diff --git a/src/_data/navigation.yml b/src/_data/navigation.yml
index c5d9aff..03b254a 100644
--- a/src/_data/navigation.yml
+++ b/src/_data/navigation.yml
@@ -1,91 +1,93 @@
 main:
-  - title: "Search"
-    url: index.html
-  - title: "Ranking"
+- title: Search
+  url: index.html
+- title: Ranking
+  url: combined_rankings.html
+  children:
+  - title: Author Ranking
     url: combined_rankings.html
-    children:
-      - title: "Author Ranking"
-        url: combined_rankings.html
-      - title: "Institution Ranking"
-        url: institution_rankings.html
-      - title: "Systems vs. Security"
-        url: overview.html
-      - title: "Geographic Statistics"
-        url: statistics/
-      - title: "Profiles"
-        url: profile.html
-  - title: "Security"
+  - title: Institution Ranking
+    url: institution_rankings.html
+  - title: Systems vs. Security
+    url: overview.html
+  - title: Geographic Statistics
+    url: statistics/
+  - title: Profiles
+    url: profile.html
+- title: Security
+  url: security/
+  children:
+  - title: Overview
     url: security/
-    children:
-      - title: "Overview"
-        url: security/
-      - title: "ACSAC"
-        url: security/acsac.html
-      - title: "CHES"
-        url: security/ches.html
-      - title: "NDSS"
-        url: security/ndss.html
-      - title: "IEEE S&P"
-        url: security/sp.html
-      - title: "PETS"
-        url: security/pets.html
-      - title: "SysTEX"
-        url: security/systex.html
-      - title: "USENIX Security"
-        url: security/usenixsec.html
-      - title: "WOOT"
-        url: security/woot.html
-  - title: "Systems"
+  - title: ACSAC
+    url: security/acsac.html
+  - title: CHES
+    url: security/ches.html
+  - title: IEEE S&P
+    url: security/sp.html
+  - title: NDSS
+    url: security/ndss.html
+  - title: PETS
+    url: security/pets.html
+  - title: SysTEX
+    url: security/systex.html
+  - title: USENIX Security
+    url: security/usenixsec.html
+  - title: USENIX VehicleSec
+    url: security/vehiclesec.html
+  - title: WOOT
+    url: security/woot.html
+- title: Systems
+  url: systems/
+  children:
+  - title: Overview
     url: systems/
-    children:
-      - title: "Overview"
-        url: systems/
-      - title: "ATC"
-        url: systems/atc.html
-      - title: "CAIS"
-        url: systems/cais.html
-      - title: "EuroSys"
-        url: systems/eurosys.html
-      - title: "FAST"
-        url: systems/fast.html
-      - title: "OSDI"
-        url: systems/osdi.html
-      - title: "SC"
-        url: systems/sc.html
-      - title: "SOSP"
-        url: systems/sosp.html
-  - title: "AE Committees"
+  - title: ACM CAIS
+    url: systems/cais.html
+  - title: EuroSys
+    url: systems/eurosys.html
+  - title: OSDI
+    url: systems/osdi.html
+  - title: SC
+    url: systems/sc.html
+  - title: SOSP
+    url: systems/sosp.html
+  - title: USENIX ATC
+    url: systems/atc.html
+  - title: USENIX FAST
+    url: systems/fast.html
+- title: AE Committees
+  url: committee.html
+  children:
+  - title: Overview
     url: committee.html
-    children:
-      - title: "Overview"
-        url: committee.html
-      - title: "Ranking"
-        url: combined_rankings.html?contrib=ae
-      - title: "Chair Statistics"
-        url: ae_chairs.html
-      - title: "Systems Statistics"
-        url: systems/committee.html
-      - title: "Security Statistics"
-        url: security/committee.html
-  - title: "Repository Stats"
+  - title: Ranking
+    url: combined_rankings.html?contrib=ae
+  - title: Chair Statistics
+    url: ae_chairs.html
