Holding and venture studio
LPH98.ventures
The incorporated strategic umbrella for technology ventures, investments and long-term value creation.
Visit LPH98.ventures ↗
Open to new ventures
Entrepreneur · AI innovator · venture builder
Len P. van der Hof Building useful intelligence.
I build practical AI systems and digital ventures at the intersection of technology, rigorous reasoning and human performance — and I like working with people who want to build something that matters.
Replies personally · Read the insights →
The flagship field guide for AI-native founders
Build an AI venture that can actually operate.
AI Agents for Startup Strategy turns agents from impressive demos into a practical operating capability: designed, governed, and useful under real pressure.
Purchase via Amazon: Kindle · Paperback · Hardcover | English and Dutch
- 5 phases
- Scan, evaluate, navigate, simulate, execute
- Real pages
- Inspect the thinking before you buy
- 3 formats
- Kindle, paperback, and hardcover on Amazon
“Rigorous thinking is only worth it when it ships.”
About Len
Rigorous thinking. Practical execution.
Len P. van der Hof is a Dutch entrepreneur and AI specialist based in Zwijndrecht. His multidisciplinary education spans business, philosophy, law and economics at Erasmus University, including an MSc in Strategic Entrepreneurship from Rotterdam School of Management.
His work connects AI integrations and automation, digital growth, venture building and evidence-informed founder performance. The goal is consistent: turn complex ideas into systems that create measurable value.
- LPH98.venturesOwner and venture builder
- MindSeshFounder, advanced mental fitness
- ReasonKitCreator, open-source AI reasoning
- Erasmus UniversityBusiness, philosophy, law and economics
Selected portfolio
Ventures designed to compound value.
Products and infrastructure spanning AI reasoning, mental fitness and long-term venture creation.
Advanced mental fitness
MindSesh
Browser-based, neurobiologically grounded sessions for focus, NSDR, breathing and stress recovery.
Visit MindSesh ↗
Open-source AI reasoning
ReasonKit
A Rust-based reasoning engine for structured, auditable and verifiable AI workflows.
Visit ReasonKit ↗Now available
Books you can read today.
Operator-grade titles from Systems for the Strategic Self, live on Amazon in Kindle, paperback and hardcover — free to read on Kindle Unlimited.
Flagship · worldwide
AI Agents for Startup Strategy
How Founders and Operators Deploy Agentic AI to Move Faster and Think Smarter
Kindle · Paperback · Hardcover
The Agentic Codebase
The Five-Layer Architecture That Makes Agent Work Survive Production
Kindle · Paperback · Hardcover
The Psychology of Founder Resilience
How High-Stakes Leaders Stay Grounded, Clear, and Effective Under Pressure
Kindle · Paperback · Hardcover
The Agentic Author
The BooksOS Method for Writing Serious Nonfiction with AI Agents
Kindle · Paperback · Hardcover
The Multi-Agent Organization
How Humans and AI Agents Share Work Without Losing the Plot
Kindle · Paperback · Hardcover
The library
Systems for the Strategic Self.
An operator-grade book series on founder psychology, agentic AI systems and evidence-based decision-making — written to be used, not just read, and published in native English and Dutch editions.
- Designed titles
- 51
- Available now
- 5
- Full portfolio
- 133
- Languages
- EN · NL
Areas of practice
From intelligence to durable operations.
AI systems
- Agentic workflows and automation
- Structured reasoning and evaluation
- LLM integration and operating design
Search and growth
- SEO, GEO and answer-engine strategy
- Content architecture and structured data
- Conversion systems and automation
Venture building
- Go-to-market and product strategy
- Business development and positioning
- Founder systems and sustainable performance
Direct answers
Common questions.
Who is Len P. van der Hof?
Len is a Dutch entrepreneur and AI innovator, owner of LPH98.ventures, founder of MindSesh and creator of ReasonKit. He holds an MSc in Strategic Entrepreneurship from Rotterdam School of Management, Erasmus University.
What does Len work on?
His work focuses on practical AI systems, digital growth, SEO/GEO/AEO, venture building and evidence-informed founder performance.
What books has Len written?
Len writes the book series Systems for the Strategic Self: 51 designed titles on founder psychology, agentic AI systems and evidence-based decision-making, in English and Dutch. The first title, The Psychology of Founder Resilience, is available now — browse the full book library or the Nederlandse boekenbibliotheek.
Is Len available for collaboration?
Len is open to relevant collaborations, advisory work and ventures where rigorous technology can create measurable value.
Start a useful conversation
Let's build something that deserves to exist.
For collaboration, advisory and ventures involving AI, growth systems or strategic execution. Tell me what you're working on — I read and reply to every message personally.