Interview: Negative Underwear Co-Founder Marissa Vosper Talks Lingerie For The Modern Woman12 of 15TweetView All12 of 15What’s your #1 tip for all aspiring entrepreneurs?Focus on solving a problem in a category you’re passionate about. Starting a business is a completely consuming, 24/7 commitment, so you better love the business you’re working to build!12 of 15