Create a detailed description for a buyer persona named John that is 40, lives in the US, and works as an agency owner.

John is a 40-year-old agency owner living in the United States. He has been running his business for several years and has built up a successful reputation in his industry. John is highly motivated and driven to succeed, always looking for new opportunities to grow his business. As an agency owner, John values quality over quantity and is always on the lookout for innovative solutions that can help his clients achieve their goals. His clients are typically mid-sized businesses that require a more personalized approach to marketing and advertising. In his personal life, John enjoys spending time with his family and friends. He has two children and a loving wife who support him in his professional endeavors. John is also an avid reader and enjoys staying up-to-date with the latest trends and developments in his industry. When it comes to making purchasing decisions, John is highly analytical and does extensive research before committing to any product or service. He is willing to invest in high-quality products that can help him achieve his business goals, but he is also mindful of his budget and looks for cost-effective solutions. Overall, John is a highly motivated, detail-oriented individual who values quality and innovation. As an agency owner, he is always on the lookout for new solutions that can help him serve his clients better while growing his business.