diff --git a/frontends/main/src/app-pages/DashboardPage/OrganizationContent.test.tsx b/frontends/main/src/app-pages/DashboardPage/OrganizationContent.test.tsx
index 4ab71c50db..05924aaeba 100644
--- a/frontends/main/src/app-pages/DashboardPage/OrganizationContent.test.tsx
+++ b/frontends/main/src/app-pages/DashboardPage/OrganizationContent.test.tsx
@@ -728,4 +728,14 @@ describe("OrganizationContent", () => {
       expect(cardStatus).toHaveTextContent("Not Enrolled")
     }
   })
+
+  test("shows the not found screen if the organization is not found by orgSlug", async () => {
+    const { mitxOnlineUser } = setupOrgAndUser()
+
+    setMockResponse.get(urls.userMe.get(), mitxOnlineUser)
+
+    renderWithProviders(<OrganizationContent orgSlug="not-found" />)
+
+    await screen.findByRole("heading", { name: "Organization not found" })
+  })
 })
diff --git a/frontends/main/src/app-pages/DashboardPage/OrganizationContent.tsx b/frontends/main/src/app-pages/DashboardPage/OrganizationContent.tsx
index b3d804df5c..60840229ff 100644
--- a/frontends/main/src/app-pages/DashboardPage/OrganizationContent.tsx
+++ b/frontends/main/src/app-pages/DashboardPage/OrganizationContent.tsx
@@ -1,6 +1,6 @@
 "use client"
 
-import React from "react"
+import React, { useEffect } from "react"
 import DOMPurify from "isomorphic-dompurify"
 import Image from "next/image"
 import { useFeatureFlagEnabled } from "posthog-js/react"
@@ -27,9 +27,10 @@ import {
   OrganizationPage,
   UserProgramEnrollmentDetail,
 } from "@mitodl/mitxonline-api-axios/v2"
-import { useMitxOnlineUserMe } from "api/mitxonline-hooks/user"
+import { mitxUserQueries } from "api/mitxonline-hooks/user"
 import { ButtonLink } from "@mitodl/smoot-design"
 import { RiAwardFill } from "@remixicon/react"
+import { ErrorContent } from "../ErrorPage/ErrorPageTemplate"
 
 const HeaderRoot = styled.div({
   display: "flex",
@@ -426,24 +427,44 @@ const OrganizationContentInternal: React.FC<
   )
 }
 
+const matchOrganizationBySlug =
+  (orgSlug: string) => (organization: OrganizationPage) => {
+    return organization.slug.replace("org-", "") === orgSlug
+  }
+
 type OrganizationContentProps = {
   orgSlug: string
 }
 const OrganizationContent: React.FC<OrganizationContentProps> = ({
   orgSlug,
 }) => {
-  const { isLoading: isLoadingMitxOnlineUser, data: mitxOnlineUser } =
-    useMitxOnlineUserMe()
-  const b2bOrganization = mitxOnlineUser?.b2b_organizations.find(
-    (org) => org.slug.replace("org-", "") === orgSlug,
+  const { isLoading: isLoadingMitxOnlineUser, data: mitxOnlineUser } = useQuery(
+    mitxUserQueries.me(),
   )
-  const skeleton = (
-    <Skeleton width="100%" height="100px" style={{ marginBottom: "16px" }} />
+
+  useEffect(() => {
+    if (
+      mitxOnlineUser?.b2b_organizations.find(matchOrganizationBySlug(orgSlug))
+    ) {
+      localStorage.setItem("last-dashboard-org", orgSlug)
+    }
+  }, [mitxOnlineUser, orgSlug])
+
+  if (isLoadingMitxOnlineUser) {
+    return (
+      <Skeleton width="100%" height="100px" style={{ marginBottom: "16px" }} />
+    )
+  }
+
+  const b2bOrganization = mitxOnlineUser?.b2b_organizations.find(
+    matchOrganizationBySlug(orgSlug),
   )
-  if (isLoadingMitxOnlineUser || isLoadingMitxOnlineUser) return skeleton
-  return b2bOrganization ? (
-    <OrganizationContentInternal org={b2bOrganization} />
-  ) : null
+
+  if (!b2bOrganization) {
+    return <ErrorContent title="Organization not found" timSays="404" />
+  }
+
+  return <OrganizationContentInternal org={b2bOrganization} />
 }
 
