WSO2 was founded by
Sanjiva Weerawarana, Paul Fremantle, and Davanum Srinivas in August 2005, backed by
Intel Capital, Toba Capital, and Pacific Controls. Weerawarana was an
IBM researcher and a founder of the Web services platform. He led the creation of IBM SOAP4J, which later became Apache SOAP, and was the architect of other notable projects. Fremantle was one of the authors of IBM's Web Services Invocation Framework and the Web Services Gateway. An Apache member since the original Apache SOAP project, Fremantle oversaw the donation of WSIF and WSDL4J to Apache and led IBM's involvement in the Axis C/C++ project. Fremantle was WSO2's chief technology officer (CTO) from 2008-2020, and was named one of
InfoWorld's Top 25 CTOs his first year in the role. Currently, Fremantle serves as a consultant for multiple technology companies, including WSO2. while Weerawarana focused on the Ballerina open-source project. In 2019,
Vinny Smith became the Executive Chairman. Weerawarana returned to the role of CEO in 2020. In March 2015, WSO2.Telco was launched in partnership with Malaysian telecommunications company
Axiata, which held a majority stake in the venture. WSO2Mobile has since been re-absorbed into its parent company.
EQT AB's Asian private fund EQT Private Capital Asia acquired the company for over $600 million in May 2024. The acquisition was completed three months later. == Financial ==