diff --git a/components/Activity/cards/ActivityAuthorSummary.tsx b/components/Activity/cards/ActivityAuthorSummary.tsx
index dcd1f3d9f..840e25d60 100644
--- a/components/Activity/cards/ActivityAuthorSummary.tsx
+++ b/components/Activity/cards/ActivityAuthorSummary.tsx
@@ -26,7 +26,7 @@ function AuthorName({ author }: Readonly<{ author: AuthorProfile }>) {
         <span className="font-semibold text-gray-900">{name}</span>
       )}
       {isVerifiedAuthor(author) && (
-        <VerifiedBadge size="sm" showTooltip className="ml-1 shrink-0" />
+        <VerifiedBadge size="sm" showTooltip authorId={author.id} className="ml-1 shrink-0" />
       )}
     </span>
   );
diff --git a/components/Activity/cards/ActivityHeaderActionText.tsx b/components/Activity/cards/ActivityHeaderActionText.tsx
index d6e6a67d7..1d7bfeb3a 100644
--- a/components/Activity/cards/ActivityHeaderActionText.tsx
+++ b/components/Activity/cards/ActivityHeaderActionText.tsx
@@ -44,7 +44,7 @@ function AuthorName({
   const badges = (
     <>
       {isVerifiedAuthor(author) && (
-        <VerifiedBadge size="sm" showTooltip className="ml-1 shrink-0" />
+        <VerifiedBadge size="sm" showTooltip authorId={id} className="ml-1 shrink-0" />
       )}
       {showAuthorBadge && <AuthorBadge size="sm" className="ml-1 shrink-0" />}
     </>
diff --git a/components/Feed/FeedItemHeader.tsx b/components/Feed/FeedItemHeader.tsx
index af03433a9..0fcab9005 100644
--- a/components/Feed/FeedItemHeader.tsx
+++ b/components/Feed/FeedItemHeader.tsx
@@ -104,7 +104,7 @@ export const FeedItemHeader: FC<FeedItemHeaderProps> = ({
                 )}
                 {/* Show verified badge if user is verified - check both direct user prop and author */}
                 {(user?.isVerified || author?.isVerified || author?.user?.isVerified) && (
-                  <VerifiedBadge size="sm" showTooltip={true} />
+                  <VerifiedBadge size="sm" showTooltip={true} authorId={authorId} />
                 )}
                 {/* Show AuthorBadge with priority over EditorBadge - only if not hidden */}
                 {!hideAuthorBadge && isAuthorOfWork && (
diff --git a/components/profile/ProfileHeroBanner.tsx b/components/profile/ProfileHeroBanner.tsx
index f8304b864..1152649aa 100644
--- a/components/profile/ProfileHeroBanner.tsx
+++ b/components/profile/ProfileHeroBanner.tsx
@@ -83,7 +83,12 @@ export function ProfileHeroBanner({ author, refetchAuthorInfo, tabBar }: Profile
                   <h1 className="text-2xl sm:text-4xl font-semibold tracking-tight leading-snug text-gray-900">
                     {author.fullName}
                   </h1>
-                  {author.isVerified && <VerifiedBadge showTooltip={true} />}
+                  {author.isVerified && (
+                    <VerifiedBadge
+                      showTooltip={true}
+                      verificationMethods={author.verificationMethods}
+                    />
+                  )}
                 </div>
                 {author.headline && (
                   <p className="text-sm sm:text-base text-gray-500 mt-1">{author.headline}</p>
diff --git a/components/ui/Tooltip.tsx b/components/ui/Tooltip.tsx
index a687e7079..30ea5971d 100644
--- a/components/ui/Tooltip.tsx
+++ b/components/ui/Tooltip.tsx
@@ -82,41 +82,50 @@ const TooltipContent = ({
     if (!tooltipRef.current || !triggerRect) return;
 
     const tooltip = tooltipRef.current;
-    const tooltipRect = tooltip.getBoundingClientRect();
-    const windowWidth = window.innerWidth;
-    const windowHeight = window.innerHeight;
 
-    let top = 0;
-    let left = 0;
+    const updatePosition = () => {
+      const tooltipRect = tooltip.getBoundingClientRect();
+      const windowWidth = window.innerWidth;
+      const windowHeight = window.innerHeight;
 
-    // Calculate position based on specified position
-    switch (position) {
-      case 'top':
-        top = triggerRect.top - tooltipRect.height - 8;
-        left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
-        break;
-      case 'bottom':
-        top = triggerRect.bottom + 8;
-        left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
-        break;
-      case 'left':
-        top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
-        left = triggerRect.left - tooltipRect.width - 8;
-        break;
-      case 'right':
-        top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
-        left = triggerRect.right + 8;
-        break;
-    }
+      let top = 0;
+      let left = 0;
+
+      // Calculate position based on specified position
+      switch (position) {
+        case 'top':
+          top = triggerRect.top - tooltipRect.height - 8;
+          left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
+          break;
+        case 'bottom':
+          top = triggerRect.bottom + 8;
+          left = triggerRect.left + (triggerRect.width - tooltipRect.width) / 2;
+          break;
+        case 'left':
+          top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
+          left = triggerRect.left - tooltipRect.width - 8;
+          break;
+        case 'right':
+          top = triggerRect.top + (triggerRect.height - tooltipRect.height) / 2;
+          left = triggerRect.right + 8;
+          break;
+      }
 
