No. 3: Kathleen Winters

Since 2019, when Winters was appointed chief financial officer at ADP, she has been responsible for leading global financial operations for the top paycheck processing giant. The company provides human resources, benefits administration and other services to more than 800,000 clients.

She oversees a diverse number of functions, including financial and accounting reporting, cash management, treasury, internal audit and tax. Winters is also constantly expanding her own expertise in IT and related areas, since “we’re always finding ways to do more with technology, including robotics and artificial intelligence for analytical and other purposes.”

Her resume reads like Who’s Who of companies, and includes positions at a Morgan Stanley spinoff and at Honeywell International, where her posts included CFO of Performance Materials & Technologies, a $10 billion materials and services company, and corporate controller and global leader of Financial Planning & Analysis. Before that, she worked at the Big Four CPA firm PwC.

Winters thrives on challenges and learning opportunities. “Things always change,” she said. “I have to stay fresh and current to keep up.”