diff --git a/app/(authenticated)/webinars/actions.ts b/app/(authenticated)/webinars/actions.ts
new file mode 100644
index 0000000..5800eb6
--- /dev/null
+++ b/app/(authenticated)/webinars/actions.ts
@@ -0,0 +1,177 @@
+"use server";
+
+import { updateTag } from "next/cache";
+import { eq } from "drizzle-orm";
+import { db } from "@/lib/db";
+import { webinars } from "@/lib/db/schema";
+import { requireAdmin } from "@/lib/auth/require-admin";
+import {
+   createWebinarSchema,
+   deleteWebinarSchema,
+   parseBooleanField,
+   updateWebinarSchema,
+} from "./schema";
+
+export type WebinarActionState = {
+   errors?: Record<string, string[]>;
+   message?: string;
+} | null;
+
+const WEBINARS_TAG = "webinars";
+
+function field(formData: FormData, name: string): string | undefined {
+   const value = formData.get(name);
+   return value === null ? undefined : value.toString();
+}
+
+function invalidateWebinars() {
+   updateTag(WEBINARS_TAG);
+}
+
+function unauthorized(): WebinarActionState {
+   return { errors: { _form: ["Unauthorized"] } };
+}
+
+export async function createWebinar(
+   _prev: WebinarActionState,
+   formData: FormData,
+): Promise<WebinarActionState> {
+   try {
+      await requireAdmin();
+   } catch {
+      return unauthorized();
+   }
+
+   const parsed = createWebinarSchema.safeParse({
+      title: field(formData, "title"),
+      description: field(formData, "description"),
+      tier: field(formData, "tier"),
+      duration_minutes: field(formData, "duration_minutes"),
+      youtube_url: field(formData, "youtube_url") || undefined,
+      is_active: field(formData, "is_active"),
+         ? parseBooleanField(formData.get("is_active"))
+         : true,
+   });
+
+   if (!parsed.success) {
+      return { errors: parsed.error.flatten().fieldErrors };
+   }
+
+   try {
+      await db.insert(webinars).values({
+         title: parsed.data.title,
+         description: parsed.data.description || null,
+         tier: parsed.data.tier,
+         durationMinutes: parsed.data.duration_minutes,
+         youtubeUrl: parsed.data.youtube_url || null,
+         isActive: parsed.data.is_active !== "false",
+      });
+   } catch (error) {
+      console.error(error);
+      return { errors: { _form: ["Could not create webinar"] } };
+   }
+
+   invalidateWebinars();
+   return { message: "Webinar created." };
+}
+
+export async function updateWebinar(
+   _prev: WebinarActionState,
+   formData: FormData,
+): Promise<WebinarActionState> {
+   try {
+      await requireAdmin();
+   } catch {
+      return unauthorized();
+   }
+
+   const parsed = updateWebinarSchema.safeParse({
+      webinar_id: field(formData, "webinar_id"),
+      title: formData.has("title") ? field(formData, "title") : undefined,
+      description: formData.has("description")
+         ? (field(formData, "description") ?? "")
+         : undefined,
+      tier: formData.has("tier") ? field(formData, "tier") : undefined,
+      duration_minutes: formData.has("duration_minutes")
+         ? field(formData, "duration_minutes")
+         : undefined,
+      youtube_url: formData.has("youtube_url")
+         ? (field(formData, "youtube_url") ?? "")
+         : undefined,
+      is_active: formData.has("is_active")
+         ? parseBooleanField(formData.get("is_active"))
+         : undefined,
+   });
+
+   if (!parsed.success) {
+      return { errors: parsed.error.flatten().fieldErrors };
+   }
+
+   
+
+   const patch: Partial<typeof webinars.$inferInsert> = {
+      updatedAt: new Date(),
+   };
+   if (parsed.data.title !== undefined) patch.title = parsed.data.title;
+   if (parsed.data.description !== undefined) {
