'We've Served Over 2 Million': Their Milkshake Went Viral and Helped This Local Burger Joint Grow Into a Global Brand Julie Mulligan, co-founder and CEO, shares the secret ingredients to Black Tap’s worldwide growth and brand expansion. Previous Article John and Hank Green Built a Company That Gives Away 100% of Its Profits — Here's How Next Article How One Man Conquered the World's Toughest Peaks — and Built a Brand Every Founder Should Study
