About

Built by the people who lived the last shift

WebSync operates from Tallinn, London, and Dubai. Our leadership watched advertising's first manual-to-AI transition happen inside the largest platforms. Now we are building the same shift across all of them.

Slava Jefremov

Founder and CEO

  • 01
    Google. Drove return on marketing investment for Google's largest enterprise advertisers.
  • 02
    Ad network founder. Co-founded and scaled an ad network to 6B+ monthly ad impressions.
  • 03
    Global exchange. Headed growth at a top-3 global digital asset exchange, scaling it from regional origins to #2 worldwide.

WebSync operates from Tallinn, London, and Dubai. See open roles