diff --git a/website/src/components/features/blog/BlogPost.astro b/website/src/components/features/blog/BlogPost.astro
index 1165814..a92de4a 100644
--- a/website/src/components/features/blog/BlogPost.astro
+++ b/website/src/components/features/blog/BlogPost.astro
@@ -13,6 +13,7 @@ import { JsonLdGraph } from "@/utils/build-json-ld";
 import { PEOPLE, isPersonId, personId } from "@/constants/people";
 import { getPersonJsonLd } from "@/constants/person-jsonld";
 import { organizationJsonLd } from "@/constants/default-jsonld";
+import { resolveTwitterCreator } from "@/utils/resolve-blog-author";
 import env from "@/config";
 
 type Props = CollectionEntry<"blog">["data"] & {
@@ -34,17 +35,20 @@ const {
 const currentLocale = getLocaleFromUrl(Astro.url.pathname);
 const t = await createTranslator(currentLocale);
 
+const blogIndexHref = getLocalizedPath(currentLocale, "/blog");
+const author = authorId && isPersonId(authorId) ? PEOPLE[authorId] : undefined;
+
 const metadata = createMetadata({
   title,
   description,
   pathname: Astro.url.pathname,
   imageUrl: heroImage,
   imageAlt: heroAlt,
+  twitter: {
+    creator: resolveTwitterCreator(author?.social.username, tags),
+  },
 });
 
-const blogIndexHref = getLocalizedPath(currentLocale, "/blog");
-const author = authorId && isPersonId(authorId) ? PEOPLE[authorId] : undefined;
-
 const article: Article = {
   "@type": "Article",
   "@id": metadata.canonical as string,
diff --git a/website/src/content.config.ts b/website/src/content.config.ts
index 21afe7b..3053b77 100644
--- a/website/src/content.config.ts
+++ b/website/src/content.config.ts
@@ -1,21 +1,28 @@
-import { defineCollection, z } from "astro:content";
+import { defineCollection } from "astro:content";
+import { z } from 'astro/zod'
 import { glob } from "astro/loaders";
+import { resolveBlogAuthor } from "./utils/resolve-blog-author";
 
 const blog = defineCollection({
   loader: glob({ pattern: "**/*.{md,mdx}", base: "./src/contents/blogs" }),
-  schema: z.object({
-    title: z.string(),
-    description: z.string(),
-    pubDate: z.coerce.date(),
-    updatedDate: z.coerce.date().optional(),
-    heroImage: z.string().optional(),
-    heroAlt: z.string().optional(),
-    featured: z.boolean().optional(),
-    tags: z.array(z.string()).default([]),
-    author: z
-      .enum(["christopher-smith", "joe-mattia", "jonathan-angle"])
-      .optional(),
-  }),
+  schema: z
+    .object({
+      title: z.string(),
+      description: z.string(),
+      pubDate: z.coerce.date(),
+      updatedDate: z.coerce.date().optional(),
+      heroImage: z.string().optional(),
+      heroAlt: z.string().optional(),
+      featured: z.boolean().optional(),
+      tags: z.array(z.string()).default([]),
+      author: z
+        .enum(["christopher-smith", "joe-mattia", "jonathan-angle"])
+        .optional(),
+    })
+    .transform((data) => ({
+      ...data,
+      author: resolveBlogAuthor(data.author, data.tags),
+    })),
 });
 
 const tocHeadingItem = z.object({
diff --git a/website/src/utils/create-metadata.ts b/website/src/utils/create-metadata.ts
index b5fee40..28497ac 100644
--- a/website/src/utils/create-metadata.ts
+++ b/website/src/utils/create-metadata.ts
@@ -67,7 +67,7 @@ export const createMetadata = (
       image: image.url,
       imageAlt: image.alt,
       site: "@QuantusNetwork",
-      creator: "@QuantusNetwork",
+      creator: seo.twitter?.creator ?? "@QuantusNetwork",
       card: "summary_large_image",
     },
     canonical,
diff --git a/website/src/utils/resolve-blog-author.ts b/website/src/utils/resolve-blog-author.ts
new file mode 100644
index 0000000..7390a07
--- /dev/null
+++ b/website/src/utils/resolve-blog-author.ts
@@ -0,0 +1,27 @@
+export type BlogAuthorId =
+  | "christopher-smith"
+  | "joe-mattia"
+  | "jonathan-angle";
+
+export const WEEKLY_UPDATE_TAG = "weekly-update";
+export const WEEKLY_UPDATE_AUTHOR = "christopher-smith" as const;
+export const SITE_TWITTER_HANDLE = "@QuantusNetwork";
+
+export function resolveTwitterCreator(
+  authorUsername: string | undefined,
+  tags: readonly string[],
+): string {
+  if (authorUsername && tags.includes(WEEKLY_UPDATE_TAG)) {
+    return authorUsername;
+  }
+  return SITE_TWITTER_HANDLE;
+}
+
+export function resolveBlogAuthor(
+  author: BlogAuthorId | undefined,
+  tags: readonly string[],
+): BlogAuthorId | undefined {
+  if (author) return author;
+  if (tags.includes(WEEKLY_UPDATE_TAG)) return WEEKLY_UPDATE_AUTHOR;
+  return undefined;
+}