DAI Executive and Leadership Team

September, 2026

Leadership Overview

DAI has 10 executives leading key functions including strategy, financial oversight, operational management, and global marketing.

Committed to sustainable development and policy implementation, DAI delivers professional consulting solutions to government and private sector clients across North America, Europe, Asia, Africa, South America, and the Middle East.

Leadership Roles at DAI

  • Chief Executive Officer - Mohamed Yacoub
  • Founder & Chief Executive Officer - Sarah Harb
  • Deputy Chief Executive Officer - Keitaro Inoue
  • Chief Executive Officer & President - Tine Knott
  • Chief Financial Officer - Naohiro Iwamoto
  • Era Chief Operating Officer - Tigran Yeghyan
  • President - Rizvi Ismail
  • Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt - Hassan Guyo
  • Chief Operations Officer - Moses Salami
  • Deputy Director - Dan Rothberg
  • Mohamed Yacoub - Chief Executive Officer

    Mohamed Yacoub, the Chief Executive Officer at DAI, directs the overarching strategic vision for international development projects. Overseeing the firm's global consulting portfolio, the Chief Executive Officer ensures alignment between complex policy implementation and client objectives. This leadership role involves managing high-level advisory services across diverse sectors like healthcare and technology. By optimizing internal resources, Mohamed Yacoub drives sustainable growth across the firm's worldwide operations. The Chief Executive Officer maintains rigorous standards for project delivery, ensuring that every initiative meets the specific needs of government and private sector partners. Through constant engagement with the Board, the Chief Executive Officer secures long-term stability for the organization. Yacoub fosters a culture of excellence, pushing the firm to address critical global challenges with innovative, scalable solutions that deliver measurable impact in emerging markets.

    Sarah Harb - Founder & Chief Executive Officer

    Sarah Harb, the Founder & Chief Executive Officer at DAI, architects the foundational mission of the firm while guiding long-term corporate strategy. Overseeing the expansion of consulting services into new geographic territories, the Founder & Chief Executive Officer ensures the organization remains at the forefront of international development. This leadership role involves cultivating relationships with key stakeholders and government entities to secure large-scale advisory contracts. By prioritizing sustainable development, Sarah Harb directly influences the firm's market position and reputation for excellence. The Founder & Chief Executive Officer manages the integration of new technology solutions into existing service models, enhancing efficiency across all global offices. Through strategic oversight, Harb maintains the firm's commitment to high-quality professional services. The Founder & Chief Executive Officer drives the company's evolution, ensuring that the business model adapts to the shifting demands of the global economy while maintaining core values.

    Keitaro Inoue - Deputy Chief Executive Officer

    Keitaro Inoue, the Deputy Chief Executive Officer at DAI, executes operational strategies that support the firm's international development goals. Overseeing the coordination between regional offices in Asia and the Middle East, the Deputy Chief Executive Officer ensures seamless project execution across borders. This leadership role involves streamlining internal processes to improve service delivery for government clients. By analyzing market trends, Keitaro Inoue identifies new opportunities for growth in the finance and technology sectors. The Deputy Chief Executive Officer collaborates with the executive team to refine the firm's advisory approach, ensuring consistency in quality and impact. Through rigorous performance monitoring, Inoue optimizes resource allocation to maximize project outcomes. The Deputy Chief Executive Officer maintains a focus on operational excellence, driving the firm's ability to navigate complex regulatory environments while delivering sustainable solutions that meet the evolving needs of global partners.

    Tine Knott - Chief Executive Officer & President

    Tine Knott, the Chief Executive Officer & President at DAI, directs the firm's comprehensive business strategy and corporate governance. Overseeing the integration of healthcare and technology consulting services, the Chief Executive Officer & President ensures that the organization delivers high-value solutions to a global client base. This leadership role involves managing the firm's presence in North America and Europe, focusing on strategic growth and market penetration. By aligning corporate objectives with sustainable development goals, Tine Knott drives the firm's mission to provide impactful advisory services. The Chief Executive Officer & President coordinates with other senior leaders to ensure operational efficiency and financial health. Through proactive management, Knott secures the firm's competitive advantage in the consulting industry. The Chief Executive Officer & President fosters innovation, ensuring that the organization remains a trusted partner for governments and private sector entities seeking to address complex global challenges.

    Naohiro Iwamoto - Chief Financial Officer

    Naohiro Iwamoto, the Chief Financial Officer at DAI, directs the firm's financial strategy, budgeting, and fiscal reporting. Overseeing the financial health of global operations, the Chief Financial Officer ensures that resources are allocated effectively to support international development projects. This leadership role involves managing capital structure, risk assessment, and financial compliance across all regions. By implementing robust financial controls, Naohiro Iwamoto drives transparency and accountability throughout the organization. The Chief Financial Officer collaborates with the executive team to evaluate the financial viability of new market entries and service expansions. Through strategic planning, Iwamoto optimizes the firm's cash flow and investment strategies to support long-term growth. The Chief Financial Officer maintains strong relationships with financial institutions and stakeholders, ensuring the firm remains well-positioned to fund its mission. Iwamoto provides the financial foundation necessary for the firm to deliver high-quality consulting services to government and private sector clients worldwide.

