Young MN Millionaires: Renter's Warehouse Founder Brenton HaydenMinnetonka-based Renter's Warehouse is the largest and fastest-growing property management company in Minnesota. And the company isn't just in Minnesota; it's now expanded to 13 markets in 9 states. It was all started by then 22-year-old Brenton Hayden, who now at 28 is trying to stay retired.
Young MN Millionaires: Nerdery CEO Mike DerheimWhat makes a nerd? Mike Derheim, 35, and two partners started The Nerdery with a couple hundred bucks. Its annual revenue in 2013 was more than $52 million.