diff --git a/data/data.yaml b/data/data.yaml
index 3df08fa..849b606 100644
--- a/data/data.yaml
+++ b/data/data.yaml
@@ -313,6 +313,7 @@ contributors:
     twitter: vorcigernix
     bio: Website, community calls | Zitrone founder, member of Developer DAO and Forefront
     roles: [ team ]
+    pretalxId: 18
 
   - id: hedvika
     name: Hedvika
diff --git a/src/lib/data.json b/src/lib/data.json
index e8aed62..b239ca3 100644
--- a/src/lib/data.json
+++ b/src/lib/data.json
@@ -38,7 +38,8 @@
       "bio": "Hackoholic Cryptonaut - Early Ethereum dev and blockchain pioneer",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 45
     },
     {
       "id": "rachel-oleary",
@@ -68,7 +69,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 47
     },
     {
       "id": "pavol-luptak",
@@ -79,7 +81,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 5
     },
     {
       "id": "dcbuilder",
@@ -110,7 +113,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 41
     },
     {
       "id": "william-mitsuda",
@@ -120,7 +124,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 10
     },
     {
       "id": "vojtech-simetka",
@@ -140,7 +145,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 15
     },
     {
       "id": "radek-svarz",
@@ -149,7 +155,8 @@
       "bio": "dCZK, Apus.finance",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 2
     },
     {
       "id": "lauri-peltonen",
@@ -159,7 +166,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 4
     },
     {
       "id": "jakub-jedlinsky",
@@ -168,7 +176,8 @@
       "bio": "Macroeconomist and analyst - Altlift.cz, lecturer at KMEV VŠE",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 21
     },
     {
       "id": "steffen-kux",
@@ -177,7 +186,8 @@
       "bio": "Co-founder, researcher, and developer at corpus.ventures",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 17
     },
     {
       "id": "max-hampshire",
@@ -187,7 +197,8 @@
       "bio": "Developer Relations for Nym, previously a smart contract developer and researcher",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 11
     },
     {
       "id": "danish-shabbir",
@@ -196,7 +207,8 @@
       "bio": "Privacy researcher and a fiction writer",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 12
     },
     {
       "id": "jan-zibner",
@@ -205,7 +217,8 @@
       "bio": "Lawyer specialising in intellectual property law and digital trends @ Artiffine",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 22
     },
     {
       "id": "dhadrien",
@@ -215,7 +228,8 @@
       "remote": true,
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 25
     },
     {
       "id": "chris-blec",
@@ -225,7 +239,8 @@
       "remote": true,
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 38
     },
     {
       "id": "six",
@@ -235,7 +250,8 @@
       "roles": [
         "speaker",
         "judge"
-      ]
+      ],
+      "pretalxId": 6
     },
     {
       "id": "nikete",
@@ -245,7 +261,8 @@
       "roles": [
         "mentor",
         "speaker"
-      ]
+      ],
+      "pretalxId": 27
     },
     {
       "id": "mykola-siusko",
@@ -254,7 +271,8 @@
       "bio": "Web3 fixer | Curing surveillance capitalism",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 28
     },
     {
       "id": "roman-mazur",
@@ -263,7 +281,8 @@
       "bio": "CEO & Co-founder @ Wido",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 37
     },
     {
       "id": "kurt-opsahl",
@@ -273,7 +292,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 3
     },
     {
       "id": "robert-de-groot",
@@ -283,7 +303,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 29
     },
     {
       "id": "anirudha-bose",
@@ -292,7 +313,8 @@
       "bio": "Wallet Engineer at Brave",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 33
     },
     {
       "id": "felix-leupold",
@@ -302,7 +324,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 39
     },
     {
       "id": "luca",
