Elon Musk’s history with drugs—from marijuana to ketamine—has been widely documented, and this month has brought new reports suggesting his use of mind-altering substances is more evasive than previously known.
Musk is hardly the only CEO who has used drugs while also carrying out a job that many in the business world regard as a 24-7 responsibility. While drug use can be viewed as a personal or mental health issue, it's also a matter of legitimate matter of concern for boards and shareholders. In interviews with Fortune, corporate governance experts offered insights on when things may have have gone too far—and what companies need to do in response.
