diff --git a/src/pages/index.js b/src/pages/index.js
index 8f9c0c0..8281731 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -19,7 +19,7 @@ const ROLES = [
     location: 'Bern, CH',
     title: 'Staff Data, Analytics & AI Engineer',
     description:
-      'ETL and streaming pipelines in Python, Kafka and SAP BODS feeding a Teradata warehouse, while migrating the legacy stack onto AWS (Glue, Redshift, Lambda, Step Functions, Airflow).',
+      'ETL and streaming pipelines in Python and Kafka feeding a Teradata warehouse, while migrating the legacy stack onto AWS (Glue, Redshift, Lambda, Step Functions, Airflow).',
     live: true,
   },
   {
@@ -58,10 +58,26 @@ const ROLES = [
 
 const STACK = [
   { label: 'Languages', items: ['Python', 'SQL', 'Java', 'C#', 'TypeScript', 'C++'] },
-  { label: 'Data & Pipelines', items: ['ETL / ELT', 'Kafka', 'Airflow', 'SAP BODS', 'Teradata', 'Hadoop / Impala'] },
+  { label: 'Data & Pipelines', items: ['ETL / ELT', 'Kafka', 'Airflow', 'Teradata', 'Hadoop / Impala'] },
   { label: 'Cloud & Infra', items: ['AWS', 'Docker', 'Kubernetes', 'Ansible', 'CI/CD'] },
   { label: 'ML & Observability', items: ['PyTorch', 'scikit-learn', 'ELK', 'Grafana', 'Prometheus'] },
-  { label: 'Credentials', items: ['M.Eng., UniBw München', 'AWS Solutions Architect – Associate', 'iSAQB CPSA-F'] },
+]
+
+const CREDENTIALS = [
+  {
+    label: 'Education',
+    items: ['M.Eng., UniBw München', 'Master’s thesis at Tongji University, Shanghai'],
+  },
+  {
+    label: 'Certifications',
+    items: [
+      'AWS Solutions Architect – Associate',
+      'Data Engineering with AWS (Udacity)',
+      'IBM AI Engineering (Coursera)',
+      'AI for Trading (Udacity)',
+      'iSAQB CPSA-F',
+    ],
+  },
 ]
 
 const Tags = ({ items }) =>
@@ -72,6 +88,19 @@ const Tags = ({ items }) =>
     </React.Fragment>
   ))
 
+const StackGroups = ({ groups }) => (
+  <div className="stack">
+    {groups.map((group) => (
+      <div className="group" key={group.label}>
+        <p className="group__label">{group.label}</p>
+        <p className="group__tags">
+          <Tags items={group.items} />
+        </p>
+      </div>
+    ))}
+  </div>
+)
+
 const IndexPage = () => (
   <Layout>
     <Helmet>
@@ -157,16 +186,12 @@ const IndexPage = () => (
 
       <section className="section">
         <h2 className="section__label">Stack</h2>
-        <div className="stack">
-          {STACK.map((group) => (
-            <div className="group" key={group.label}>
-              <p className="group__label">{group.label}</p>
-              <p className="group__tags">
-                <Tags items={group.items} />
-              </p>
-            </div>
-          ))}
-        </div>
+        <StackGroups groups={STACK} />
+      </section>
+
+      <section className="section">
+        <h2 className="section__label">Credentials</h2>
+        <StackGroups groups={CREDENTIALS} />
       </section>
 
       <section className="section">