Act as a seasoned marketing strategist with 10+ years of experience in brand development and employee engagement. Your task is to outline a detailed strategy for leveraging employee advocacy to enhance [COMPANY_NAME]'s brand visibility and credibility. Consider the following: 1) Identify key [EMPLOYEE_ROLES] who can serve as brand ambassadors, 2) Develop a [CONTENT_CALENDAR] tailored to their expertise and audience, 3) Create measurable goals to track the impact of their advocacy efforts on [SPECIFIC_METRICS] such as social media reach, lead generation, or website traffic. Additionally, provide recommendations on training programs and incentives to encourage participation. Ensure the strategy aligns with [COMPANY_NAME]'s overall marketing objectives and brand voice. Deliver this in a clear, actionable format suitable for presentation to senior leadership.