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Erikhans Kok

Senior PartnerHouston

As the global leader of small capital projects and portfolio optimization, advises clients from all sectors on capital productivity, operations, and strategy

Erikhans is the global leader of small capital projects and portfolio optimization, part of the firm’s Capital Excellence Practice.

With over 15 years of experience at McKinsey, he offers deep expertise in optimizing small and midsize capital projects and portfolios, as well as frontline manufacturing, operations, and strategy. He predominantly serves oil and gas, oil-field services, chemical, utility, and telecommunications clients. 

Examples of his recent client work include the following:

  • leading an operational transformation across manufacturing, procurement, and supply chain for a leading chemicals company
  • helping a global oil and gas company to reduce capital expenditure (capex) by 10 percent on a megaproject
  • advising a leading utility on a small capex capital-productivity improvement program, generating 15 percent savings
  • serving a leading utility’s nuclear plants, reducing capex by 25 percent
  • leading a capital-allocation improvement transformation for a leading telecommunications company with more than $15 billion in annual capex

Published work

How capital expenditure management can drive performance,” McKinsey & Company, June 2022

Capturing the net-zero opportunity with portfolio synergies,” McKinsey & Company, April 2022

Resetting capital spending in the wake of COVID-19,” McKinsey & Company, June 2020

Smaller fleet, big impact,“ McKinsey & Company, December 2016


Kellogg School of Management, Northwestern University
MBA, finance, organization

University of Amsterdam
MSc, political science

Erasmus University Rotterdam
MSc, business administration