A marketing manager is responsible for planning, implementing, and managing marketing strategies to promote a company's products or services. They are responsible for a wide range of activities, including:

• Market research: Researching the market and competitors to identify potential markets and opportunities
• Campaign management: Designing, managing, and evaluating marketing campaigns, including social media, email, and advertising
• Budgeting: Managing budgets for marketing campaigns
• Collaboration: Collaborating with other departments, such as sales, product development, and advertising
• Reporting: Reporting on marketing metrics and using data to adapt strategies
• Pricing: Developing pricing strategies to maximize profits and market share
• Product development: Overseeing product development or monitoring trends for new products and services 

Marketing managers need a variety of skills, including:

Communication, Creativity, Decision-making, Leadership, Attention to detail, Business management, Customer service, and Computer skills. 

Some essential soft skills for marketing managers include collaboration, adaptability, empathy, active listening, and organization.