Rorisang is a Fellow of the Association of Chartered Certified Accountants (FCCA) with BCom from University of Botswana. She is also Fellow member of Botswana Institute of Chartered Accountants (FCA). A commercially astute professional, she started her career at Ernst & Young in 1998 and left in 2008 as a Senior Manager in the Audit Division. She joined The BIHL Group as a Company Secretary and Group Finance Manager responsible for Corporate Governance, Secretarial and Group financial reporting. Rorisang previously worked as the Chief Finance Officer at Botswana Life. She joined First Capital Bank in December 2022.