Duckworth specializes in the psychology of grit, she's spent the bulk of her career studying it. (inc.com)
He'd never worked at the company before, and the bulk of his career was spent in California's technology scene. (canadianbusiness.com)
Most recently, Kastner held senior management positions with Siena Lending Group, Keltic Financial and TD Bank's Asset Finance Group, and he spent the bulk of his career — more than 30 years — in senior management at Wachovia Capital Finance, the successor to Congress Financial. (abfjournal.com)