James Sinclair (author)
James Sinclair is a British-American startup consultant and author. He is best known for his 2025 book, Starting a StartUp: Build Something People Want, which outlines a tactical framework for early-stage founders navigating the idea-to-execution phase. He has been recognized for his influence on startup execution strategy through widely circulated frameworks and a newsletter followed by over 140,000 founders. Sinclair is the creator of the "Earn the Right" framework and founder of StartUp To ScaleUp, a consultancy focused on pre-seed to Series A founders.
Career
Sinclair is a 3x exited founder who has worked with hundreds of venture-backed companies, accelerators, and enterprise innovation teams. He was also the founding editor of the Wall Street Journal's StartUp Series,[1] where he wrote about early-stage decision-making and founder behavior.
He previously co-founded Bleem! and EnterpriseAlumni, both of which have been recognized for innovation in their respective categories.
In 2014, Sinclair co-founded EnterpriseAlumni, a corporate engagement platform. The launch was covered by global media, noting its innovative enterprise focus.[2] In 2015, his work with SAP and SuccessFactors integrations was further referenced in enterprise tech coverage.[3]
He later founded StartUp To ScaleUp, where he provides coaching, startup frameworks, and a widely read founder newsletter with over 140,000 subscribers. His digital frameworks have been downloaded more than 1 million times,[4] and have been used in founder communities, startup accelerators, and corporate innovation programs. Sinclair's work spans individual founders, venture-backed companies, and public-sector innovation teams, where he contributes to the development and execution of startup frameworks designed to drive measurable outcomes.[5]
Book
In 2025, Sinclair published Starting a StartUp: Build Something People Want. The book is available through major retailers including Amazon[6] and Barnes & Noble, and has been referenced in startup education content and founder communities.[7]
External links
References
- ↑ "Replacing Gungho with Good Sense". The Wall Street Journal. 2013-12-23. Retrieved 2024-07-21.
- ↑ "Emma Sinclair and brother James launch EnterpriseJungle networking start-up". Startups.co.uk. 2014-06-25.
- ↑ "Extending SuccessFactors on the HANA Cloud Platform". Diginomica. 2015-09-02.
- ↑ "Startup Frameworks – StartUp To ScaleUp". StartUpToScaleUp.com.
- ↑ "Startup Frameworks – StartUp To ScaleUp". StartUpToScaleUp.com.
- ↑ Sinclair, James. Starting a StartUp on Amazon. Page Two Books, Incorporated. ISBN 1774586398. Search this book on
- ↑ "Official Book Page". StartUpToScaleUp.com.
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