 export default OrganizationContent
diff --git a/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.test.tsx b/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.test.tsx
new file mode 100644
index 0000000000..2d8547be52
--- /dev/null
+++ b/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.test.tsx
@@ -0,0 +1,78 @@
+import React from "react"
+import { renderWithProviders, waitFor } from "@/test-utils"
+import OrganizationRedirect from "./OrganizationRedirect"
+import { setMockResponse } from "api/test-utils"
+import { urls, factories } from "api/mitxonline-test-utils"
+import { setupOrgAndUser } from "./CoursewareDisplay/test-utils"
+
+jest.mock("next-nprogress-bar", () => ({
+  useRouter: jest.fn(),
+}))
+
+const mockReplace = jest.fn()
+
+const { useRouter } = jest.requireMock("next-nprogress-bar")
+useRouter.mockReturnValue({
+  replace: mockReplace,
+})
+
+describe("OrganizationRedirect", () => {
+  beforeEach(() => {
+    mockReplace.mockClear()
+    localStorage.clear()
+    setMockResponse.get(urls.enrollment.enrollmentsList(), [])
+    setMockResponse.get(urls.programEnrollments.enrollmentsList(), [])
+    setMockResponse.get(urls.contracts.contractsList(), [])
+  })
+
+  test("navigates to user's first organization", async () => {
+    const { mitxOnlineUser } = setupOrgAndUser()
+
+    const userWithTwoOrgs = {
+      ...mitxOnlineUser,
+      b2b_organizations: [
+        mitxOnlineUser.b2b_organizations[0],
+        factories.organizations.organization({}),
+      ],
+    }
+
+    setMockResponse.get(urls.userMe.get(), userWithTwoOrgs)
+
+    renderWithProviders(<OrganizationRedirect />)
+
+    await waitFor(() => {
+      expect(mockReplace).toHaveBeenCalledWith(
+        `/dashboard/organization/${mitxOnlineUser.b2b_organizations[0].slug.replace("org-", "")}`,
+      )
+    })
+  })
+
+  test("navigates to user's last visited organization", async () => {
+    const { mitxOnlineUser } = setupOrgAndUser()
+    setMockResponse.get(urls.userMe.get(), mitxOnlineUser)
+    localStorage.setItem("last-dashboard-org", "last-visited-org")
+    renderWithProviders(<OrganizationRedirect />)
+    await waitFor(() => {
+      expect(mockReplace).toHaveBeenCalledWith(
+        "/dashboard/organization/last-visited-org",
+      )
+    })
+  })
+
+  test("navigates to dashboard home if user has no organization", async () => {
+    const { mitxOnlineUser } = setupOrgAndUser()
+
+    const userWithNoOrgs = {
+      ...mitxOnlineUser,
+      b2b_organizations: [],
+    }
+
+    setMockResponse.get(urls.userMe.get(), userWithNoOrgs)
+
+    renderWithProviders(<OrganizationRedirect />)
+
+    await waitFor(() => {
+      expect(mockReplace).toHaveBeenCalledWith("/dashboard")
+    })
+  })
+})
diff --git a/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.tsx b/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.tsx
new file mode 100644
index 0000000000..8ac20f5b3a
--- /dev/null
+++ b/frontends/main/src/app-pages/DashboardPage/OrganizationRedirect.tsx
@@ -0,0 +1,47 @@
+"use client"
+
+import React, { useEffect } from "react"
+import { useRouter } from "next-nprogress-bar"
+import { useQuery } from "@tanstack/react-query"
+import { mitxUserQueries } from "api/mitxonline-hooks/user"
+import { Skeleton } from "ol-components"
+
+const OrganizationRedirect: React.FC = () => {
+  const router = useRouter()
+
+  const { isLoading: isLoadingMitxOnlineUser, data: mitxOnlineUser } = useQuery(
+    mitxUserQueries.me(),
+  )
+
+  useEffect(() => {
+    if (!isLoadingMitxOnlineUser) {
+      if (mitxOnlineUser) {
+        const b2bOrganization = mitxOnlineUser.b2b_organizations[0]
+        if (b2bOrganization) {
+          const lastVisited = localStorage.getItem("last-dashboard-org")
+          if (lastVisited) {
+            router.replace(`/dashboard/organization/${lastVisited}`)
+          } else {
+            router.replace(
+              `/dashboard/organization/${b2bOrganization.slug.replace("org-", "")}`,
+            )
+          }
+        } else {
+          router.replace("/dashboard")
+        }
+      } else {
+        router.replace("/dashboard")
+      }
+    }
+  }, [isLoadingMitxOnlineUser, mitxOnlineUser, router])
+
+  if (isLoadingMitxOnlineUser) {
+    return (
+      <Skeleton width="100%" height="100px" style={{ marginBottom: "16px" }} />
+    )
+  }
+
+  return null
+}
+
+export default OrganizationRedirect
diff --git a/frontends/main/src/app-pages/ErrorPage/ErrorPageTemplate.tsx b/frontends/main/src/app-pages/ErrorPage/ErrorPageTemplate.tsx
index 173e2aac8d..000e0212ff 100644
--- a/frontends/main/src/app-pages/ErrorPage/ErrorPageTemplate.tsx
+++ b/frontends/main/src/app-pages/ErrorPage/ErrorPageTemplate.tsx
@@ -81,6 +81,33 @@ const Button = styled(ButtonLink)({
   minWidth: "200px",
 })
 
