A marketing coordinator's job is to support a company's marketing efforts by planning, implementing, and tracking marketing campaigns. They also analyze market trends, customer behavior, and competitor activities to improve marketing strategies. 

Here are some responsibilities of a marketing coordinator: 

• Research
• Conduct market research to understand customer preferences, buying habits, and product trends. Also analyze the competitive landscape to understand what other brands are doing. 
• Campaign planning
• Plan, design, implement, and track marketing campaigns to increase brand visibility. 
• Marketing materials
• Create and maintain an inventory of marketing materials, including social media posts, blog posts, and print materials. 
• Sales data
• Collect and analyze sales data, and prepare sales reports and forecasts. 
• Communication
• Communicate campaign deliverables, objectives, and timelines to the marketing team. Also communicate with clients and sales teams about marketing campaigns and brand voice. 
• Events
• Plan and manage marketing efforts for events such as trade shows, conferences, and meetings. 
• Vendor management
• Manage and coordinate tasks outsourced to external vendors, such as printing companies. 

Some skills that are useful for a marketing coordinator include: 

• Experience with copywriting and different styles of writing 
• Knowledge of social media and other digital media formats 
• Research, analysis, and SEO techniques 
• Excellent communications skills 
• Exceptional problem-solving abilities 
• Proficiency in MS Office and other marketing applications