Petrus is employed by Roads Authority as Senior Practitioner:Remuneration and Job Analysis. He has previously worked at First National Bank Namibia and Standard Bank Namibia as a Remuneration Specialist and more recently at Pricewaterhousecoopers as a Reward Consulting Manager.
He is a holder of a Bachelor of Science degree in Mathematics and Statistics as well as a Certificate in Human Resources Management. He has also completed a professional course in Global Remuneration. He is currently studying towards a Postgraduate Diploma in Business Administartion at the University of Namibia.