Imagine your story commanding the attention of millions—a book that doesn’t just share your expertise, but amplifies your legacy as a leader, innovator, or visionary. I’m Jeffrey Allen Mangus, a 10-year veteran ghostwriter with over 40 books to my name, including eight #1 bestsellers and five #1 international bestsellers across five countries. As the proud founder of Mangus Media Group, I’ve built a world-class team to transform your ideas into a powerful, professionally published book that drives impact and elevates your brand.
"I've had the pleasure of working with Jeffrey, and he's been exceptional as a true professional with extensive knowledg and experience. He consistently demonstrates great listening skills and genuinely understands client needs. His ability to deliver timely, high-quality results while maintaining a respectful, collaborative approach makes him a joy to work with
President, United Inventors Association, Board Member USIPA, FLIPA, IFIA, Entrepreneur, Author, Inventor, Podcaster & Product Investor....President, United Inventors Association, Board Member USIPA, FLIPA, IFIA, Entrepreneur, Author, Inventor, Podcaster & Product Investor....February 14, 2025, Jeffrey Allen was Carmine’s client
“Jeff is one of the best and brightest people we work with here at the UIA, he has unmatched listening skills that transcends into his ability to put your words and story on paper as a Ghost writer. If you are looking to put your Book idea into print, even if you think you can write it yourself I urge you to think again and have an expert like Jeffrey put your words on to paper. I have not met anyone who can turn a life story into an exciting must read book. We love working with him! Jeff is one of the best and brightest people we work with here at the UIA, he has unmatched listening skills that transcends into his ability to put your words and story on paper as a Ghost writer. If you are looking to put your Book idea into print, even if you think you can write it yourself I urge you to think again and have an expert like Jeffrey put your words on to paper. I have not met anyone who can turn a life story into an exciting must read book. We love working with him!”
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Aspire Open Innovation ⚡️MarketBlast ⚡️ Author of Inventor Confidential ⚡️ Patent Pro Bono Advisory CouncilAspire Open Innovation ⚡️MarketBlast ⚡️ Author of Inventor Confidential ⚡️ Patent Pro Bono Advisory Council. September 25, 2024, Warren worked with Jeffrey Allen on the same team.
“I'm a big fan of Jeff's. Without his support, first convincing me to write Inventor Confidential and then supplying his companionship (both personally and professionally) every step of the way until it was published, I never would have gotten started. For me, the book is a reflection of what I believe to be core tenets in the American grassroots innovation space. It's been invaluable to share these tenants with so many an a way that is understandable and can be reread whenever inventors need to get back on track. Thank you Jeff!
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Executive Assistant at MadeInUSA.com and MadeInAmerica.com. Executive Assistant at MadeInUSA.com and MadeInAmerica.comAugust 12, 2021, Debbie was Jeffrey Allen’s client. August 12, 2021, Debbie was Jeffrey Allen’s client
“We engaged with Jeffrey's services on a couple of different projects, and whole heartedly recommend him to anyone with a book to write, and needs the help doing so. Jeffrey has a wealth of knowledge from writing, to publishing to marketing the finished product. His professionalism, communication, execution of ideas and timely deliveries provided an exciting and tranquil experience. Give me a call, or send him an email if you are looking for that special person to help you. Jeffrey is your guy.We engaged with Jeffrey's services on a couple of different projects, and whole heartedly recommend him to anyone with a book to write, and needs the help doing so. Jeffrey has a wealth of knowledge from writing, to publishing to marketing the finished product. His professionalism, communication, execution of ideas and timely deliveries provided an exciting and tranquil experience. Give me a call, or send him an email if you are looking for that special person to help you. Jeffrey is your guy.”
Chairman, Dermatology and Plastic Surgery Institute at Cleveland Clinic Health System Chairman, Dermatology and Plastic Surgery Institute at Cleveland Clinic Health System. September 25, 2024, Frank A. was Jeffrey Allen’s client
