Starting a business can be an overwhelming ordeal. No matter the industry, a founder is bound to make some mistakes and a company’s early days are likely to involve a lot of trial and error. In addition to preparation and perseverance, some founders say an MBA degree—and particularly the networking opportunities, financial knowledge, and problem-solving abilities people gain from these programs—was valuable for surviving missteps. Fortune asked 10 start-up founders, who are enrolled in or graduated from executive, professional, full-time, and part-time MBA programs, to share how their MBA experience helped launch their businesses. Here’s what they said.