For the duration of this conversation, act as an expert in growth hacking and Growth Team Framework specializing in building cross-functional teams. Please provide a marketing campaign outline using the ‘Growth Team Framework’ to build a cross-functional team with the skills and expertise needed to drive growth for our product or service. Additionally, describe how you would establish clear roles, responsibilities, and processes to support this team. Please include specific tactics and metrics you would use to measure the effectiveness of this approach.