All quotes can be attributed to John Salt the CEO of Only Data Jobs, the UK’s largest data science only jobs board. An industry veteran, with time at TotalJobs Group, C-V Library, Reed Elsevier and Guardian Media, he’s an expert in internet marketplace, e-commerce and SaaS business models. He built Totaljobs Group sales channels and e-commerce from less than £2M to more than £70M, delivering profitable growth both there and at CV-Library.