About Alastair

Alastair is a leader of our Chemicals & Agriculture and Private Equity Practices in the Americas.

Since joining McKinsey 2006, Alastair has led major performance-improvement engagements for public- and private-sector clients on topics related to investment strategy and infrastructure development.

An expert on private equity and principal investing, Alastair has advised leading private-equity clients for nearly a decade, including leading 100-day planning and portfolio efforts for more than 15 oil field services and equipment (OFSE) businesses. Drawing on his expertise in emerging markets, he has recently begun to focus extensively on sub-Saharan Africa, leading our work in the region on infrastructure finance, water infrastructure, and social-impact investment.

In his role as a leader in the Chemicals & Agriculture Practice, Alastair directs McKinsey’s efforts on industrial waste-water and fluid management. Alastair recently completed several multiple diligences in upstream OFSE, including fluids management in unconventional basins focused on outside-in cost assessments.

Prior to joining McKinsey, Alastair worked in Acumen Fund’s Nairobi office, where he evaluated East African investment opportunities and co-led the fund’s first Ugandan transaction. In the past two decades, he has worked on development efforts across Africa, including endeavors in Ghana, Kenya, Lesotho, Nigeria, and Tanzania.

Published Work

New horizons for infrastructure investing,” McKinsey & Company, August 2015

A hidden roadblock in public infrastructure projects,” McKinsey & Company, June 2015

Uncovering hidden investment opportunities in Africa,” McKinsey & Company, February 2014

Past Experience

Acumen Fund
portfolio manager

International Finance Corporation


Harvard Law School
JD, commercial law

University of Cambridge
MPhil, economics

University of Pennsylvania
BA, international studies;
BS, economics