+      patch.description = parsed.data.description || null;
+   }
+   if (parsed.data.tier !== undefined) patch.tier = parsed.data.tier;
+   if (parsed.data.duration_minutes !== undefined) {
+      patch.durationMinutes = parsed.data.duration_minutes;
+   }
+   if (parsed.data.youtube_url !== undefined) {
+      patch.youtubeUrl = parsed.data.youtube_url || null;
+   }
+   if (parsed.data.is_active !== undefined) {
+      patch.isActive = parsed.data.is_active === "true";
+   }
+
+   const updated = await db
+   .update(webinars)
+   .set(patch)
+   .where(eq(webinars.id, parsed.data.webinar_id))
+   .returning({ id: webinars.id });
+   
+   if (!updated.length) return { errors: { _form: ["Webinar not found"] } };
+
+   invalidateWebinars();
+   return { message: "Webinar updated." };
+}
+
+export async function deleteWebinar(
+   _prev: WebinarActionState,
+   formData: FormData,
+): Promise<WebinarActionState> {
+   try {
+      await requireAdmin();
+   } catch {
+      return unauthorized();
+   }
+
+   const parsed = deleteWebinarSchema.safeParse({
+      webinar_id: field(formData, "webinar_id"),
+   });
+
+   if (!parsed.success) {
+      return { errors: parsed.error.flatten().fieldErrors };
+   }
+
+   let deleted;
+    try {
+       deleted = await db
+          .delete(webinars)
+          .where(eq(webinars.id, parsed.data.webinar_id))
+          .returning({ id: webinars.id });
+    } catch (error) {
+       console.error(error);
+       return { errors: { _form: ["Could not delete webinar"] } };
+    }
+
+   if (!deleted.length) {
+      return { errors: { _form: ["Webinar not found"] } };
+   }
+
+   invalidateWebinars();
+   return { message: "Webinar deleted." };
+}
diff --git a/app/(authenticated)/webinars/schema.ts b/app/(authenticated)/webinars/schema.ts
new file mode 100644
index 0000000..fc6deb3
--- /dev/null
+++ b/app/(authenticated)/webinars/schema.ts
@@ -0,0 +1,52 @@
+import { z } from "zod";
+
+export const webinarTierSchema = z.enum(["free", "premium"]);
+
+const youtubeUrlSchema = z
+   .string()
+   .url("Enter a valid YouTube URL")
+   .refine(
+      (value) => {
+         try {
+            const hostname = new URL(value).hostname.toLowerCase();
+            return [
+               "youtube.com",
+               "www.youtube.com",
+               "youtu.be",
+               "www.youtu.be",
+            ].includes(hostname);
+         } catch {
+            return false;
+         }
+      },
+      { message: "URL must be a YouTube URL" },
+   );
+
+const durationSchema = z.coerce
+   .number()
+   .int("Duration must be a whole number")
+   .min(1, "Duration must be at least 1 minute")
+   .max(24 * 60, "Duration cannot exceed 24 hours");
+
+export const createWebinarSchema = z.object({
+   title: z.string().trim().min(1, "Title is required").max(500),
+   description: z.string().trim().max(5000).optional(),
+   tier: webinarTierSchema,
+   duration_minutes: durationSchema,
+   youtube_url: youtubeUrlSchema.optional(),
+   is_active: z.enum(["true", "false"]).optional(),
+});
+
+export const updateWebinarSchema = z.object({
+   webinar_id: z.string().uuid("Invalid webinar"),
+   title: z.string().trim().min(1, "Title cannot be empty").max(500).optional(),
+   description: z.string().trim().max(5000).optional(),
+   tier: webinarTierSchema.optional(),
+   duration_minutes: durationSchema.optional(),
+   youtube_url: z.union([youtubeUrlSchema, z.literal("")]).optional(),
+   is_active: z.enum(["true", "false"]).optional(),
+});
+
+export const deleteWebinarSchema = z.object({
+   webinar_id: z.string().uuid("Invalid webinar"),
+});