MSD Partners, an investment firm, completed the investment in West Monroe, one of the fastest-growing digital consulting firms in North America. Financial terms were not disclosed. "This is the right time for West Monroe to take on a strategic investment from an investor who shares our long-term view on growth and client service. In MSD Partners, we selected a partner who believes in our strategy, our culture, our operating principles and the ability of our talented employees to achieve our goals," Kevin McCarty, West Monroe Chairman and CEO.