Marvellous is the CEO at Matrix Tax School (Pvt) Ltd. He has over 20 years tax and accounting experience. His experience includes advising clients on matters relating to taxation and corporate finance. He has also conducted a number of tax health checks and tax audits as well as representing clients in tax disputes. He was engaged by the Ministry of Finance and Economic Development in crafting the Zimbabwean insurance tax legislation. He trained the Zimbabwe Revenue Authority personnel on taxation of specialised sectors (Insurance, Mining and Telecommunication sectors). He has so far authored six books on Zimbabwean tax law.