-    // Adjust if tooltip would go off screen
-    if (left < 10) left = 10;
-    if (left + tooltipRect.width > windowWidth - 10) left = windowWidth - tooltipRect.width - 10;
-    if (top < 10) top = 10;
-    if (top + tooltipRect.height > windowHeight - 10) top = windowHeight - tooltipRect.height - 10;
+      // Adjust if tooltip would go off screen
+      if (left < 10) left = 10;
+      if (left + tooltipRect.width > windowWidth - 10) left = windowWidth - tooltipRect.width - 10;
+      if (top < 10) top = 10;
+      if (top + tooltipRect.height > windowHeight - 10)
+        top = windowHeight - tooltipRect.height - 10;
+
+      setTooltipPosition({ top, left });
+      setMounted(true);
+    };
 
-    setTooltipPosition({ top, left });
-    setMounted(true);
+    // Content that loads after opening resizes the tooltip and moves its anchor point.
+    const resizeObserver = new ResizeObserver(updatePosition);
+    resizeObserver.observe(tooltip);
+    return () => resizeObserver.disconnect();
   }, [triggerRect, position]);
 
   if (!triggerRect) return null;
diff --git a/components/ui/VerifiedBadge.tsx b/components/ui/VerifiedBadge.tsx
index 69762e3fa..bbc78972d 100644
--- a/components/ui/VerifiedBadge.tsx
+++ b/components/ui/VerifiedBadge.tsx
@@ -1,9 +1,13 @@
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { faBadgeCheck } from '@fortawesome/pro-solid-svg-icons';
 import { faBadgeCheck as faBadgeCheckLight } from '@fortawesome/pro-light-svg-icons';
+import { faXTwitter } from '@fortawesome/free-brands-svg-icons';
+import { GraduationCap, IdCard, ShieldCheck } from 'lucide-react';
 import clsx from 'clsx';
 import { Tooltip } from '@/components/ui/Tooltip';
 import { useVerification } from '@/contexts/VerificationContext';
+import { useAuthorVerificationMethods } from '@/hooks/useAuthor';
+import type { VerificationMethod } from '@/types/authorProfile';
 
 interface VerifiedBadgeProps {
   size?: 'xs' | 'sm' | 'md' | 'lg';
@@ -11,16 +15,44 @@ interface VerifiedBadgeProps {
   className?: string;
   showTooltip?: boolean;
   variant?: 'solid' | 'outlined';
+  verificationMethods?: VerificationMethod[];
+  /** Loads the verification methods on hover when they aren't passed. */
+  authorId?: number;
 }
 
+const METHOD_DETAILS: Record<VerificationMethod, { label: string; icon: React.ReactNode }> = {
+  PERSONA: {
+    label: 'Identity verified by Persona',
+    icon: <IdCard className="w-4 h-4 text-gray-900" />,
+  },
+  MANUAL: {
+    label: 'Identity verified by ResearchHub',
+    icon: <ShieldCheck className="w-4 h-4 text-gray-900" />,
+  },
+  X: {
+    label: 'Identity verified by X',
+    icon: <FontAwesomeIcon icon={faXTwitter} className="w-4 h-4 text-gray-900" />,
+  },
+  EDU_EMAIL: {
+    label: 'Verified academic email',
+    icon: <GraduationCap className="w-4 h-4 text-gray-900" />,
+  },
+};
+
 export function VerifiedBadge({
   size = 'md',
   isOrganization = false,
   className,
   showTooltip = false,
   variant = 'solid',
+  verificationMethods,
+  authorId,
 }: VerifiedBadgeProps) {
   const { openVerificationModal } = useVerification();
+  const [{ methods, isLoading }, loadVerificationMethods] = useAuthorVerificationMethods(
+    authorId,
+    verificationMethods
+  );
 
   // Map sizes to pixel values
   const sizeMap = {
@@ -40,6 +72,7 @@ export function VerifiedBadge({
         showTooltip && 'cursor-pointer',
         className
       )}
+      onPointerEnter={showTooltip ? loadVerificationMethods : undefined}
     >
       <FontAwesomeIcon
         icon={icon}
@@ -58,6 +91,25 @@ export function VerifiedBadge({
     openVerificationModal();
   };
 