@@ -312,7 +335,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 40
     },
     {
       "id": "mario-havel",
@@ -342,7 +366,8 @@
       "roles": [
         "advisor",
         "judge"
-      ]
+      ],
+      "pretalxId": 48
     },
     {
       "id": "gabari",
@@ -408,7 +433,8 @@
       "bio": "Website, community calls | Zitrone founder, member of Developer DAO and Forefront",
       "roles": [
         "team"
-      ]
+      ],
+      "pretalxId": 18
     },
     {
       "id": "hedvika",
@@ -501,6 +527,6 @@
       "url": "https://worldcoin.org/"
     }
   ],
-  "time": "2022-11-09T15:43:11.590Z",
+  "time": "2022-11-09T16:32:04.176Z",
   "version": "v2022-10-16"
 }
\ No newline at end of file
diff --git a/src/routes/schedule/+page.js b/src/routes/schedule/+page.js
index 430a6f1..1e3b6f3 100644
--- a/src/routes/schedule/+page.js
+++ b/src/routes/schedule/+page.js
@@ -1,8 +1,9 @@
 /** @type {import('./$types').PageLoad} */
 
 import events from '$lib/events.json';
+import { contributorTypes, contributors } from '$lib/data.json';
 export const prerender = true;
 
 export async function load() {
-    return { events };
+    return { events, contributors };
 }
diff --git a/src/routes/schedule/+page.svelte b/src/routes/schedule/+page.svelte
index 1b25366..52c98ef 100644
--- a/src/routes/schedule/+page.svelte
+++ b/src/routes/schedule/+page.svelte
@@ -1,4 +1,7 @@
 <script>
+	import { time_ranges_to_array } from "svelte/internal";
+
+
 	export let data;
 	const today = new Date().getDay();
 	let selectedDay = today === 5 || today === 6 || today === 0 ? today : 5;
@@ -23,6 +26,16 @@
 		];
 		return `${dateObj.getHours()}:${minutes[0]} - ${endObj.getHours()}:${minutes[1]}`;
 	}
+
+	function contributorsData (arr) {
+		return arr.map(contributor => {
+			const item = data.contributors.find(c => c.pretalxId === contributor.id)
+			return {
+				id: item ? item.id : null,
+				name: item ? item.name : contributor.name 
+			}
+		})
+	}
 	//console.log(filteredEvents);
 </script>
 
@@ -84,25 +97,26 @@
 						<p class="leading-relaxed">
 							{evt.description}
 						</p>
-						<div class="col-start-2 row-start-1 row-end-3 mt-4 lg:mt-0 xl:mt-4">
-							<dt class="sr-only">Speakers</dt>
-							<dd class="flex justify-start -space-x-1.5">
-								{#each evt.speakers || [] as speaker}
-									<img
-										src={`/photos/contributors/${speaker.id}.jpg`}
-										alt={speaker.name}
-										class="w-6 h-6 rounded-full bg-slate-100 ring-2 ring-white grayscale"
-										loading="lazy"
-									/>
-								{/each}
-
-								<p class="pl-4 flex space-x-2 divide-x ">
-									{#each evt.speakers || [] as speaker}
-										<p class="pl-2">{speaker.name}</p>
+						{#if evt.speakers && evt.speakers.length > 0}
+							<div class="col-start-2 row-start-1 row-end-3 mt-4 lg:mt-0 xl:mt-4">
+								<dt class="sr-only">Speakers</dt>
+								<dd class="flex justify-start -space-x-1.5 gap-6">
+									{#each contributorsData(evt.speakers || []) as speaker}
+										<div class="flex gap-4">
+											{#if speaker.id}					
+												<img
+													src={`/photos/contributors/${speaker.id}.jpg`}
+													alt={speaker.name}
+													class="w-6 h-6 rounded-full bg-slate-100 ring-2 ring-white grayscale"
+													loading="lazy"
+												/>
+											{/if}
+											<p>{speaker.name}</p>
+										</div>
 									{/each}
-								</p>
-							</dd>
-						</div>
+								</dd>
+							</div>
+						{/if}
 					</div>
 				</div>
 			</div>
diff --git a/static/data.json b/static/data.json
index e8aed62..b239ca3 100644
--- a/static/data.json
+++ b/static/data.json
@@ -38,7 +38,8 @@
       "bio": "Hackoholic Cryptonaut - Early Ethereum dev and blockchain pioneer",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 45
     },
     {
       "id": "rachel-oleary",
@@ -68,7 +69,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 47
     },
     {
       "id": "pavol-luptak",
@@ -79,7 +81,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 5
