Back to

William Forrest

Senior Partner, Chicago
Helps boards and C-level executives develop innovative strategies to raise top-line revenue and sustain operational improvements, with a focus on industry-shaping mergers and acquisitions

About William

Will is a leader of McKinsey Digital. He brings more than 20 years of experience leading corporate and technology transformations at globally significant institutions.

Will’s leadership responsibilities at McKinsey include spearheading our cloud, next-generation-infrastructure, and data-center capabilities, as well as our global technology-infrastructure and high-tech M&A efforts. He also helps lead GLAM, McKinsey’s LGBTQ-affinity community.

Examples of his recent client work include the following:

  • developing a cloud strategy for a chief information officer of the US federal government
  • executing one of the largest M&A deals in the technology industry
  • co-conceiving and spinning out a leading cloud-platform company
  • developing a next-generation-innovation strategy for a global top ten retail bank

Before joining McKinsey, William was a senior manager at the financial-services-technology practice of a global consulting firm, where he helped establish and lead the infrastructure-management group.

Published work

Four ways boards can shape the cloud agenda,” McKinsey & Company, April 2021

Cloud’s trillion-dollar prize is up for grabs,” McKinsey Quarterly, February 2021

Unlocking value: Four lessons in cloud sourcing and consumption,” McKinsey & Company, November 2020

Past experience

Deloitte Consulting
senior manager


The University of Edinburgh
MA, philosophy/political science