+  - title: Systems Statistics
+    url: systems/committee.html
+  - title: Security Statistics
+    url: security/committee.html
+- title: Repository Stats
+  url: repo_stats.html
+  children:
+  - title: Overview
     url: repo_stats.html
-    children:
-      - title: "Overview"
-        url: repo_stats.html
-      - title: "Systems"
-        url: systems/repo_stats.html
-      - title: "Security"
-        url: security/repo_stats.html
-  - title: "Methodology"
-    url: methodology.html
-  - title: "Contribute"
+  - title: Systems
+    url: systems/repo_stats.html
+  - title: Security
+    url: security/repo_stats.html
+- title: Methodology
+  url: methodology.html
+- title: Contribute
+  url: about.html
+  children:
+  - title: Overview
     url: about.html
-    children:
-      - title: "Overview"
-        url: about.html
-      - title: "Repositories"
-        url: https://github.com/reprodb
-      - title: "Documentation"
-        url: https://reprodb.github.io/reprodb-pipeline/
-      - title: "Data Schemas"
-        url: https://reprodb.github.io/data-schemas/
+  - title: Repositories
+    url: https://github.com/reprodb
+  - title: Documentation
+    url: https://reprodb.github.io/reprodb-pipeline/
+  - title: Data Schemas
+    url: https://reprodb.github.io/data-schemas/
diff --git a/src/_includes/head/custom.html b/src/_includes/head/custom.html
index 48af5c3..612987e 100644
--- a/src/_includes/head/custom.html
+++ b/src/_includes/head/custom.html
@@ -36,11 +36,11 @@
      Note: unsafe-eval is required by Alpine.js for expression evaluation. -->
 <meta http-equiv="Content-Security-Policy"
       content="default-src 'self';
-               script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cdn.jsdelivr.net;
+               script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cdn.jsdelivr.net https://www.googletagmanager.com;
                style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://fonts.googleapis.com;
                font-src 'self' https://cdn.jsdelivr.net https://fonts.gstatic.com data:;
                img-src 'self' data: https:;
-               connect-src 'self' https://cdn.jsdelivr.net;
+               connect-src 'self' https://cdn.jsdelivr.net https://www.google-analytics.com https://analytics.google.com https://www.googletagmanager.com;
                object-src 'none';
                base-uri 'self';
                form-action 'self'">
diff --git a/src/assets/css/reprodb-profile.css b/src/assets/css/reprodb-profile.css
index dba72b2..803098c 100644
--- a/src/assets/css/reprodb-profile.css
+++ b/src/assets/css/reprodb-profile.css
@@ -111,6 +111,13 @@
 .role-artifact { background:#2980b9; }
 .role-evaluation { background:#27ae60; }
 
+/* Chair-star indicator used in author/institution profile cards and tables. */
+.chair-stars {
+  color: #d18c00;
+  letter-spacing: 0.02em;
+  white-space: nowrap;
+}
+
 /* ── Unified search result type labels ─────────────────────────────────── */
 .sr-type { display:inline-block; padding:1px 6px; border-radius:3px; font-size:0.72em; color:#fff; margin-right:6px; vertical-align:middle; }
 .sr-type-author { background:#2980b9; }
@@ -180,3 +187,4 @@ html[data-theme="dark"] .ae-detail-row td,
 html[data-theme="dark"] .ae-detail-row:hover { background: #23272d; }
 html[data-theme="dark"] .ranking-history-details summary::before { color: #aab0b8; }
 html[data-theme="dark"] .avail-warn { color: #f0c040; background: #332b00; border-color: #665500; }
+html[data-theme="dark"] .chair-stars { color: #f5c44c; }
diff --git a/src/assets/js/reprodb-profile-page.js b/src/assets/js/reprodb-profile-page.js
