Co-founders are individuals who collaborate to establish a new business or organization. They share responsibilities, resources, and decision-making, often bringing different skills and expertise to the venture. This partnership is crucial for the startup's success, as co-founders work together to develop ideas, create a business plan, and secure funding. In many cases, co-founders have a shared vision for the company, which helps guide its direction. They may also divide roles based on their strengths, such as one focusing on marketing while another handles finance. This teamwork can lead to innovative solutions and a stronger foundation for the business.