Today we continue our A-Z of Business Marketing. We're looking to give a primer on the very latest thinking, practices and practical examples on every big topic in B2B land. And we’ve reached F. F stands for Function. B2B Marketer Dave Stevens hears from four experts on the topic today:Head of Marketing and Communications at Bird & Bird Hayley Brooksbank, Director at Sales Process Engineering Patrick Rea, and leadership, business and team performance coach Carly Ferguson.