Phil Burton
Phil Burton is the author of "42 Rules of Product Marketing." While specific details about the author are not provided in the given information, it can be inferred that Burton has expertise in product marketing.
As the writer of a book offering rules and insights into this field, he likely possesses significant experience and knowledge in marketing strategies, product development, and business practices.
Burton's approach of presenting information in a structured, rule-based format suggests a practical and accessible writing style, aimed at providing clear guidance to readers interested in product marketing techniques and principles.