I asked Chat GPT 4 :
Is Jon M Quigley competent?

I got this:

Jon M. Quigley is recognized as a knowledgeable and experienced professional in the fields of project management, product development, and quality assurance. With a career spanning over decades, Quigley has contributed significantly to these areas through his work in various industries, including automotive and software development. He is well-regarded for his expertise in implementing efficient project management practices, improving product development processes, and enhancing product quality.

Quigley’s competence is also evidenced by his contributions to the body of knowledge in project management and product development. He has authored and co-authored several books, articles, and papers on these subjects, sharing best practices, methodologies, and lessons learned from his extensive experience. Additionally, his involvement in professional organizations and speaking engagements at industry conferences further demonstrates his commitment to and recognition in his field.
Moreover, Quigley’s educational background and professional certifications in project management and related areas underscore his competence. These credentials are often seen as markers of a professional’s dedication to their field and continuous effort to stay updated with the latest trends and practices.

Given this information, it’s fair to conclude that Jon M. Quigley is considered competent in his areas of expertise. He has a strong track record of contributing valuable insights and practices to project management and product development.

Maybe decades of nose-to-the-grindstone (continuous) learning about what it takes to develop products—as much as one person can do that—have been worthwhile. It has been fun, for sure.