index 5eae90a..6a3c3bf 100644
--- a/src/assets/js/reprodb-profile-page.js
+++ b/src/assets/js/reprodb-profile-page.js
@@ -118,7 +118,7 @@
     }
     c += card(p.artifact_count, 'Artifacts') + card(p.total_papers, 'Total Papers') + card(p.artifact_pct + '%', 'Artifact Rate');
     if (p.ae_memberships) c += card(p.ae_memberships, 'AE Memberships');
-    if (p.chair_count) c += card(p.chair_count, 'Chair Roles');
+    if (p.chair_count) c += card(P.chairDisplayAuthor(p.chair_count), 'Chair Roles');
     document.getElementById('score-cards').innerHTML = c;
 
     // Papers table
@@ -252,7 +252,7 @@
     c += card((inst.artifact_pct || 0) + '%', 'Artifact Rate');
     var reproRate = inst.artifact_count > 0 ? Math.round(((inst.badges_reproducible || 0) / inst.artifact_count) * 100) : 0;
     c += card(reproRate + '%', 'Repro Rate') + card(inst.ae_memberships || 0, 'AE Memberships');
-    if (inst.chair_count) c += card(inst.chair_count, 'Chair Roles');
+    if (inst.chair_count) c += card(P.chairDisplayInstitution(inst.chair_count), 'Chair Roles');
     if (inst._denseRank) {
       c += card('#' + inst._denseRank, 'Rank');
     } else if (instHistory.length >= 2) {
@@ -287,7 +287,11 @@
           { title: 'Artifacts', field: 'artifact_count', sorter: 'number' },
           { title: 'Papers', field: 'total_papers', sorter: 'number' },
           { title: 'AE Svc', field: 'ae_memberships', sorter: 'number' },
-          { title: 'Chair', field: 'chair_count', sorter: 'number', formatter: function(cell) { var v = cell.getValue(); return v ? v + ' \u2605' : ''; } }
+          { title: 'Chair', field: 'chair_count', sorter: 'number', formatter: function(cell) {
+            var v = Number(cell.getValue()) || 0;
+            if (!v) return '';
+            return P.chairDisplayAuthor(v);
+          } }
         ]
       });
     } else {
diff --git a/src/assets/js/reprodb-profile.js b/src/assets/js/reprodb-profile.js
index 03f8056..a81ee2c 100644
--- a/src/assets/js/reprodb-profile.js
+++ b/src/assets/js/reprodb-profile.js
@@ -28,6 +28,28 @@ var ReproDBProfile = (function() {
     return '<div class="rdb-card"><div class="rdb-card-value">' + value + '</div><div class="rdb-card-label">' + label + '</div></div>';
   }
 
+  function renderStars(n) {
+    var count = Number(n) || 0;
+    if (count <= 0) return '';
+    return Array(count + 1).join('\u2605');
+  }
+
+  // Author profile: direct one-star-per-chair mapping.
+  function chairDisplayAuthor(chairCount) {
+    var chairs = Number(chairCount) || 0;
+    if (chairs <= 0) return '0';
+    return chairs + ' <span class="chair-stars" aria-label="' + chairs + ' chair roles">' + renderStars(chairs) + '</span>';
+  }
+
+  // Institution profile: compressed mapping to reduce skew.
+  // Formula: stars = max(1, floor(chair_count / 2)), so 1->1, 2->1, 3->1, 4->2, 5->2.
+  function chairDisplayInstitution(chairCount) {
+    var chairs = Number(chairCount) || 0;
+    if (chairs <= 0) return '0';
+    var stars = Math.max(1, Math.floor(chairs / 2));
+    return chairs + ' <span class="chair-stars" aria-label="' + stars + ' stars from ' + chairs + ' chair roles">' + renderStars(stars) + '</span>';
+  }
+
   /**
    * Initialise search/autocomplete, share button, and URL management.
    *
@@ -230,6 +252,8 @@ var ReproDBProfile = (function() {
     cleanName: cleanName,
     badgeHtml: badgeHtml,
     card: card,
+    chairDisplayAuthor: chairDisplayAuthor,
+    chairDisplayInstitution: chairDisplayInstitution,
     initSearch: initSearch,
     parseAEEntry: parseAEEntry,
     renderHistoryChart: renderHistoryChart