Harvard grad Julia Gudish Krieger, 27, worked for five years as a venture capitalist before launching New York-based VillageLuxe in 2014. A fan of the sharing economy, Krieger is betting that women whose closets are full of high- end clothes and accessories will want to rent out items like Birkin bags and Louboutin heels for prices that run around $200 a week. Participation is by invitation only.