SIXTY-TWO-YEAR-OLD founder Marie Jerusalem has never felt more able to adapt to the changing demands of the corporate world. “My body’s not as agile as it used to be, but mentally I’m stronger today than I’ve probably ever been in my entire career,” she tells Fortune.
At 57, Jerusalem was let go from her chief people officer role in private equity. But she wasn’t financially, or emotionally, ready to retire. After working for a few years as a business consultant in HR, she pivoted to launch Rocket50, a membership community and job search platform that assists older workers. To get her business off the
