - Africa strengthens the firm's presence and influence. Okoth drives operational efficiency, ensuring that every initiative contributes to the overarching goal of fostering sustainable growth and positive change across the diverse African landscape.

    Shrivika Dhawan - Chief of Staff (Asia Pacific)

    Shrivika Dhawan, the Chief of Staff (Asia Pacific) at Dalberg, directs strategic operations and organizational alignment throughout the Asia Pacific region. Overseeing the implementation of Dalberg's multi-divisional services, the Chief of Staff (Asia Pacific) ensures that regional projects reflect the firm's commitment to high-quality research and design. This role involves managing complex stakeholder relationships and coordinating with global leadership to adapt business models to local market nuances. By streamlining regional workflows, Shrivika Dhawan enhances the efficiency of consulting engagements across the territory. The Chief of Staff (Asia Pacific) monitors project outcomes to ensure alignment with the firm's humanitarian mission. Through proactive management of regional resources, the Chief of Staff (Asia Pacific) supports the expansion of Pioneer Businesses in the area. Dhawan drives operational excellence, ensuring that the firm's presence in Asia Pacific remains robust, impactful, and fully integrated with the global strategy.

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    Frequently Asked Questions Regarding Dalberg Top Executives and Leadership Team

    Who leads Dalberg?
    Dalberg is led by John Sartori (Partner & Chief Financial Officer (Americas)), along with executives such as Marieme Diallo (Chief of Staff) and Jasper Okoth (Chief of Staff - Africa).
    Who is part of Dalberg’s executive team?
    The executive team of Dalberg includes leaders such as John Sartori (Partner & Chief Financial Officer (Americas)), Marieme Diallo (Chief of Staff), Jasper Okoth (Chief of Staff - Africa) and other senior executives.
    How many executives does Dalberg have?
    Dalberg has 4 executives leading key business areas.
    What roles are included in Dalberg’s leadership team?
    The leadership team of Dalberg includes roles such as Partner & Chief Financial Officer (Americas), Chief of Staff, Chief of Staff - Africa, Chief of Staff (Asia Pacific).