School’s starting, the fall calendar is filling up, and all of a sudden it’s time to think about—gulp—the holidays. No one understands the inevitable panic like Perris Deppa, founder of the lifestyle-management company Brass Tacks. The Jill-of-all-trades serves as assistant, personal shopper, concierge, event planner, and go-to gal for those who find themselves buried by to-do lists. From sending out holiday cards to wrapping a pile of presents to planning a tropical vacation, Deppa has all the details covered.