+export const ErrorContent: React.FC<ErrorPageTemplateProps> = ({
+  title,
+  timSays,
+}) => {
+  return (
+    <ErrorContainer>
+      <ImageContainer>
+        <TimSpeechImage src={timSpeechBubble} alt="" />
+        <TimSays>{timSays || "Oops!"}</TimSays>
+        <TimImage src={timImage} alt="" />
+      </ImageContainer>
+      <Typography
+        component="h1"
+        variant="h3"
+        sx={{ textAlign: "center", margin: "0 30px" }}
+      >
+        {title}
+      </Typography>
+      <Footer>
+        <Button variant="primary" href={HOME} Component="a">
+          Home
+        </Button>
+      </Footer>
+    </ErrorContainer>
+  )
+}
+
 const ErrorPageTemplate: React.FC<ErrorPageTemplateProps> = ({
   title,
   timSays,
@@ -109,25 +136,7 @@ const ErrorPageTemplate: React.FC<ErrorPageTemplateProps> = ({
   }
   return (
     <Page>
-      <ErrorContainer>
-        <ImageContainer>
-          <TimSpeechImage src={timSpeechBubble} alt="" />
-          <TimSays>{timSays || "Oops!"}</TimSays>
-          <TimImage src={timImage} alt="" />
-        </ImageContainer>
-        <Typography
-          component="h1"
-          variant="h3"
-          sx={{ textAlign: "center", margin: "0 30px" }}
-        >
-          {title}
-        </Typography>
-        <Footer>
-          <Button variant="primary" href={HOME} Component="a">
-            Home
-          </Button>
-        </Footer>
-      </ErrorContainer>
+      <ErrorContent title={title} timSays={timSays} />
     </Page>
   )
 }
diff --git a/frontends/main/src/app/dashboard/organization/[slug]/page.tsx b/frontends/main/src/app/dashboard/organization/[slug]/page.tsx
index 1eb88be809..690c46961b 100644
--- a/frontends/main/src/app/dashboard/organization/[slug]/page.tsx
+++ b/frontends/main/src/app/dashboard/organization/[slug]/page.tsx
@@ -6,8 +6,8 @@ const Page: React.FC<PageProps<"/dashboard/organization/[slug]">> = async ({
   params,
 }) => {
   const resolved = await params
-  invariant(resolved?.slug, "slug is required")
-  return <OrganizationContent orgSlug={resolved?.slug} />
+  invariant(resolved.slug, "slug is required")
+  return <OrganizationContent orgSlug={resolved.slug} />
 }
 
 export default Page
diff --git a/frontends/main/src/app/dashboard/organization/page.tsx b/frontends/main/src/app/dashboard/organization/page.tsx
new file mode 100644
index 0000000000..f825983677
--- /dev/null
+++ b/frontends/main/src/app/dashboard/organization/page.tsx
@@ -0,0 +1,8 @@
+import React from "react"
+import OrganizationRedirect from "@/app-pages/DashboardPage/OrganizationRedirect"
+
+const Page: React.FC = async () => {
+  return <OrganizationRedirect />
+}
+
+export default Page