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Brendan Gaffey

Senior PartnerDallas

Brendan Gaffey

Senior PartnerDallas

Helps TMT clients to grow in size, value, capabilities, and influence

Brendan is a leader in the Technology, Media & Telecommunications (TMT) Practice, and leads McKinsey Digital and McKinsey Analytics in the Southern US office. He coleads Fuel, a McKinsey company, which helps start-ups and investors to accelerate growth through consulting services, capability-building, and connections.

Brendan has extensive experience in supporting growth, strategy, operational scaling, sales, and marketing at a range of TMT clients, from mobile operators to hyper-growth start-ups. He is one of the firm’s leading experts on wireless-broadband technologies, mobile virtual-network operators, and the overall wireless ecosystem.

Brendan has helped his clients to drive multiple industry-shaping M&A deals and large-scale operational and growth transformations. Additionally, he has assisted numerous fast-growth start-ups and investors in growing their valuation through a combination of sales expansion, joint business-building, and optimization of unit economics and operating models.

Prior to joining McKinsey, Brendan received a PhD from Yale University and BA from the University of Notre Dame.

Published work

The network is the product: How AI can put telco customer experience in focus,” McKinsey & Company, February 2024

Beyond the hype: Capturing the potential of AI and gen AI in TMT,” McKinsey & Company, February 2024

Outsmarting the 5G smartphone challenge: How telcos can reinvent their handset business,” McKinsey & Company, January 2020

Are your customers becoming digital junkies?,” McKinsey Quarterly, July 2011


Yale University
PhD in electrical engineering

University of Notre Dame
BS in physics