    Tigran Yeghyan - Era Chief Operating Officer

    Tigran Yeghyan, the Era Chief Operating Officer at DAI, architects the operational framework for the firm's specialized consulting initiatives. Overseeing the internal systems that support project delivery, the Era Chief Operating Officer ensures that teams have the necessary tools and processes to succeed. This leadership role involves streamlining workflows to enhance productivity across the firm's global footprint. By focusing on operational scalability, Tigran Yeghyan drives the firm's ability to handle large-scale development projects in complex environments. The Era Chief Operating Officer collaborates with department heads to align operational activities with the firm's strategic objectives. Through continuous process improvement, Yeghyan optimizes the delivery of professional services, ensuring efficiency and quality. The Era Chief Operating Officer maintains a focus on operational excellence, driving the firm's capacity to meet the diverse needs of its clients while maintaining a lean and effective organizational structure that supports sustainable growth.

    Rizvi Ismail - President

    Rizvi Ismail, the President at DAI, directs the firm's overall business operations and strategic execution. Overseeing the alignment of the firm's consulting services with market demands, the President ensures that the organization remains a leader in international development. This leadership role involves managing the firm's diverse portfolio of projects and ensuring that each initiative contributes to the company's long-term goals. By fostering a culture of innovation, Rizvi Ismail drives the development of new advisory solutions that address emerging global challenges. The President collaborates with the executive team to refine the firm's business model and expand its reach into new sectors. Through strategic leadership, Ismail ensures that the firm maintains its commitment to sustainable development and high-quality service delivery. The President maintains a focus on driving growth and profitability, ensuring that the firm continues to provide significant value to its government and private sector clients while navigating the complexities of the global market.

    Hassan Guyo - Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt

    Hassan Guyo, the Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt at DAI, directs the firm's outreach strategies and brand positioning. Overseeing the communication of the firm's impact, the Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt ensures that the organization's mission resonates with global stakeholders. This leadership role involves managing marketing campaigns that highlight the firm's expertise in international development and policy implementation. By fostering community engagement, Hassan Guyo drives awareness and support for the firm's projects in Africa and beyond. The Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt collaborates with regional teams to tailor messaging to local contexts, ensuring relevance and effectiveness. Through strategic brand management, Guyo enhances the firm's reputation as a leader in professional consulting. The Community Mobilization Officer & Global Chief Marketing Officer, At Dai Llt maintains a focus on building strong connections with clients and partners, driving the firm's visibility and influence.
    Hassan Guyo

    Moses Salami - Chief Operations Officer

    Moses Salami, the Chief Operations Officer at DAI, directs the firm's day-to-day operational activities and project management infrastructure. Overseeing the logistics and execution of consulting services, the Chief Operations Officer ensures that all projects are delivered on time and within budget. This leadership role involves managing the firm's operational presence across multiple continents, ensuring consistency in service quality. By optimizing supply chain and resource management, Moses Salami drives operational efficiency and cost-effectiveness. The Chief Operations Officer collaborates with the executive team to implement strategic initiatives that improve project outcomes. Through rigorous performance tracking, Salami identifies and mitigates operational risks, ensuring the firm's ability to deliver reliable solutions to government and private sector clients. The Chief Operations Officer maintains a focus on operational excellence, driving the firm's capacity to execute complex development projects while maintaining high standards of performance and client satisfaction across all global operations.
    Moses Salami

    Dan Rothberg - Deputy Director

    Dan Rothberg, the Deputy Director at DAI, manages specific project portfolios focused on international development and policy implementation. Overseeing the day-to-day execution of advisory services, the Deputy Director ensures that project teams meet strict quality and timeline requirements. This leadership role involves coordinating with technical experts to deliver specialized solutions in the healthcare and finance sectors. By monitoring project performance, Dan Rothberg identifies areas for process improvement and efficiency gains. The Deputy Director supports the broader executive team by providing granular insights into regional operations and client needs. Through effective team management, Rothberg drives the successful completion of complex initiatives across diverse geographic markets. The Deputy Director maintains a focus on delivering measurable results, ensuring that the firm's consulting services provide lasting value to clients. Rothberg facilitates collaboration across departments, ensuring that all project activities align with the firm's overarching strategic goals and mission.

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    Frequently Asked Questions Regarding DAI Top Executives and Leadership Team

    Who leads DAI?
    DAI is led by Mohamed Yacoub (Chief Executive Officer), along with executives such as Sarah Harb (Founder & Chief Executive Officer) and Keitaro Inoue (Deputy Chief Executive Officer).
    Who is part of DAI’s executive team?
    The executive team of DAI includes leaders such as Mohamed Yacoub (Chief Executive Officer), Sarah Harb (Founder & Chief Executive Officer), Keitaro Inoue (Deputy Chief Executive Officer) and other senior executives.
    How many executives does DAI have?
    DAI has 10 executives leading key business areas.
    What roles are included in DAI’s leadership team?
    The leadership team of DAI includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Deputy Chief Executive Officer, Chief Executive Officer & President, Chief Financial Officer.