diff --git a/app/components/admin/TalkForm.vue b/app/components/admin/TalkForm.vue
index f7c2e9bf..4f8a76ee 100644
--- a/app/components/admin/TalkForm.vue
+++ b/app/components/admin/TalkForm.vue
@@ -36,6 +36,7 @@ const pdsService = publicConfig.atproto?.service || null
 const pdsDid = publicConfig.atproto?.did || null
 
 const TYPES = ['conference', 'meetup', 'podcast', 'workshop', 'stream', 'talk'] as const
+const ROLES = ['speaker', 'keynote', 'panelist', 'host'] as const
 
 const form = reactive({
   title: props.initial?.title ?? '',
@@ -45,6 +46,7 @@ const form = reactive({
   source: props.initial?.source ?? '',
   location: props.initial?.location ?? '',
   type: (props.initial?.type as typeof TYPES[number]) ?? 'conference',
+  role: props.initial?.role ?? '',
   tags: (props.initial?.tags ?? []).join(', '),
   link: props.initial?.link ?? '',
   video: props.initial?.video ?? '',
@@ -148,6 +150,7 @@ async function onSubmit () {
       source: form.source,
       ...(form.location ? { location: form.location } : {}),
       type: form.type,
+      ...(form.role ? { role: form.role } : {}),
       ...(form.tags.trim() ? { tags: form.tags.split(',').map(t => t.trim()).filter(Boolean) } : {}),
       ...(form.link ? { link: form.link } : {}),
       ...(form.video ? { video: form.video } : {}),
@@ -267,6 +270,24 @@ async function onSubmit () {
           </option>
         </select>
       </label>
+      <label class="flex flex-col gap-1 text-sm">
+        <span class="text-muted">Role</span>
+        <select
+          v-model="form.role"
+          class="bg-accent px-3 py-2"
+        >
+          <option value="">
+            (default)
+          </option>
+          <option
+            v-for="r in ROLES"
+            :key="r"
+            :value="r"
+          >
+            {{ r }}
+          </option>
+        </select>
+      </label>
       <label class="flex flex-col gap-1 text-sm">
         <span class="text-muted">Group</span>
         <select
diff --git a/lexicons.ts b/lexicons.ts
index 968e9045..01f9eff8 100644
--- a/lexicons.ts
+++ b/lexicons.ts
@@ -87,6 +87,7 @@ export default defineLexicons('dev.roe', {
     source: field.text({ max: 512 }).describe('Conference name, meetup, podcast title, etc.'),
     location: field.text({ max: 512 }).describe('Free-form: city, country, or \'Online\'.').optional(),
     type: field.raw(l.string({ knownValues: ['conference', 'meetup', 'podcast', 'workshop', 'stream', 'talk'] })),
+    role: field.raw(l.string({ knownValues: ['speaker', 'keynote', 'panelist', 'host'], description: 'My role at the event. When absent, workshops count as `workshop` and podcasts and streams have no role.' })).optional(),
     tags: field.list(field.text({ max: 64 }), { max: 32 }).optional(),
     link: field.url().describe('Event page, podcast episode URL, etc.').optional(),
     video: field.url().optional(),
diff --git a/modules/sync/providers/sifa.ts b/modules/sync/providers/sifa.ts
index fb3fd4d8..bc718413 100644
--- a/modules/sync/providers/sifa.ts
+++ b/modules/sync/providers/sifa.ts
@@ -29,6 +29,13 @@ export const SIFA_PROJECT_CATEGORIES = new Set([
 const VIRTUAL_LOCATIONS = new Set(['🌐', '🌍', '🌎', '🌏'])
 const VIRTUAL_TYPES = new Set(['podcast', 'stream'])
 
+const ROLES: Record<string, Delivery['role']> = {
+  speaker: 'id.sifa.defs#presenter',
+  keynote: 'id.sifa.defs#keynote',
+  panelist: 'id.sifa.defs#panelist',
+  host: 'id.sifa.defs#host',
+}
+
 const REGIONS: Record<string, string> = {
   gbeng: 'England',
   gbsct: 'Scotland',
@@ -77,9 +84,9 @@ export function toDelivery ({ rkey, value }: Source<TalkRecord>, presentationUri
   const isVirtual = VIRTUAL_TYPES.has(value.type) || VIRTUAL_LOCATIONS.has(value.location?.replace(/\uFE0F/g, '') ?? '')
   const presentationUri = value.group && presentationUris.get(rkeyFromUri(value.group.uri))
   const address = isVirtual ? undefined : addressFromFlag(value.location)
-  const role = value.type === 'workshop'
+  const role = (value.role && ROLES[value.role]) || (value.type === 'workshop'
     ? 'id.sifa.defs#workshop'
-    : VIRTUAL_TYPES.has(value.type) ? undefined : 'id.sifa.defs#presenter'
+    : VIRTUAL_TYPES.has(value.type) ? undefined : 'id.sifa.defs#presenter')
 
   const links: PresentationLink[] = []
   if (value.video) links.push({ uri: value.video as l.UriString, type: 'id.sifa.defs#linkRecording' })
diff --git a/shared/cms/talk-mapper.ts b/shared/cms/talk-mapper.ts
index aa3f3d61..7f0a6b6f 100644
--- a/shared/cms/talk-mapper.ts
+++ b/shared/cms/talk-mapper.ts
@@ -18,7 +18,7 @@ export interface PdsTalkGroupInput {
 }
 
 export function toTalk (input: PdsTalkInput, group?: PdsTalkGroupInput): Talk {
-  const { $type, createdAt, endDate, location, image, title, group: _strongRef, ...passthrough } = input.value
+  const { $type, createdAt, endDate, location, image, title, role, group: _strongRef, ...passthrough } = input.value
   return {
     ...passthrough,
     _id: rkeyFromUri(input.uri),
diff --git a/shared/cms/talks.ts b/shared/cms/talks.ts
index 60471f94..6f10bc72 100644
--- a/shared/cms/talks.ts
+++ b/shared/cms/talks.ts
@@ -7,7 +7,7 @@ export type TalkGroup = Omit<TalkGroupRecord, DroppedHousekeeping> & {
   _id: string
 }
 
-export type Talk = Omit<TalkRecord, DroppedHousekeeping | UpcomingOnly | 'title' | 'group'> & {
+export type Talk = Omit<TalkRecord, DroppedHousekeeping | UpcomingOnly | 'title' | 'role' | 'group'> & {
   _id: string
   title: string
   group?: TalkGroup
diff --git a/test/unit/sifa.spec.ts b/test/unit/sifa.spec.ts
index 2b756755..d4869651 100644
--- a/test/unit/sifa.spec.ts
+++ b/test/unit/sifa.spec.ts
@@ -86,6 +86,11 @@ describe('toDelivery', () => {
     expect(toDelivery(talk({ type: 'workshop' }), presentationUris).role).toBe('id.sifa.defs#workshop')
   })
 
+  it('maps an explicit role', () => {
+    expect(toDelivery(talk({ type: 'conference', role: 'keynote' }), presentationUris).role).toBe('id.sifa.defs#keynote')
+    expect(toDelivery(talk({ type: 'stream', role: 'host' }), presentationUris).role).toBe('id.sifa.defs#host')
+  })
+
   it('omits references to unknown groups', () => {
     const delivery = toDelivery(talk({ group: { uri: `at://${did}/dev.roe.talkGroup/3aaaaaaaaaaaa`, cid: 'bafy' } as TalkRecord['group'] }), presentationUris)