Roland Berger Executive and Leadership Team

July, 2026

Leadership Overview

Roland Berger has 5 executives leading key functions including finance, operations, marketing, and legal.

Driven by a commitment to strategic excellence, Roland Berger provides essential management consulting services, shaping market dynamics through expert guidance and innovative solutions.

Leadership Roles at Roland Berger

  • Chief Financial Officer - Yoshio Kawai
  • Roland Berger Middle Chief of Staff (East) - Alexander Westerhorstmann
  • Chief of Staff (Americas) - James Wegienka
  • Chief Marketing Officer (Americas) - Stefan Lysak
  • Chief Legal Officer (Americas) - Marleen Kelley
  • Yoshio Kawai - Chief Financial Officer

    Yoshio Kawai, the Chief Financial Officer at Roland Berger, directs all financial operations and fiscal strategy. Overseeing budgeting, forecasting, and financial reporting, Kawai ensures robust financial health and compliance with global accounting standards. This leadership role involves managing investment portfolios and optimizing capital allocation to support the firm's growth objectives. By analyzing market trends and economic indicators, Yoshio Kawai provides critical insights that inform strategic decision-making across all business units. The Chief Financial Officer's responsibilities extend to risk management, ensuring the firm's financial resilience against market volatility and economic downturns. This executive drives financial planning and performance management, aligning fiscal activities with the overarching business strategy of Roland Berger.

    Alexander Westerhorstmann - Roland Berger Middle Chief of Staff (East)

    Alexander Westerhorstmann, the Roland Berger Middle Chief of Staff (East) at Roland Berger, spearheads strategic initiatives and operational efficiency across the Eastern region. This role involves coordinating cross-functional teams to execute complex consulting projects and ensuring seamless project delivery. Westerhorstmann drives the implementation of new business processes and technologies, enhancing the firm's service capabilities. The Chief of Staff (East) acts as a key liaison between regional leadership and global headquarters, facilitating communication and alignment on strategic priorities. Alexander Westerhorstmann's focus includes optimizing resource allocation and fostering a collaborative environment to maximize team performance. This executive ensures that operational strategies directly support the firm's mission of delivering exceptional value to clients in the Eastern markets.

    James Wegienka - Chief of Staff (Americas)

    James Wegienka, the Chief of Staff (Americas) at Roland Berger, orchestrates strategic planning and operational execution throughout the Americas. This position demands close collaboration with regional partners to drive business development and enhance client engagement. Wegienka oversees the integration of new consulting methodologies and ensures adherence to quality standards across all projects. The Chief of Staff (Americas) serves as a critical advisor to senior leadership, translating strategic objectives into actionable plans. James Wegienka's responsibilities include managing key internal projects, optimizing operational workflows, and fostering a culture of continuous improvement within the Americas division. This executive ensures that the firm's consulting services effectively address the unique market demands and opportunities present in North and South America.

    Stefan Lysak - Chief Marketing Officer (Americas)

    Stefan Lysak, the Chief Marketing Officer (Americas) at Roland Berger, directs all marketing and brand strategy across the Americas region. This role involves developing and executing integrated marketing campaigns to enhance brand visibility and drive lead generation for the firm's consulting services. Lysak oversees market research, competitive analysis, and digital marketing initiatives to identify new growth opportunities. The Chief Marketing Officer (Americas) ensures consistent brand messaging and positioning in alignment with global marketing objectives. Stefan Lysak's leadership focuses on building strong client relationships through targeted communication and thought leadership content. This executive is responsible for measuring marketing ROI and optimizing campaign performance to achieve ambitious business development targets within the Americas.
    Marleen Kelley, the Chief Legal Officer (Americas) at Roland Berger, provides comprehensive legal counsel and ensures regulatory compliance throughout the Americas. This position involves managing all legal affairs, including contract negotiation, corporate governance, and intellectual property protection. Kelley advises senior management on legal risks and strategic implications associated with business operations and client engagements. The Chief Legal Officer (Americas) oversees litigation management and works to mitigate legal exposure for the firm. Marleen Kelley's expertise is crucial in navigating complex legal landscapes and upholding the highest ethical standards. This executive safeguards the firm's interests by ensuring adherence to all applicable laws and regulations across the diverse markets within the Americas.
    Marleen Kelley

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    Frequently Asked Questions Regarding Roland Berger Top Executives and Leadership Team

    Who leads Roland Berger?
    Roland Berger is led by Yoshio Kawai (Chief Financial Officer), along with executives such as Alexander Westerhorstmann (Roland Berger Middle Chief of Staff (East)) and James Wegienka (Chief of Staff (Americas)).
    Who is part of Roland Berger’s executive team?
    The executive team of Roland Berger includes leaders such as Yoshio Kawai (Chief Financial Officer), Alexander Westerhorstmann (Roland Berger Middle Chief of Staff (East)), James Wegienka (Chief of Staff (Americas)) and other senior executives.
    How many executives does Roland Berger have?
    Roland Berger has 5 executives leading key business areas.
    What roles are included in Roland Berger’s leadership team?
    The leadership team of Roland Berger includes roles such as Chief Financial Officer, Roland Berger Middle Chief of Staff (East), Chief of Staff (Americas), Chief Marketing Officer (Americas), Chief Legal Officer (Americas).