Strategy by EY-Parthenon

In today’s fast-paced world, C-suite and business leaders must truly be effective at driving value creation across their organization.

Featured Thinking

How CEOs juggle transformation priorities – the art of taking back control

Andrea Guerzoni 18 Sep 2025
Drone Point View of Modern Office Building Exterior in the Mist at Night. This Building is the New Local Landmark at No. 48 West Hong Kong Road, Shinan District, Qingdao City, Shandong Province, China.

Reframing the future of an iconic skiwear brand

EY-Parthenon helped BOGNER refinance, reshape and return to profitability.

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Our latest thinking

Reframing the future of an iconic skiwear brand

EY-Parthenon helped BOGNER refinance, reshape and return to profitability in spite of the COVID-19 pandemic. Learn more.

Falco Weidemeyer

How the drivers of private equity value creation are changing

Discover the five key drivers in private equity value creation in uncertain markets.

Bridget Walsh + 3

Tech disruptions can inform the economic impact of AI

Discover learnings from three key historical episodes of rapid technological change that may help predict the economic impact of AI.

Lydia Boussour

Top 10 geopolitical developments for 2024

An even more complex geopolitical environment is on the horizon. Learn how businesses need to innovate and adapt their strategies to stay ahead.

Courtney Rickert McCaffrey + 2

How a cosmetics giant’s transformation strategy is unlocking value

Shiseido, the largest Japanese beauty company, is reimagining its functions, processes and systems to create a global operating model. Learn more.

Nobuko Kobayashi + 4

Why a level head is needed to deal with geopolitical risk

Understanding your company’s political risk profile is necessary to set global strategy. It’s time to shore up any gaps in political risk exposure. Learn more.

Courtney Rickert McCaffrey + 1

    Our EY-Parthenon team

    Manabu Shinohara

    EY-Parthenon Japan Strategy and Transformation Leader; Strategy and Execution Leader
    A leader in strategy advisory services that cover everything from value-increasing strategies to the use of external resources (M&A, etc.).
    Tokyo, Japan

    Yoshimasa Sakata

    EY-Parthenon Japan Markets Leader; Strategy and Execution Deputy Leader, EY Strategy and Consulting Co., Ltd.
    Deep consulting experience in the Shosha sector. Cross-border and domestic transaction strategy and operations focusing primarily on integration, carve-outs, and organizational transformation.
    Tokyo, Japan

    Andrea Guerzoni

    EY Global Vice Chair; EY-Parthenon Global Leader, Strategy and Transactions
    Advising Boards and CEOs on transformational deals from strategy through to execution. Global Leader of Strategy and Transactions service line. Innovator and team player.
    Milano, Italy

    Nadine Mirchandani

    EY Global Deputy Vice Chair | EY-Parthenon Global Deputy Leader - Strategy and Transactions
    Over 20 years of experience in leading financial services, corporate and private equity transactions. Advisor to both sell- and buy-side.
    New York, NY, United States

    Mitch Berlin

    EY Americas Vice Chair, EY-Parthenon
    Dedicated to finding and capturing the most value from every transaction. Passionate advocate for diversity and inclusiveness as the cornerstones of successful teams and businesses.
    New York, NY, United States

    John van Rossen

    EY-Parthenon Global Strategy and Execution Leader
    Driven by purpose and motivated to always help colleagues and clients find a better way of doing things. Fascinated by military history. Podcast addict. Curious nerd.
    London, United Kingdom

    Constantin M. Gall

    EY-Parthenon Europe West Managing Partner; EY Global Aerospace Defense & Mobility Practice Leader
    Decades in transactions, corporate finance, strategy and global management. Transformation driver. Entrepreneurial spirit. Passionate about mobility, innovation, travel and exploring new cultures.
    Stuttgart, Germany

    Shannon Cotter

    EY-Parthenon Asia Pacific and Oceania Leader
    Driver of generational investment and change in infrastructure. Advocate for diverse teams. Mentor to women. Critical thinker. Intrepid traveler.
    Sydney, Australia

    EY Global

    Multidisciplinary professional services organization
     

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    EY-Parthenon is a brand under which a number of EY member firms across the globe provide strategy consulting services.