PfMP trainer

My goal is to find an experienced trainer who can help us (3 candidates)prepare for the PfMP exam. I have some knowledge in Portfolio Management but feel like I need additional guidance in order to pass the exam. Therefore, I am in search of online training that will give me the knowledge and resources to pass, as well as the confidence to do well on the exam. The trainer should be an expert on Portfolio Management and the PfMP exam specifically, and have the experience and ability to provide thorough and comprehensive instruction to ensure success.