A Quarter Century Later, Equinox Unpacks the Secrets to Its Longevity

Chef Todd Gray and Ellen Kassoff are partners in the truest sense of the word. For nearly three decades, the duo have called one another husband and wife. And for the past 25 years, they’ve doubled as co-owners and operators of D.C.’s American fine dining darling Equinox. First opened in 1999 across …