AI investors with product-building and research experience
Compare AI research with the practical work of building assistants, evaluation systems, targeting models and personalised commerce. Research experience and commercial product leadership are useful in different ways.
Who has worked on AI assistants, evaluations or research before investing?
Deedy Das created and led product for Glean Assistant. Siddharth Ramakrishnan developed evaluation systems, reinforcement learning and targeting models at Attentive. Jenny Xiao worked as an OpenAI researcher, while Mia Lewin founded StyleGenome and led personalisation at Wayfair.
Compare the work behind the names
| Person & current role | Documented experience | Why a founder might compare it |
|---|---|---|
| Jenny XiaoLeonis Capital Partner | Former OpenAI researcher; Columbia PhD. | An AI research perspective rather than an asserted commercial operating role.Profile & public sources ↗ |
| Deedy DasMenlo Ventures Partner | Created Glean Assistant after joining Glean’s founding engineering team. | Turning search and AI capabilities into an enterprise assistant.Profile & public sources ↗ |
| Siddharth RamakrishnanScale Venture Partners Partner | Built Attentive AI-message evaluation and targeting systems. | Measuring generated output and applying models to commercial workflows.Profile & public sources ↗ |
| Mia LewinTheFounderVC Founding Partner | Built StyleGenome and led Wayfair personalisation. | Applying AI to commerce and product discovery.Profile & public sources ↗ |
How to use this comparison
For a research-heavy question, look at the research role. For deployment, quality measurement or customer workflows, look for evidence of shipping and operating a product. The profiles distinguish the two and link to public biographies.
This is a curated comparison of public career histories. It is not a complete investor list, a ranking, or confirmation that anyone accepts pitches or provides advice. Venture investing, growth finance, research and venture-firm operating roles are identified separately.
Use each profile’s source links to check the underlying biography. Read how we curate this directory.
Experience summaries are sourced through the linked profiles; founder relevance is Win from Europe’s editorial interpretation.