Building a Sustainable Agency Through Values-Driven Leadership and Specialist Focus. In this episode of How I Grew This, hosts Amanda and Adam speak with Mick Rigby, founder and CEO of Yodel Mobile, about his 20-year journey building a specialist mobile app marketing agency. From launching just before the iPhone's debut to being recently acquired by NP Digital, Mick shares insights on sustainable growth, maintaining company values, and adapting to industry changes.