     },
     {
       "id": "dcbuilder",
@@ -110,7 +113,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 41
     },
     {
       "id": "william-mitsuda",
@@ -120,7 +124,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 10
     },
     {
       "id": "vojtech-simetka",
@@ -140,7 +145,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 15
     },
     {
       "id": "radek-svarz",
@@ -149,7 +155,8 @@
       "bio": "dCZK, Apus.finance",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 2
     },
     {
       "id": "lauri-peltonen",
@@ -159,7 +166,8 @@
       "roles": [
         "speaker",
         "mentor"
-      ]
+      ],
+      "pretalxId": 4
     },
     {
       "id": "jakub-jedlinsky",
@@ -168,7 +176,8 @@
       "bio": "Macroeconomist and analyst - Altlift.cz, lecturer at KMEV VŠE",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 21
     },
     {
       "id": "steffen-kux",
@@ -177,7 +186,8 @@
       "bio": "Co-founder, researcher, and developer at corpus.ventures",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 17
     },
     {
       "id": "max-hampshire",
@@ -187,7 +197,8 @@
       "bio": "Developer Relations for Nym, previously a smart contract developer and researcher",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 11
     },
     {
       "id": "danish-shabbir",
@@ -196,7 +207,8 @@
       "bio": "Privacy researcher and a fiction writer",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 12
     },
     {
       "id": "jan-zibner",
@@ -205,7 +217,8 @@
       "bio": "Lawyer specialising in intellectual property law and digital trends @ Artiffine",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 22
     },
     {
       "id": "dhadrien",
@@ -215,7 +228,8 @@
       "remote": true,
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 25
     },
     {
       "id": "chris-blec",
@@ -225,7 +239,8 @@
       "remote": true,
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 38
     },
     {
       "id": "six",
@@ -235,7 +250,8 @@
       "roles": [
         "speaker",
         "judge"
-      ]
+      ],
+      "pretalxId": 6
     },
     {
       "id": "nikete",
@@ -245,7 +261,8 @@
       "roles": [
         "mentor",
         "speaker"
-      ]
+      ],
+      "pretalxId": 27
     },
     {
       "id": "mykola-siusko",
@@ -254,7 +271,8 @@
       "bio": "Web3 fixer | Curing surveillance capitalism",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 28
     },
     {
       "id": "roman-mazur",
@@ -263,7 +281,8 @@
       "bio": "CEO & Co-founder @ Wido",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 37
     },
     {
       "id": "kurt-opsahl",
@@ -273,7 +292,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 3
     },
     {
       "id": "robert-de-groot",
@@ -283,7 +303,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 29
     },
     {
       "id": "anirudha-bose",
@@ -292,7 +313,8 @@
       "bio": "Wallet Engineer at Brave",
       "roles": [
         "speaker"
-      ]
+      ],
+      "pretalxId": 33
     },
     {
       "id": "felix-leupold",
@@ -302,7 +324,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 39
     },
     {
       "id": "luca",
@@ -312,7 +335,8 @@
       "roles": [
         "speaker"
       ],
-      "remote": true
+      "remote": true,
+      "pretalxId": 40
     },
     {
       "id": "mario-havel",
@@ -342,7 +366,8 @@
       "roles": [
         "advisor",
         "judge"
-      ]
+      ],
+      "pretalxId": 48
     },
     {
       "id": "gabari",
@@ -408,7 +433,8 @@
       "bio": "Website, community calls | Zitrone founder, member of Developer DAO and Forefront",
       "roles": [
         "team"
-      ]
+      ],
+      "pretalxId": 18
     },
     {
       "id": "hedvika",
@@ -501,6 +527,6 @@
       "url": "https://worldcoin.org/"
     }
   ],
-  "time": "2022-11-09T15:43:11.590Z",
+  "time": "2022-11-09T16:32:04.176Z",
   "version": "v2022-10-16"
 }
\ No newline at end of file