Exelon’s CFO joined the Fortune 500 company nearly 20 years ago. Here’s her advice for career longevity at one company

Good morning. Jeanne Jones, EVP and CFO of Exelon, has been with the company for 18 years, though she hadn’t originally set her sights on becoming the utility giant’s finance chief.

It wasn’t until a boss earlier in her career at the company encouraged her to map out a path to becoming Exelon’s CFO that she seriously considered the possibility. “I had two kids under 4; I was just happy to be here,” Jones recalled telling him.

But the exercise prompted her to think strategically about her career...