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

Top 10 geopolitical developments in 2026

Oliver Jones 11 Dec 2025
Surfers looking at the stormy ocean from the cliff during winter surfing session

Neurosymbolic AI Services to Drive Growth

Go beyond generative AI. EY-Parthenon’s neurosymbolic platform unites data, logic and learning to power agentic workflows that drive smarter decisions and real-world impact.

Learn more.
AI concept. 3D render

Reframing the future of an iconic skiwear brand

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

Learn more
Get in touch
Talk to us about how to reimagine your strategy and realize your transformation plans.

Our latest thinking

When the world shifts overnight, can you operate at the speed of trust?

Risk operating models must become strategy-first, trigger-based and governance-forward. Learn how Risk Strategists are leading the way.

Scott McCowan + 2

How do CEOs reimagine enterprises for a future that keeps rewriting itself?

EY-Parthenon CEO Outlook 2026 explores how leaders use AI, transformation and portfolio strategy to navigate uncertainty and drive sustainable growth.

Andrea Guerzoni + 2

How can reimagining risk prepare you for an unpredictable world?

The 2025 EY Global Risk Transformation Study explores how Risk Strategists see disruption earlier, adapt faster and respond with more precision.

Scott McCowan + 2

Rivada is reimagining wireless internet as a commodity

By leveraging AI and automation, patient diagnostics have picked up pace in a health care testing company. Learn more in this case study.

Transact to transform: How a human focus can unlock deal value

Transactions which have a bold vision, prioritize the workforce and set conditions to navigate hurdles are more likely to transform a business. Learn more.

Liz Fealy + 2

Prepare now for the new era of selective globalization

Exploring scenarios for the world in five years reveals divergent paths for geopolitics, economic policies and company strategies. Learn more.

Oliver Jones + 2

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 + 3

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

Reframing the future of an iconic skiwear brand

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

Falco Weidemeyer

    Our EY-Parthenon team

    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

    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

    Chris Librizzi

    EY-Parthenon Americas Strategy Leader
    Focused on what it takes for our work to drive lasting change. Believer in the power of diverse and inclusive cultures. Advisor to education leaders reshaping their organizations. Husband and father.
    New York, NY, United States

    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

    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
     

    How EY-Parthenon can help

    EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients. For more information about our organization, please visit ey.com.

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