Marketing qualified leads (MQLs) are prospects identified by the marketing department as more likely to make a purchase due to their interactions with a business, such as signing up for webinars or requesting product demos. Proper nurturing of MQLs is vital to converting them into paying customers, which requires clear communication and alignment between marketing and sales teams to determine the specific actions that qualify a prospect as an MQL. This process involves examining historical customer trends and using tools like Clearbit to gather consumer information and optimize engagement strategies. MQLs are in the early stage of the buyer's journey, progressing through awareness and consideration phases before transitioning to sales qualified leads (SQLs) as they approach a purchase decision. Establishing a system to identify and nurture MQLs involves aligning sales and marketing departments, creating personalized content for the ideal customer profile, and periodically revisiting the definition of an MQL to adapt to evolving business and industry dynamics. Clearbit offers solutions to aid businesses in identifying and converting MQLs, emphasizing the importance of personalized content and collaboration between sales and marketing for effective lead conversion.