diff --git a/components/EditProfilePage/PersonalInfoTab.tsx b/components/EditProfilePage/PersonalInfoTab.tsx
index b6d70364c..111aa5038 100644
--- a/components/EditProfilePage/PersonalInfoTab.tsx
+++ b/components/EditProfilePage/PersonalInfoTab.tsx
@@ -10,7 +10,7 @@ import { TooltipButton } from "components/buttons"
 import { useTranslation } from "next-i18next"
 import styled from "styled-components"
 
-type UpdateProfileData = {
+export type UpdateProfileData = {
   fullName: string
   aboutYou: string
   twitter: string
@@ -37,7 +37,7 @@ type Props = {
   legislatorsProps?: YourLegislatorsProps
 }
 
-async function updateProfile(
+export async function updateProfile(
   { profile, actions, uid }: Props,
   data: UpdateProfileData
 ) {
diff --git a/components/db/profile/urlCleanup.ts b/components/db/profile/urlCleanup.ts
index 26d09b13a..f2fe17e5c 100644
--- a/components/db/profile/urlCleanup.ts
+++ b/components/db/profile/urlCleanup.ts
@@ -7,7 +7,7 @@ export function cleanSocialLinks(network: keyof SocialLinks, link: string) {
       const index: number = path.indexOf(".com/") + 5
       path = path.substring(index)
     }
-    if (network === "mastodon" && path.startsWith("@")) {
+    if (path && network === "mastodon" && path.startsWith("@")) {
       path = path.substring(1)
     }
   }
diff --git a/components/legislator/LegislatorPage.tsx b/components/legislator/LegislatorPage.tsx
index fbf6b9113..e43ae82e7 100644
--- a/components/legislator/LegislatorPage.tsx
+++ b/components/legislator/LegislatorPage.tsx
@@ -348,7 +348,7 @@ export function LegislatorPage(props: { id: string }) {
           <LegislatorTabs fullname={profile.fullName} pageId={props.id} />
         </Col>
         <Col className={`mt-4`} md="3">
-          <LegislatorSidebar />
+          <LegislatorSidebar pageId={props.id} publicProfile={profile} />
         </Col>
       </Row>
     </Container>
diff --git a/components/legislator/SidebarComponents/Biography.tsx b/components/legislator/SidebarComponents/Biography.tsx
index 90cf3f5e0..32e4e6440 100644
--- a/components/legislator/SidebarComponents/Biography.tsx
+++ b/components/legislator/SidebarComponents/Biography.tsx
@@ -1,3 +1,152 @@
-export function Biography() {
-  return <div>- Biography</div>
+import { useTranslation } from "next-i18next"
+import { useEffect, useState } from "react"
+import { useForm } from "react-hook-form"
+import styled from "styled-components"
+
+import { Form, Row, Spinner } from "../../bootstrap"
+import { Profile, ProfileHook, useProfile } from "../../db"
+import Input from "../../forms/Input"
+
+import { useAuth } from "components/auth"
+import {
+  updateProfile,
+  UpdateProfileData
+} from "components/EditProfilePage/PersonalInfoTab"
+
+const BioBlock = styled.div`
+  background-color: white;
+  border: "1px #ced4da solid";
+  border-radius: 5px;
+  font-size: 11px;
+  margin-top: 8px;
+  padding: 8px 16px;
+`
+
+const BioButton = styled.button`
+  font-size: 9px;
+  padding: 2px;
+`
+
+const BioTitle = styled.div`
+  font-weight: 700;
+  color: #0b0a3e;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  margin-bottom: 10px;
+`
+
+export function Biography({
+  pageId,
+  publicProfile
+}: {
+  pageId: string
+  publicProfile: Profile | undefined
+}) {
+  const { user } = useAuth()
+  const uid = user?.uid
+  const pageOwnerResult = useProfile()
+
+  let pageOwner = false
+
+  if (uid === pageId) {
+    pageOwner = true
+  }
+
+  if (pageOwnerResult.loading) {
+    return (
+      <Row>
+        <Spinner animation="border" className="mx-auto" />
+      </Row>
+    )
+  }
+
+  if (pageOwnerResult.profile && pageOwner) {
+    // the user is the legislator whose page this is
+    // therefore they get edit privledges
+    return (
+      <EditableBiography
+        actions={pageOwnerResult}
+        pageId={pageId}
+        profile={pageOwnerResult.profile}
+      />
+    )
+  }
+
+  if (publicProfile) {
+    // the user is not the legislator whose page this is
+    // therefore they get read-only privledges
+    return <ReadonlyBiography profile={publicProfile} />
+  }
+}
+
+function EditableBiography({
+  actions,
+  pageId,
+  profile
+}: {
+  actions: ProfileHook
+  pageId: string
+  profile: Profile
+}) {
+  const {
+    register,
+    formState: { errors, isDirty },
+    handleSubmit
+  } = useForm<UpdateProfileData>()
+
+  const { about }: Profile = profile
+
+  const onSubmit = handleSubmit(async update => {
+    await updateProfile({ profile, actions }, update)
+    location.assign(`/legislators/profile?id=${pageId}`)
+    setFormUpdated(false)
+  })
+
+  const { t } = useTranslation("legislators")
+  const [formUpdated, setFormUpdated] = useState(false)
+
+  useEffect(() => {
+    setFormUpdated(isDirty)
+  }, [isDirty, setFormUpdated])
+
+  return (
+    <BioBlock>
+      <Form onSubmit={onSubmit}>
+        <div className={`d-flex justify-content-between`}>
+          <BioTitle className={`align-self-center d-inline my-1`}>
+            {t("biography")}
+          </BioTitle>
+          <BioButton
+            type="submit"
+            className={`btn btn-primary d-inline m-1 w-auto`}
+            disabled={!formUpdated}
+          >
+            {t("submit")}
+          </BioButton>
+        </div>
+        <Input
+          as="textarea"
+          {...register("aboutYou")}
+          style={{ fontSize: "11px", height: "10rem" }}
+          className="mt-3"
+          label={t("editBio")}
+          defaultValue={about ? about : t("addBio")}
+        />
+      </Form>
+    </BioBlock>
+  )
+}
+
+function ReadonlyBiography({ profile }: { profile: Profile }) {
+  const { about }: Profile = profile
+  const { t } = useTranslation("legislators")
+
+  return (
+    <BioBlock>
+      <BioTitle className={`my-1`}>{t("biography")}</BioTitle>
+      <div style={{ whiteSpace: "pre-wrap" }}>
+        {about ? about : t("notClaimed")}
+      </div>
+    </BioBlock>
+  )
 }
diff --git a/components/legislator/SidebarComponents/LegislatorSidebar.tsx b/components/legislator/SidebarComponents/LegislatorSidebar.tsx
index 39f77168e..e9ca0994a 100644
--- a/components/legislator/SidebarComponents/LegislatorSidebar.tsx
+++ b/components/legislator/SidebarComponents/LegislatorSidebar.tsx
@@ -1,14 +1,20 @@
+import { Profile } from "../../db"
 import { Biography } from "./Biography"
 import { OtherTestimony } from "./OtherTestimony"
 import { UpcomingHearings } from "./UpcomingHearings"
 
