The oath was administered by Hon. Sharon Mwayuli from the office of the Chief Registrar of the Judiciary and presided over by Court of Appeal Registrar Moses Serem.
The development coming after President Uhuru Kenyatta appointed her as a Data Commissioner for a period of six years.
Until her appointment, Kassait was the Independent Electoral and Boundaries Commission (IEBC) Director of Voter Registration and Election Operations.
As the Data Commissioner, she will be responsible for the enforcement of the Data Protection Act with duties such as exercising oversight on data processing operations, promoting self-regulation among data controllers, promoting international cooperation in data protection related issues, and conducting research on data processing development.