diff --git a/Vektoren in der Datenbank.pptx b/Vektoren in der Datenbank.pptx
index 9c957f6..f85bfce 100644
Binary files a/Vektoren in der Datenbank.pptx and b/Vektoren in der Datenbank.pptx differ
diff --git a/make_presentation.py b/make_presentation.py
index 21eaf7f..3fe5e8a 100644
--- a/make_presentation.py
+++ b/make_presentation.py
@@ -487,7 +487,62 @@ txb(s, f"{EVENT_DATE}  ·  {EVENT_CITY}",
 s.shapes.add_picture(LOGO_PATH, Inches(4.67), Inches(6.1), Inches(4.0), Inches(1.06))
 
 # ════════════════════════════════════════════════════════════════════════════
-# Slide 2 — Motivation: Der VECTOR-Datentyp
+# Slide 2 — Über den Referenten
+# ════════════════════════════════════════════════════════════════════════════
+s = add_slide(logo=False, footer=False)
+section_header(s, "Über den Referenten", ACCENT_PG)
+
+# Logo top-right — below the accent bar (y=0.14), correct 4.46:1 ratio
+s.shapes.add_picture(LOGO_PATH, Inches(9.63), Inches(0.22), Inches(3.5), Inches(0.785))
+
+# Photo — correct 2:3 ratio (3471×5206 px), dark bg blends with slide theme
+s.shapes.add_picture("/home/dierk/Bilder/Porträt Pro Neg 2.jpg",
+    Inches(0.4), Inches(1.1), Inches(3.4), Inches(5.1))
+
+# Name + title
+txb(s, "Dierk Lenz",
+    Inches(4.3), Inches(1.2), Inches(8.7), Inches(0.7),
+    size=32, bold=True, color=TITLE_CLR)
+txb(s, "Inhaber & Geschäftsführer  ·  Dierk Lenz Consulting GmbH",
+    Inches(4.3), Inches(1.9), Inches(8.7), Inches(0.45),
+    size=18, color=ACCENT_PG)
+
+# Dividers starting after the photo (x=4.2, not cutting into photo)
+for div_y in [Inches(2.45), Inches(4.65)]:
+    ln = s.shapes.add_shape(1, Inches(4.2), div_y, Inches(8.83), Pt(1))
+    ln.fill.solid(); ln.fill.fore_color.rgb = RGBColor(0x44, 0x47, 0x5a)
+    ln.line.fill.background()
+
+# Career timeline — year in accent, description in body colour
+for y_pos, year, desc in [
+    (2.60, "1983 – 1989", "Informatik-Studium, RWTH Aachen"),
+    (3.10, "1989 – 1995", "Senior Systemberater, Oracle Deutschland, Düsseldorf"),
+    (3.60, "1995 / 1996", "Co-Gründer Herrmann & Lenz (GbR & GmbH)"),
+    (4.10, "2026",        "Gründer & Geschäftsführer, Dierk Lenz Consulting GmbH"),
+]:
+    txb(s, year, Inches(4.3), Inches(y_pos), Inches(1.7), Inches(0.45),
+        size=15, bold=True, color=ACCENT_PG)
+    txb(s, desc, Inches(6.1), Inches(y_pos), Inches(6.9), Inches(0.45),
+        size=15, color=BODY_CLR)
+
+# Oracle expertise
+txb(s, "Oracle Database von Version 6 bis Oracle AI Database 26ai",
+    Inches(4.3), Inches(4.78), Inches(8.7), Inches(0.4),
+    size=16, bold=True, color=ACCENT_ORA)
+txb(s, "Schulungen  ·  Workshops  ·  Vorträge  ·  Projekte",
+    Inches(4.3), Inches(5.22), Inches(8.7), Inches(0.4),
+    size=15, color=BODY_CLR)
+
+# Books
+txb(s, "Co-Autor:",
+    Inches(4.3), Inches(5.7), Inches(1.3), Inches(0.35),
+    size=13, bold=True, color=DIM_CLR)
+txb(s, "Oracle 7.3  ·  Oracle8 für den DBA  ·  Oracle 9i für den DBA  ·  Oracle 10g für den DBA  ·  Oracle 11g R2 für den DBA",
+    Inches(5.65), Inches(5.7), Inches(7.35), Inches(0.35),
+    size=13, color=DIM_CLR, italic=True)
+
+# ════════════════════════════════════════════════════════════════════════════
+# Slide 3 — Motivation: Der VECTOR-Datentyp
 # ════════════════════════════════════════════════════════════════════════════
 s = add_slide()
 section_header(s, "Der VECTOR-Datentyp", ACCENT_PG)