Vancouver-based Yellowhead Mining has retained Cliveden of Zug, Switzerland as marketing advisor for its Harper Creek copper concentrates project in British Columbia. "We are very pleased to welcome Cliveden AG and its managing director Mark Forsyth to our management team," said Yellowhead CEO Ian Smith. "Mark brings a wealth of experience and will play a very important role as we fast track our Harper Creek Project through detailed feasibility, permitting, engineering, financing, construction and production."