diff --git a/src/api/ghost.ts b/src/api/ghost.ts
index 23f758b..724aa03 100644
--- a/src/api/ghost.ts
+++ b/src/api/ghost.ts
@@ -54,6 +54,7 @@ interface GhostResponse<T> {
   posts?: T[]
   pages?: T[]
   tags?: T[]
+  authors?: T[]
   meta: {
     pagination: {
       page: number
@@ -113,3 +114,10 @@ export async function getTags() {
   const data = await ghostFetch<GhostResponse<GhostTag>>("tags/?limit=all")
   return data.tags ?? []
 }
+
+export async function getAuthor(slug: string) {
+  const data = await ghostFetch<GhostResponse<GhostAuthor>>(
+    `authors/slug/${slug}/`
+  )
+  return data.authors?.[0] ?? null
+}
diff --git a/src/components/author-bio.test.tsx b/src/components/author-bio.test.tsx
new file mode 100644
index 0000000..0615b55
--- /dev/null
+++ b/src/components/author-bio.test.tsx
@@ -0,0 +1,41 @@
+import { render, screen } from "@testing-library/react"
+import { describe, expect, it, vi } from "vitest"
+
+import { AuthorBio } from "./author-bio"
+
+const useAuthorMock = vi.hoisted(() => vi.fn())
+
+vi.mock("@/lib/use-ghost", () => ({
+  useAuthor: useAuthorMock,
+}))
+
+describe("AuthorBio", () => {
+  it("renders the fallback name, bio, and placeholder when Ghost has no data", () => {
+    useAuthorMock.mockReturnValue({ data: undefined })
+
+    render(<AuthorBio />)
+
+    expect(screen.getByText("Will Thomson")).toBeInTheDocument()
+    expect(screen.getByText(/certified arborist/i)).toBeInTheDocument()
+    expect(screen.queryByRole("img")).not.toBeInTheDocument()
+  })
+
+  it("renders the Ghost profile image, name, and bio when present", () => {
+    useAuthorMock.mockReturnValue({
+      data: {
+        id: "1",
+        name: "Will Thomson",
+        slug: "will",
+        profile_image: "https://content.example.com/will.jpg",
+        bio: "Arborist and author.",
+      },
+    })
+
+    render(<AuthorBio />)
+
+    const img = screen.getByRole("img", { name: "Will Thomson" })
+    expect(img).toHaveAttribute("src", "https://content.example.com/will.jpg")
+    expect(screen.getByText("Arborist and author.")).toBeInTheDocument()
+    expect(screen.queryByText(/certified arborist/i)).not.toBeInTheDocument()
+  })
+})
diff --git a/src/components/author-bio.tsx b/src/components/author-bio.tsx
index e96ebcc..3478adc 100644
--- a/src/components/author-bio.tsx
+++ b/src/components/author-bio.tsx
@@ -1,14 +1,38 @@
+import { useAuthor } from "@/lib/use-ghost"
+
+// Single-author site: the Ghost staff profile is the source of truth for the
+// photo and bio, editable in Ghost Admin without a deploy. The hardcoded
+// strings below are fallbacks for while the Ghost profile fields are empty
+// (and for when the Content API is unreachable).
+const AUTHOR_SLUG = "will"
+
+const FALLBACK_NAME = "Will Thomson"
+const FALLBACK_BIO =
+  "Will is a certified arborist and landscape designer. He holds an MSc in " +
+  "Environmental Science from the American University of Beirut and an MLA " +
+  "from the Spitzer School of Architecture, and is a certified hater of " +
+  "using trees to score political points."
+
 export function AuthorBio() {
+  const { data: author } = useAuthor(AUTHOR_SLUG)
+
   return (
     <div className="flex flex-col items-center gap-4 sm:flex-row sm:items-start sm:gap-8">
-      <div className="bg-muted h-40 w-40 shrink-0 rounded-full" />
+      {author?.profile_image ? (
+        <img
+          src={author.profile_image}
+          alt={author.name}
+          className="h-40 w-40 shrink-0 rounded-full object-cover"
+        />
+      ) : (
+        <div className="bg-muted h-40 w-40 shrink-0 rounded-full" />
+      )}
       <div>
-        <h3 className="text-xl font-semibold">Will Thomson</h3>
+        <h3 className="text-xl font-semibold">
+          {author?.name ?? FALLBACK_NAME}
+        </h3>
         <p className="text-muted-foreground mt-2 leading-relaxed">
-          Will is a certified arborist and landscape designer. He holds an MSc
-          in Environmental Science from the American University of Beirut and an
-          MLA from the Spitzer School of Architecture, and is a certified hater
-          of using trees to score political points.
+          {author?.bio ?? FALLBACK_BIO}
         </p>
       </div>
     </div>
diff --git a/src/lib/use-ghost.ts b/src/lib/use-ghost.ts
index 1bda8c5..a6a4ea8 100644
--- a/src/lib/use-ghost.ts
+++ b/src/lib/use-ghost.ts
@@ -1,5 +1,5 @@
 import { useQuery } from "@tanstack/react-query"
-import { getPost, getPosts, getPage, getTags } from "@/api/ghost"
+import { getAuthor, getPost, getPosts, getPage, getTags } from "@/api/ghost"
 
 export function usePosts(options?: {
   page?: number
@@ -36,3 +36,11 @@ export function useTags() {
     queryFn: getTags,
   })
 }
+
+export function useAuthor(slug: string) {
+  return useQuery({
+    queryKey: ["ghost", "author", slug],
+    queryFn: () => getAuthor(slug),
+    enabled: !!slug,
+  })
+}