Lawrence (Lance) Duncan IV

Lawrence (Lance) Duncan IV

Founder, Vesper

LinkedIn

Trust Score · The same metric every member is judged by

5.00/ 5.00
Attendance
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Hosted rooms
Intros delivered

At 17, I started LD4 Technologies at Sidwell Friends, teaching kids from underrepresented D.C. communities to assemble their own computers. Thirty kids learned. Five desktops went to the Jelleff Community Center. The same week, walking back through Sidwell’s multimillion-dollar athletic center, those desktops felt minuscule. The gap wasn’t just hardware. Wealth compounds through institutions, and institutions compound through networks.

Years later, working in Washington across entrepreneurial, asset management, and public policy spaces, the same shape kept appearing: being in the right room at the right time matters more than almost anything else. Founders, investors, and operators in my life keep telling me the same thing. The introductions that actually change trajectories, the co-founder, the lead investor, the advisor who picks up the phone, overwhelmingly trace back to a network someone already had.

“Being in the right room at the right time matters more than almost anything else.”

After graduating from Amherst College, I joined an asset management firm investing across public and private markets. Working inside that firm, where trust and long-term reputation are the operating currency, sharpened the pattern: the ecosystems that produce real value are built slowly, through repeated interaction. They’re aristocracies, and the aristocracy works, because the people inside it have been tested over time.

The testing is the part worth keeping. Every room shared, every commitment kept, every co-sign from someone the network already trusts adds to a ledger of who shows up and who delivers. That ledger is real. It just doesn’t exist in any structured form. It lives in individual memories and private introductions. It doesn’t travel beyond the circle where it was built, and it doesn’t compound the way it should. Vesper is the structure that makes it visible and portable.

No AI is going to tell you which company will IPO five years before it does, but what can exist is a platform that produces high-signal connections based on demonstrated reliability rather than inherited proximity. In an environment where attention is pulled in more directions than ever and flakiness is the quiet default, reliability becomes the most valuable thing you can be. That’s the gap Vesper closes.

“In an environment where flakiness is the quiet default, being someone people can count on becomes the most valuable thing you can be.”

So I taught myself to build the system that should exist. Full-stack engineering, AI architecture, geospatial infrastructure. The matching algorithm and reputation framework at its core are the subject of provisional patents filed with the USPTO.

Vesper is precision-built. It isn’t built for everyone. It’s for the people who define this corner of the economy: founders, investors, operators. The product has to earn daily attention, and it’s built to. This is the network that should exist.

I originally designed Vesper’s coordination and trust architecture for a consumer social product built around real-world plans and group formation. Building it surfaced the real primitive underneath: not nightlife or discovery, but portable reliability and high-intent coordination. In early May 2026, I redirected it to founder and investor networks, where that primitive matters most. Everything you can see here is two weeks of work.

— Lawrence (Lance) Duncan IV

May 12, 2026

Vesper profile screen

A Vesper profile, built around what someone has actually done, not who they happen to know.

Under the hood: what’s built

Architecture

  • • TypeScript monorepo (backend + web + shared package)
  • • PostgreSQL + pgvector for embeddings, PostGIS for geo
  • • Real-time chat via Socket.io
  • • Editorial dark-first React frontend

Cleo + Matching

  • • LLM-mediated conversation for the concierge
  • • Multi-axis ranking blending intent, behavior, and reputation
  • • Algorithm structure protected under provisional USPTO patents

Shipped

  • • Cleo (Plan + Explore)
  • • Rooms (small-group formation)
  • • Updates (build-log video feed)
  • • Trust Score (4-axis: attendance, ratings, hosted, intros)
  • • Map (public event discovery, Vesper-curated, organizer-hosted at full release)
  • • Demo Mode (interactive sandbox)

Built by

  • • Built solo in ~2.5 months.
  • • Full time in Asset Management.
  • • No engineering team.

Origin

  • • Feb 2026: Build begins. Original target was consumer social (real-world plans, group formation).
  • • Beginning of May 2026: Redirected to founder/investor ecosystems. Build of the current version begins.
  • • May 12, 2026: Site + interactive demo live at vesperfounders.com.