John Clark Email & Phone Number

I have spent the last 25+ years working in PreSales roles, including recently helping VAR activereach to expand their portfolio into Cyber-Security, with products from vendors such as Netskope, Crowdstrike, Swimlane, eSentire and Attivo and Data Centre products from Mellanox and Cumulus. I spent many years working for leading networking vendors, including Brocade, Foundry Networks, Nortel Networks and Bay Networks in Pre-Sales/Technical Account Management roles and in all cases I have acted as the trusted adviser and key technical point of contact for many major clients in areas such as finance, media and service providerI prided myself in being part of very successful sales teams with a number of account managers over this period, where my technical and commercial skills have led to key customer/project wins, with successful deployments and fruitful on-going relationshipsPrior to that, I worked for 15 years in Post Sales engineering, on Mini Computers and the emerging Micro Computer arena, including all early Apple computers and the first IBM PC. I spent almost 10 years of this time as a senior engineer and then in house tech support for Unix systems from Convergent Technologies, Altos, MIPS Computer Systems and I specialised in Ethernet networking and TCP/IP systems for large customers like the Stock Exchange, Bupa Hospitals, 3i, Mathew Hall, Prudential, British Diabetic Association