Update data.json

src/app/sections/4-speakers/data.json

@@ -1,9 +1,9 @@
 [
   {
-    "name": "John Doe",
-    "title": "CEO",
-    "image": "/images/speakers/sample.jpg",
-    "bio": "John Doe is a web developer, designer, and entrepreneur. He has over 10 years of experience working with clients to develop their brands and websites."
+    "name": "Dorothea Bozicolona-Volpe",
+    "title": "Strategic Digital Marketing Executive",
+    "image": "/images/speakers/bozicolona-volpe.jpg",
+    "bio": "Dorothéa Bozicolona-Volpe is a strategic digital marketing executive fluent in four languages, specializing in digital transformation, branding, and social media marketing for major global brands. A TED speaker and Webby Awards judge, she has been featured as a marketing expert on CBS and CNN, working with clients like IBM, L’Oréal, and Coca-Cola."
   },
   {
     "name": "Jane Doe",