The changes to TMC's senior professional/senior management employees include the establishment of the post of Chief Project Leader (CPL). Transcending their customary domains, CPLs are to serve as project leaders from a company-wide perspective.

Consider the extract above. Chief project leaders at times have to negotiate as part of their role

As a business advisor, suggest the ways and means through which TMC's project leaders may achieve effective negotiation.

You are required to conduct your own online desktop research in order to substantiate your answer.