-export function LegislatorSidebar() {
+export function LegislatorSidebar({
+  pageId,
+  publicProfile
+}: {
+  pageId: string
+  publicProfile: Profile | undefined
+}) {
   return (
     <>
-      Sidebar Components
       <OtherTestimony />
       <UpcomingHearings />
-      <Biography />
+      <Biography pageId={pageId} publicProfile={publicProfile} />
     </>
   )
 }
diff --git a/public/locales/en/legislators.json b/public/locales/en/legislators.json
index fecb79040..a3f05ec4a 100644
--- a/public/locales/en/legislators.json
+++ b/public/locales/en/legislators.json
@@ -1,11 +1,15 @@
 {
+  "addBio": "Add your biography",
   "billsSponsored": "Bills Sponsored",
+  "biography": "Biography",
   "canSubmit": "can submit testimony on any bill or ballot question, just like any constituent. Her stance and reasoning are shown exactly as submitted — MAPLE does not edit or editorialize.",
   "contact": "Contact",
   "cosponsored": "Cosponsored",
+  "editBio": "Edit your biography",
   "fundsRaised": "Funds Raised",
   "home": "Home",
   "legislators": "Legislators",
+  "notClaimed": "This legislator has not claimed their MAPLE account",
   "party": {
     "democratic": "Democratic Party",
     "party": "Party",
@@ -13,6 +17,7 @@
   },
   "stateRepresentative": "State Representative",
   "stateSenator": "State Senator",
+  "submit": "Submit",
   "tabs": {
     "bills": "Bills",
     "district": "District",