Wilmari graduated in 2008 with a BCom Degree, and in 2010 with a LLB Degree (cum laude) from the University of Pretoria.

Wilmari served her articles at Barnard and Patel Inc under the supervision of Danie Barnard. After being admitted, Wilmari continued with Barnard and Patel Inc as an associate attending to General Litigation matters. She specifically has experience in Correspondent Litigation, Drafting of Contracts, Family Law matters, Commercial matters and Insolvency Law.