Livv Fitt — the popular fitness influencer and nutrition guru — took on a brand-new role as a certified talent officer for an undisclosed technology company this year. As part of Livv’s new job, she ...

In her book, Radke interviews a “fit model” whose job is to help designers and garment makers ensure that their jeans look good when worn. This woman’s exact measurements are coveted, as she is tall, ...