David Frost. is a CEO at ST-FOUR Ltd. He possess expertise in virtualization, vmware, cloud computing, enterprise software, vmware esx and 6 more skills. Colleagues describe him as "David is one of the best IT consultants I have had the pleasure working with. I recommend him to anyone I know who is looking for IT consultancy. It is a pity that you can only select 3 attributes as he fits the bill on all of them." and "A technical consultant with the technical knowledge and the great personality to work well with any organisation. I have used him many times to talk at my technical events as he is well respected by his peers. David takes a real interest in his customers and thus adds considerable added value to their relationship. It is without reservation that I would recommend him."