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.

EY-Parthenon is a transformative strategy and transactions consultancy that provides real-world value: solutions that work in practice not just on paper.

Setting and executing a strategy to create and optimize value for all stakeholders has never been more challenging. CEOs need to consider and take bold and transformative steps such as setting strategic directives in light of radically shifting customer and market dynamics, leading disruptive innovation in their sector, pursuing and optimizing inorganic growth strategies, defining and implementing organic growth strategies and embedding sustainability into their business model.

With more than 25,000+ strategy professionals in more than 150 countries, we have reimagined strategy to work in an increasingly complex world. EY-Parthenon professionals continually answer the “What?” and the “How?” questions on the CEO agenda to help achieve their strategic objectives and shape their future with confidence. 

This video series delves into the corporate strategies of CEOs. Watch Anna Dunn, CEO of J.P. Morgan Securities plc; Colin Bell, CEO of HSBC Bank plc; Bill Anderson, CEO of Bayer AG; Ida Banek, CEO of Ouronyx; Adrian Gore, CEO of Discovery Limited; Rachel Pendered Co-CEO of Media Zoo; Alberto Nobis CEO of DHL Express Europe; Petra von Strombeck CEO of New Work SE and Zak Brown CEO of McLaren Racing.

Explore EY-Parthenon Solutions

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Featured

Geostrategic Analysis: July 2025 edition

Our latest thinking

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

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.

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

Our EY-Parthenon team

Andrea Guerzoni

EY Global Vice Chair – EY-Parthenon

Advising Boards and CEOs on transformational deals from strategy through to execution. Global Leader of Strategy and Transactions service line. Innovator and team player.

Nadine Mirchandani

EY Global Deputy Vice Chair – EY-Parthenon

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-Parthenon sector strategy consulting teams have deep sector strategy experience and can help your business challenge the status quo. Learn more.
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The Geostrategic Business Group can help translate geopolitical insights into business strategy to help manage political risk. Find out how.
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Discover EY-Parthenon’s AI-powered deal technology platforms that drive real-world results across strategy, transactions and transformation.
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