diff --git a/apps/website/next-env.d.ts b/apps/website/next-env.d.ts
index fdbfe5258..c4b7818fb 100644
--- a/apps/website/next-env.d.ts
+++ b/apps/website/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./../../dist/apps/website/.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/apps/website/src/app/about/page.spec.tsx b/apps/website/src/app/about/page.spec.tsx
index ffa3d47ed..6e4b41964 100644
--- a/apps/website/src/app/about/page.spec.tsx
+++ b/apps/website/src/app/about/page.spec.tsx
@@ -5,6 +5,7 @@ import { describe, expect, it, vi } from 'vitest';
 import { render, screen } from '@testing-library/react';
 import AboutPage from './page';
 import { getAuthor } from '../../lib/blog-authors';
+import { ABOUT_PARAGRAPHS } from '../../lib/about-content';
 
 vi.mock('../../components/ui/Container', () => ({
   Container: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
@@ -24,17 +25,36 @@ const author = getAuthor('brian');
  * claims back to the author record rather than restating the layout.
  */
 describe('AboutPage', () => {
-  it('renders the bio verbatim from the author record', () => {
+  it('renders each sourced paragraph verbatim', () => {
     render(<AboutPage />);
-    // Not a substring match: any editorial embellishment around the sourced
-    // sentence would still be a claim nothing in the repo supports.
-    expect(screen.getByText(author.bio as string).textContent).toBe(author.bio);
+    // Not substring matches: editorial embellishment around a sourced sentence
+    // would still be a claim nothing citable supports.
+    for (const paragraph of ABOUT_PARAGRAPHS) {
+      expect(screen.getByText(paragraph).textContent).toBe(paragraph);
+    }
   });
 
-  it('states the name and role the author record gives, and no other', () => {
+  it('adds no biographical prose beyond the sourced paragraphs', () => {
+    // The real guard. Every claim on this page has to trace to about-content.ts,
+    // whose provenance comment names the source; a paragraph appearing here that
+    // is not in that module is exactly the fabrication this page must not carry.
+    const { container } = render(<AboutPage />);
+    const sourced = new Set<string>(ABOUT_PARAGRAPHS);
+
+    const biography = container.querySelectorAll('section')[0];
+    const paragraphs = Array.from(biography.querySelectorAll('p'))
+      .map((node) => node.textContent ?? '')
+      .filter((text) => text.split(' ').length > 12);
+
+    expect(paragraphs.length).toBe(ABOUT_PARAGRAPHS.length);
+    for (const text of paragraphs) {
+      expect(sourced.has(text), text).toBe(true);
+    }
+  });
+
+  it('names the author the record gives', () => {
     render(<AboutPage />);
-    expect(screen.getByText(`Threadplane is written and maintained by ${author.name}, ${author.role}.`))
-      .toBeTruthy();
+    expect(screen.getByText(ABOUT_PARAGRAPHS[0]).textContent).toContain(author.name);
   });
 
   it('links the GitHub profile the record names', () => {
diff --git a/apps/website/src/app/about/page.tsx b/apps/website/src/app/about/page.tsx
index 696662841..0f63937a9 100644
--- a/apps/website/src/app/about/page.tsx
+++ b/apps/website/src/app/about/page.tsx
@@ -9,6 +9,13 @@ import { aboutPageJsonLd, REPOSITORY_URL } from '../../lib/structured-data';
 import { getAuthor } from '../../lib/blog-authors';
 import { createPageMetadata } from '../../lib/site-metadata';
 import { LONG_SUBHEAD } from '../../lib/positioning';
+import {
+  ABOUT_HISTORY,
+  ABOUT_HISTORY_HEADING,
+  ABOUT_INTRO,
+  ABOUT_PERSONAL,
+  ABOUT_PRINCIPLES,
+} from '../../lib/about-content';
 
