What does it take to say goodbye to a safe monthly salary and strike out on your own? This week we hear from company founders who left high-powered jobs to head off into the uncharted waters of entrepreneurship. First, Peter Milne, who left finance to start The Nunhead Gardener. We also meet Bryce Gracey, who set aside a career in architecture to co-found No. 22 Bicycle Company, a bespoke titanium manufacturer. We’ll also hear why Jackie Fast left her media-marketing business Slingshot Sponsorship to launch a vineyard and wine brand in her native Canada.