The Domestic Advertising Placement Team Leader is responsible for the following: 1. Formulating advertising strategies for all company products on Tencent channels, ensuring the achievement of channel data and meeting the company's requirements for ROI and scale. 2. Overseeing the overall buying strategy for a single product across all channels, responsible for the overall scale and ROI of the product. 3. Analyzing the target audience, identifying product selling points, controlling the direction of creative materials, and ensuring effective promotion. 4. Thoroughly analyzing advertising data, monitoring the process indicators, identifying and resolving problems in a timely manner, and improving the overall advertising effectiveness. 5. Being familiar with products and media, paying attention to industry and market changes, promptly identifying potential opportunities, and formulating and implementing effective targeted optimization strategies.