Motlatsi Mutlanyane will join Watson Wyatt as an investment consultant based in Reigate, England, early next month, said Paul Deane-Williams, senior investment consultant. Mr. Mutlanyane will focus on derivatives and other structured products as well as asset-liability modeling. The position is new. Mr. Mutlanyane was executive director of Legend Capital in South Africa, a firm he founded, said Mr. Deane-Williams. Officials at Legend Capital could not be reached by press time for comment.