Anesthesiologist ,Intensivist, AI researcher, Innovator, Quality Professional, Educator, Author, at the Cleveland Clinic with more than 20 year clinical experience.All views and opinions expressed are mine.Anesthesiologist,Intensivist, AI researcher, Innovator, Quality Professional, Educator, Author, at the Cleveland Clinic with more than 20 year clinical experience.All views and opinions expressed are mine. September 21, 2024, Piyush was Jeffrey Allen’s client
“Working on the book on strategies for AI in healthcare with Jeffrey Mangus was a great experience. His clinical background, curiousity for AI and expertise made writing the book a great experience.Working on the book on strategies for AI in healthcare with Jeffrey Mangus was a great experience. His clinical background, curiousity for AI and expertise made writing the book a great experience.”
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Scott Lackey-VP Sales & Marketing at Blickle U.S.A Wheels and Casters Inc.VP Sales & Marketing at Blickle U.S.A Wheels and Casters Inc. September 26, 2024, Scott was Jeffrey Allen’s client
“When you work with Jeffrey not only are you guaranteed his authenticity, but you are also going to get his enthusiasm, vision and amazing experience behind your project. Jeffrey fits the business description "Best in Class", and I am thankful to know him and work with him.When you work with Jeffrey not only are you guaranteed his authenticity, but you are also going to get his enthusiasm, vision and amazing experience behind your project. Jeffrey fits the business description "Best in Class", and I am thankful to know him and work with him.”
· 1stFirst degree connection
Quantitative Finance | Full Stack Developer | Previously Multi Channel MarketingQuantitative Finance | Full Stack Developer | Previously Multi Channel MarketingApril 10, 2018, Drake was Jeffrey Allen’s clientApril 10, 2018, Drake was Jeffrey Allen’s client
“Jeffrey A Mangus wrote two articles for my companies and did an outstanding job! I highly recommend his services. He is a high-quality writer and delivered them faster than expected. All around a fantastic service!!”
Don Buckner- "Jeff helped me write two books, both of which went bestseller and I'd never use another ghostwriter. Jeffrey, simply is the best!
I found Jeff. Few years aho and his knowledge and expertise was the true catalyst on making my book the best it could be. He worked diligently to make that happen. I'm forever grateful.
Crafting your unique story and expertise into a powerful, engaging narrative.
Refining your manuscript to the highest standard with our dedicated editorial team.
Developing compelling proposals that capture the attention of top publishing houses.
Navigating the complexities of traditional and self-publishing to find the perfect path for your book.
Designing and executing a tailored launch plan to ensure your book makes a significant impact from day one.
Securing media attention and press coverage to elevate your author platform and amplify your message.
Most attempts to write a book fail before they start. Business leaders get trapped in a chaotic process: hiring a freelance writer, then a separate editor, then a designer, hoping they all understand a vision they weren’t there to create.
This fragmented approach risks your time, your investment, and the quality of your final book. The result is often a disjointed product that fails to capture your voice or achieve your goals.
The Mangus Media Ghostwriting Group: Solution: Our Elite Team
We do things differently. Think of us as the master architect and general contractor for your book. Our entire team—from the New York Times bestselling writer to the editor, designer, and publishing strategist—works together under one roof and from a single blueprint.
Your vision remains pure. The process is seamless. The result is exceptional.
A Book is More Than a Book. It’s a Strategic Authority Asset.
For our clients, the true return on investment isn’t found in book sales. It’s in the doors your book opens and the platform it builds.

A book is the ultimate proof of expertise. It ends the debate, solidifying you as the leading voice in your field.

It codifies your wisdom, experience, and vision into a tangible asset that will inform and inspire for years to come

A professional book is your key to premier speaking engagements, media appearances, board seats, and high-level consulting.

Connect with thousands, scale your message, and build a tribe around your ideas far beyond your personal reach.
If you are ready to transform your expertise into your most powerful professional asset, the next step is a simple conversation. Let's discuss your vision and see if we are the right partner to help you achieve it.