A product manager plays a vital role in technology development by overseeing the entire product lifecycle, from concept to launch. They act as the bridge between various teams, including engineering, design, and marketing, ensuring that the product vision is aligned with market needs and company goals. Product managers are responsible for defining requirements, prioritizing features, and guiding teams toward effective solutions. Their ability to articulate the product's value proposition and advocate for stakeholders is crucial for successful product delivery and adoption in the market.