+  const renderVerificationMethods = () => {
+    if (isLoading) {
+      return <div className="text-sm text-gray-500 animate-pulse">Loading verifications...</div>;
+    }
+    if (!methods?.length) {
+      return <div className="text-sm text-gray-600">This user has verified their identity</div>;
+    }
+    return (
+      <ul className="mt-1 space-y-1.5">
+        {methods.map((method) => (
+          <li key={method} className="flex items-center gap-2 text-sm text-gray-700">
+            <span className="flex w-4 justify-center shrink-0">{METHOD_DETAILS[method].icon}</span>
+            {METHOD_DETAILS[method].label}
+          </li>
+        ))}
+      </ul>
+    );
+  };
+
   const tooltipContent = (
     <div className="flex gap-4">
       <div className="flex-shrink-0">
@@ -67,7 +119,7 @@ export function VerifiedBadge({
       </div>
       <div className="text-left flex-1">
         <div className="font-semibold text-gray-900  text-base">Verified Profile</div>
-        <div className="text-sm text-gray-600 mb-0">This user has verified their identity</div>
+        {renderVerificationMethods()}
         <a
           href="#"
           onClick={handleLearnMoreClick}
diff --git a/hooks/useAuthor.ts b/hooks/useAuthor.ts
index 15bde4af2..66d3a7905 100644
--- a/hooks/useAuthor.ts
+++ b/hooks/useAuthor.ts
@@ -1,6 +1,7 @@
 import { useState, useCallback, useEffect } from 'react';
 import { AuthorService } from '@/services/author.service';
 import type { AuthorUpdatePayload } from '@/services/author.service';
+import type { VerificationMethod } from '@/types/authorProfile';
 import type { User, RiskScoreEvent, Insight, RiskScoreEventsFilters } from '@/types/user';
 import { UserService } from '@/services/user.service';
 import { UserDetailsForModerator } from '@/types/user';
@@ -149,6 +150,45 @@ export function useAuthorInfo(authorId: number | null): UseFetchAuthorInfoReturn
   return [{ author, isLoading, error }, fetchAuthorInfo];
 }
 
+interface UseAuthorVerificationMethodsState {
+  methods: VerificationMethod[] | undefined;
+  isLoading: boolean;
+}
+
+type LoadVerificationMethodsFn = () => void;
+
+type UseAuthorVerificationMethodsReturn = [
+  UseAuthorVerificationMethodsState,
+  LoadVerificationMethodsFn,
+];
+
+/**
+ * List payloads only carry `is_verified`, so unless `knownMethods` is passed,
+ * the methods load from the author's overview on demand.
+ */
+export function useAuthorVerificationMethods(
+  authorId: number | undefined,
+  knownMethods: VerificationMethod[] | undefined
+): UseAuthorVerificationMethodsReturn {
+  const [loaded, setLoaded] = useState<{ authorId: number; methods: VerificationMethod[] }>();
+  const [isLoading, setIsLoading] = useState(false);
+  const methods = knownMethods ?? (loaded?.authorId === authorId ? loaded?.methods : undefined);
+
+  const loadVerificationMethods = () => {
+    if (!authorId || methods || isLoading) return;
+    setIsLoading(true);
+    AuthorService.getAuthorInfo(authorId)
+      .then((user) =>
+        setLoaded({ authorId, methods: user.authorProfile?.verificationMethods ?? [] })
+      )
+      // Leave the methods unloaded so the next hover retries.
+      .catch(() => {})
+      .finally(() => setIsLoading(false));
+  };
+
+  return [{ methods, isLoading }, loadVerificationMethods];
+}
+
 interface UseUserDetailsForModeratorState {
   userDetails: UserDetailsForModerator | null;
   isLoading: boolean;
diff --git a/types/authorProfile.ts b/types/authorProfile.ts
index 12a3ea6e8..4f091e616 100644
--- a/types/authorProfile.ts
+++ b/types/authorProfile.ts
@@ -21,6 +21,8 @@ export interface Education {
   is_public: boolean;
 }
 
+export type VerificationMethod = 'PERSONA' | 'MANUAL' | 'X' | 'EDU_EMAIL';
+
 export interface AuthorProfile {
   id: number;
   fullName: string;
@@ -41,6 +43,8 @@ export interface AuthorProfile {
   isOrcidConnected?: boolean;
   isClaimed: boolean;
   isVerified: boolean;
+  /** Only sent for a single author; undefined means not loaded. */
+  verificationMethods?: VerificationMethod[];
   userId?: number;
   editorOfHubs?: Topic[];
   isHubEditor?: boolean;
@@ -99,6 +103,7 @@ export const transformAuthorProfile = createTransformer<any, AuthorProfile>((raw
     isClaimed: isClaimed,
     userId: raw.user_id || undefined,
     isVerified: raw.is_verified || false,
+    verificationMethods: raw.verification_methods,
     isHubEditor: raw.is_hub_editor || false,
     editorOfHubs: (raw.is_hub_editor_of || []).map((topic: any) => transformTopic(topic)),
   };