
Perry Marshall (Author)
Perry Marshall is an entrepreneur, author, and marketing expert known for his work in online advertising and business strategy. He gained prominence for his insights on Google AdWords and has written several books, including "80/20 Sales and Marketing," which explores how the 80/20 principle—where 80% of results come from 20% of efforts—can be applied to improve sales and business efficiency. Marshall is also recognized for incorporating scientific principles into marketing, making complex concepts accessible to business owners and marketers looking to enhance their strategies and achieve better outcomes.