EY-Parthenon: Strategic value at a global scale - May 27, 2026 -
Join Andrea Guerzoni, EY-Parthenon Global Vice Chair, and Bill Achtmeyer, Parthenon Group Founder, discussing how a 30-year legacy was created.https://www.ey.com/en_gl/services/strategy/parthenon
In this interview, moderated by James O’Dowd, EY-Parthenon explores its journey from the early roots to a 25,000-person global organisation operating in more than 120 countries.
The speakers discuss the original DNA of Parthenon, grounded in solid client relationships, hiring top talent, and developing strategies that work in practice, not just on paper. They share how joining EY enabled the firm to scale globally, build end-to-end strategy and transaction capabilities, and combine the agility of a boutique with the breadth and financial strength of a Big Four organisation.
The discussion includes how technology, especially AI, is reshaping strategy work, and why human judgement, trust, and credibility remain essential in the board room, even in a data-rich environment.
The skills young consultants need today are highlighted, from emotional intelligence and global teaming to technology fluency and deep sector expertise. They emphasise the ongoing importance of in-person collaboration, apprenticeship, and learning to read the room, arguing that a fully remote consulting model cannot replace trust-building and hands-on development.
Key topics covered in this video:
• Tracing EY-Parthenon’s growth into a 25,000-person global strategy organisation
• Exploring the founding principles and culture that shaped EY-Parthenon
• Understanding how AI and GenAI are changing strategy consulting
• Balancing technology-driven insights with human judgement and trust
• Identifying the skills the next generation of consultants needs to succeed
🔍 Learn more about EY-Parthenon: https://www.ey.com/en_gl/services/strategy/parthenon
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