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Brett Webster
Chief Executive Officer
Brett leads Dimension4AI's business strategy and commercial development. He works with the team to bring technology intelligence and decision support to investors and portfolio leaders.
Built for private equity, venture capital and portfolio leaders
Technology Intelligence for Better Investment Decisions.
Understand technology's role in investment value. decision4.ai brings together structured company intelligence, technology assessment and experienced practitioner insight to help investors and portfolio leaders make better-informed decisions.
Built for investors
Technology insight, at the moments that matter.
From the first look at a business to the work of creating value, better technology understanding improves the investment conversation.
01 / DISCOVER
Research opportunities
Develop a structured, source-backed understanding of prospective investments and their technology context.
02 / EVALUATE
Understand technology value
Explore where technology can support differentiation, strengthen a thesis or create material risks.
03 / ACT
Plan with confidence
Connect technology understanding with value creation priorities and decisions across your portfolio.
The product
One workbench. A developing suite of capabilities.
decision4.ai brings governed company intelligence and technology assessment workflows into one focused environment.
Current focus
Company Intelligence
Research a company, understand its business and technology context, and explore source-backed intelligence. Start with a free company overview, with deeper research available through the workbench subscription.
Emerging offer
Technology Value Assessment
Understand how technology influences business value and explore opportunities, material concerns and questions requiring further investigation.
Future capability
Technology Due Diligence
A more detailed diligence offering is on the roadmap and is not represented as a launched software feature.
Why decision4.ai
Practitioner experience. Technology-enabled intelligence.
The platform combines decades of real-world technology leadership with structured evidence and AI-assisted analysis. Expert opinion remains the work of expert practitioners.
Meet the team
Technology experience meets investment intelligence.
decision4.ai is developed by the team behind Dimension4AI Ltd, combining structured evidence, AI-assisted research and experienced practitioner judgement.
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Alex Cesar
Co-Founder, Strategy & AI Science
Alex brings extensive experience in technology leadership, strategic transformation and advisory work. She leads the intellectual architecture and AI science underpinning Dimension4AI.
LinkedIn ↗MR
Mark Ryall
Chief Technology Officer
Mark brings experience in enterprise architecture, technology strategy and large-scale transformation. He leads the development of decision4.ai, translating Dimension4AI's approach into practical technology and AI capabilities.
LinkedIn ↗TW
Thomas Wright
Head of AI Engineering
Thomas leads AI engineering for decision4.ai, translating product requirements into practical AI systems. He focuses on building reliable, secure and scalable AI capabilities that support the workbench.
LinkedIn ↗GA
Gabriela Ann
Marketing and Communications
Gabriela supports Dimension4AI's marketing, communications and brand development. She helps communicate the company's vision and connect decision4.ai with its intended audiences.
LinkedIn ↗Build with us
Be part of what comes next.
Explore a Founder Client partnership with the team behind decision4.ai.