Managing the World’s Largest Publicly Traded Hedge Fund: Man Group CEO Robyn Grew

Dec 3, 2025

In a captivating discussion, Robyn Grew, CEO of Man Group, reflects on her unconventional upbringing and how it has shaped her leadership style. She reveals the firm's remarkable evolution from 1783 barrel-making to a cutting-edge quant investor. Grew shares insights on the importance of aligning culture with acquisitions and her innovative strategies in AI and machine learning, including the development of tools like ManGPT. She also discusses talent acquisition, emphasizing the need for curiosity and bold problem-solving in a dynamic market.

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ANECDOTE

From Barrels To Quant Powerhouse

Man Group evolved from 1783 barrel-making and Royal Navy rum supply into a global quant and discretionary investor.
Robyn Grew uses the firm's history to illustrate continuous reinvention and relevance to client needs.

ADVICE

Protect Strengths Before Imposing Change

Don't break what already works when you become CEO; reassure stakeholders and preserve strengths.
Focus resources on growing complementary capabilities like credit, solutions, equity quant, US presence, talent, and tech.

INSIGHT

Agentic AI Moves From Inform To Build

Man Group built internal AI tools called ManGPT, Alpha Assistant, and Alpha GPT to co-pilot and increasingly agentic workflows.
With curated decades of data, agentic models now produce live signals that are reviewed and integrated into human-led processes.

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Man Group is a global alternative investment management firm with approximately $213 billion in assets under management. Robyn Grew, CEO of Man Group, joins John Storey, global co-head of Equities Distribution and co-head of One Goldman Sachs, to discuss Man Group’s remarkable growth, its culture of innovation, and how technology, talent, and a commitment to staying relevant continue to drive its success.

This session was recorded on October 2, 2025.

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