Yaron Nili is Assistant Professor at University of Wisconsin Law School. This post is based on his recent article, forthcoming in the Boston University Law Review.
Recent years have seen a push towards the separation of the roles of CEO and chairperson of the board. While many companies still maintain a combined CEO-Chair role, a majority of the S&P 1500 companies has separated the roles, and investors consistently express their concern that the dual CEO-Chair position jeopardizes the independence and effectiveness of the board.
Many of the proposals to separate the CEO-Chair role seek to install an independent chair and retain the current CEO; however, recruiting a new chairperson is only one way in which the separation of the CEO-Chair roles can occur. In my recent article, Successor CEOs, forthcoming in the Boston University Law Review, I explore a second means of separating these roles: one where the CEO-Chair relinquishes her CEO position but remains the chairperson, allowing the company to bring on a new CEO to take her place. This is what I label as the “successor CEOs” phenomenon. Take, for example, the case of Chipotle Mexican Grill. The founder and former CEO of the company, Steven Ells, served as Chairman-CEO from 2009 through 2016 but stepped away from the CEO role in late 2017 due to investor pressure; former Taco Bell chief executive, Brian Niccol, was named his successor. While Ells is no longer the CEO, he remains the chairman of the board.
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