Gregg Renfrew’s power-dressing trick is easy to pull off

A tailored navy blazer. A crisp white button-down. A well-cut trouser. Gregg Renfrew‘s style reads as classic New England prep until you get to the leopard-print pumps, the chunky statement jewelry, the sharp leather jacket. For high-stakes moments, like TV interviews and speeches, she turns to bright red, her power color. Renfrew, founder and CEO of the beauty brand Counter, says that her sharp style is something that came to her over time. While the fashion and beauty industries...