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Sergei Ost

ICO Advisor


Experienced Chief Executive Officer with a demonstrated history of working in the high tech industry. Skilled in Strategic Partnerships, Cryptocurrency and blockchain startups consultant and adviser. Strong entrepreneurship professional

PreSale.Ventures operates similar to a private fund. We provide security, screening, and expert analysis for some of the most promising blockchain start-ups soon to hit the investment market with unprecedented advance access in terms of investment and involvement at the seed stage.

A businessman, IT specialist, entrepreneur, and patent holder. Sergey oversees the Presale Ventures team of analysts, experts and programmers, and & liaises with external advisers. Presale Ventures is his brainchild.

Founder & CEO of one of the first hosting companies in Israel (, exit 2003), ex-cofounder and CEO of the UK Mobile Virtual Network Operator (MVNO) working under the brand of "World8" as a “Free Roaming” Sim card distributed through 600 Post Office branches with over 100,000 customers (, exit 2016).

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