 /**
  * The single author record the site already publishes (blog bylines read the
@@ -68,10 +75,18 @@ export default function AboutPage() {
             >
               Who writes Threadplane
             </h1>
-            <p style={bodyStyle}>
-              Threadplane is written and maintained by {author.name}, {author.role}.
-            </p>
-            <p style={bodyStyle}>{author.bio}</p>
+            <p style={bodyStyle}>{ABOUT_INTRO}</p>
+
+            <h2 style={{ ...headingStyle, marginTop: 32 }}>{ABOUT_HISTORY_HEADING}</h2>
+            {ABOUT_HISTORY.map((paragraph) => (
+              <p key={paragraph} style={bodyStyle}>
+                {paragraph}
+              </p>
+            ))}
+
+            <p style={bodyStyle}>{ABOUT_PRINCIPLES}</p>
+            <p style={bodyStyle}>{ABOUT_PERSONAL}</p>
+
             <p style={{ ...bodyStyle, marginBottom: 0 }}>
               <a
                 href={`https://github.com/${author.github}`}
diff --git a/apps/website/src/lib/about-content.ts b/apps/website/src/lib/about-content.ts
new file mode 100644
index 000000000..608494ec9
--- /dev/null
+++ b/apps/website/src/lib/about-content.ts
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: MIT
+/**
+ * The first-person prose rendered on /about.
+ *
+ * PROVENANCE: every biographical claim below is sourced from Brian Love's own
+ * published writing at https://brianflove.com/about-me/ (retrieved 2026-08-24).
+ * `PRINCIPLES` and `PERSONAL` are verbatim from that page; the rest is the same
+ * material condensed, with no detail added.
+ *
+ * This page is what search engines read as an authorship and expertise signal,
+ * which makes anything invented here both durable and machine-readable. Adding
+ * a claim requires a citable source, not an inference — no years of experience,
+ * employers, talks, awards, education, or clients that are not already public.
+ *
+ * The prose lives here rather than inline in the route so the spec can assert
+ * that the page renders exactly these paragraphs and no others.
+ */
+
+export const ABOUT_INTRO =
+  "I'm Brian Love, an agentic software architect building developer tooling for fullstack AI-powered web applications. Threadplane is the framework I build and maintain for agent UI in Angular: durable threads, interrupts, subagents, planning, memory, and generative UI.";
+
+export const ABOUT_HISTORY_HEADING = 'How I got here';
+
+export const ABOUT_HISTORY: readonly string[] = [
+  'I started as an intern and then a web developer at Hamilton College, and became CTO of Webucator, an enterprise training company. I have worked remotely since 2010. In 2019 I founded LiveLoveApp to build an engineering culture around excellence and health — high standards and a sustainable pace at the same time.',
+  'In 2022 Mike Ryan joined LiveLoveApp and we built Polaris, an AI-powered site reliability platform that detected outages and incidents in web applications in real time on a 7KB SDK. Polaris won a $25,000 early-stage investment from Portland Seed Fund at the 2023 Bend Venture Conference.',
+  'I started building on the ChatGPT APIs when GPT-3.5 launched. From there I focused on integrating AI into web applications for financial firms — surfacing model output in complex UIs, handling sensitive structured data, and augmenting decisions rather than replacing them. I built RAG pipelines on Azure AI Search, indexing enterprise content from SharePoint into vector stores. That work taught me how retrieval actually behaves in production: the chunking tradeoffs, the reranking strategies, and how to keep answers grounded when the stakes are high.',
+  'In 2025 Mike and I co-created Hashbrown, a framework for building fullstack agentic web applications with LLMs.',
+] as const;
+
+/** Verbatim from https://brianflove.com/about-me/. */
+export const ABOUT_PRINCIPLES =
+  'Most of my work lives where product strategy, frontend architecture, developer experience, and AI interaction design overlap. I care about software that is useful in production, understandable to the team, and honest about the tradeoffs.';
+
+/** Verbatim from https://brianflove.com/about-me/, less the sentence naming the city. */
+export const ABOUT_PERSONAL =
+  'I live in Bend, Oregon with my wife Bonnie and our daughter Evelyn. I am a Christian, and that shapes how I think about ambition, responsibility, and the kind of work worth doing.';
+
+/** Every paragraph the biography section renders, in order. */
+export const ABOUT_PARAGRAPHS: readonly string[] = [
+  ABOUT_INTRO,
+  ...ABOUT_HISTORY,
+  ABOUT_PRINCIPLES,
+  ABOUT_PERSONAL,
+] as const;
diff --git a/apps/website/src/lib/blog-authors.ts b/apps/website/src/lib/blog-authors.ts
index 270e504e9..1093271d0 100644
--- a/apps/website/src/lib/blog-authors.ts
+++ b/apps/website/src/lib/blog-authors.ts
@@ -18,7 +18,7 @@ export const blogAuthors: Record<string, Author> = {
   brian: {
     name: 'Brian Love',
     role: 'Founder, Threadplane',
-    bio: 'Angular consultant and open-source maintainer. Building agent UI for Angular teams.',
+    bio: 'Agentic software architect building developer tooling for fullstack AI-powered web applications.',
     knowsAbout: ['Angular', 'TypeScript', 'LangGraph', 'AG-UI', 'Generative UI', 'Agent user interfaces'],
     github: 'blove',
   },