Dean Ray Greasley


Dean and Faculty


The Professional Programs of The Global Business SchoolTM offer an opportunity to invest in your career for a prosperous and rewarding future. We can assist you in taking control of your professional life through the power of increased knowledge and rapidly gained experience. Once you have gained such control you will find the quality of your personal life will significantly improve as well. We are pleased to offer you a truly superior learning experience.

The current senior faculty of the WITS Global Business School are:


  • Professor Leon Duval, MBus (Accounting), CA, CMA
  • Professor Babu Abraham Nainan, BSc, LLB, MCom, RCA, CMA 
  • Professor Michael Vincent, BA, MCom, CPRM, CMA
  • Professor Simon K. Mpeho M.Sc, BA (Accounting) (Hons), ACFE, CMA, FCMA
  • Professor Kisokau Posangat Powaseu, LLB, LLM
  • Professor Thaddeus Kambanei BA, MProfAcc, CMA, FCMA
  • Professor Edward Deva Corea, GDipAcc, MBus (Acc), FCMA


I invite you to peruse our web-pages to get a more in-depth understanding of our philosophy and our programs.


Professor Ray Greasley, Dean


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