The Estonian Business School Mafia
6 people studied at Estonian Business School and went on to found or lead other companies.
Frequently asked questions
- What is the Estonian Business School mafia?
- The Estonian Business School mafia is the network of 6 people who studied at Estonian Business School and went on to found or lead other companies, including Upgraded, Trind Ventures, Escape, Ridango, Pipedrive.
- Who is in the Estonian Business School mafia?
- Notable members include Hendrik Roosna (Upgraded), Ivar Siimar (Trind Ventures), Rait Ojasaar (Escape), Pille Ting (Ridango), Ragnar Sass (Pipedrive), Herty Tammo (Ridango).
- What companies did Estonian Business School alumni found?
- Companies founded by Estonian Business School alumni include Upgraded, Trind Ventures, Escape, Ridango, Pipedrive.



