diff --git a/components/RolesTable.vue b/components/RolesTable.vue
new file mode 100644
index 0000000..f6af6a7
--- /dev/null
+++ b/components/RolesTable.vue
@@ -0,0 +1,217 @@
+<template>
+	<div>
+		<table>
+			<thead>
+				<tr>
+					<th>id</th>
+					<th>name</th>
+					<th>description</th>
+					<th v-if="edit"></th>
+				</tr>
+			</thead>
+			<tbody>
+				<template v-if="edit">
+					<tr
+						v-for="role in roles"
+						:key="role.id"
+						:class="{ removed: removed.has(role.id) }"
+					>
+						<td>{{ role.id }}</td>
+						<td>
+							<input
+								type="text"
+								:value="role.name"
+								@input="editRole(role, { name: ($event as any).target.value })"
+							>
+						</td>
+						<td>
+							<input
+								type="text"
+								:value="role.description"
+								@input="editRole(role, { description: ($event as any).target.value })"
+							>
+						</td>
+						<td>
+							<button
+								type="button"
+								:disabled="removed.has(role.id)"
+								@click="delRole(role.id)"
+							>Delete</button>
+							<button
+								v-if="changes.some(c => c.data.id === role.id)"
+								type="button"
+								@click="revertRole(role.id)"
+							>Revert</button>
+						</td>
+					</tr>
+					<tr>
+						<td>{{ toId(newRoleName) }}</td>
+						<td>
+							<input
+								type="text"
+								v-model="newRoleName"
+							>
+						</td>
+						<td>
+							<input
+								type="text"
+								v-model="newRoleDescription"
+							>
+						</td>
+						<td>
+							<button
+								v-if="roleExists(newRoleName)"
+								disabled
+							>Role already exists</button>
+							<button
+								v-else
+								type="button"
+								@click="newRole"
+							>Add Role</button>
+						</td>
+					</tr>
+				</template>
+				<template v-else>
+					<tr
+						v-for="role in roles"
+						:key="role.id"
+					>
+						<td>{{ role.id }}</td>
+						<td>{{ role.name }}</td>
+						<td>{{ role.description }}</td>
+					</tr>
+				</template>
+			</tbody>
+		</table>
+		<p v-if="changes.length">
+			Changes are not saved yet.
+			<button
+				type="button"
+				@click="saveRoles"
+			>Save Changes</button>
+		</p>
+		<details>
+			<summary>Debug</summary>
+			<ol>
+				<li v-for="change in changes">
+					{{ JSON.stringify(change) }}
+				</li>
+			</ol>
+		</details>
+	</div>
+</template>
+
+<script lang="ts" setup>
+import type { ChangeRecord, Role } from '~/shared/types/schedule';
+import { applyChangeArray } from '~/shared/utils/changes';
+import { toId } from '~/shared/utils/functions';
+
+defineProps<{
+	edit?: boolean,
+}>();
+
+const schedule = await useSchedule();
+
+const changes = ref<ChangeRecord<Role>[]>([]);
+const removed = computed(() => new Set(changes.value.filter(c => c.op === "del").map(c => c.data.id)));
+function replaceChange(
+	change: ChangeRecord<Role>,
+	changes: ChangeRecord<Role>[],
+) {
+	const index = changes.findIndex(item => (
+		item.op === change.op && item.data.id === change.data.id
+	));
+	const copy = [...changes];
+	if (index !== -1)
+		copy.splice(index, 1, change);
+	else
+		copy.push(change);
+	return copy;
+}
+function revertChange(id: string, changes: ChangeRecord<Role>[]) {
+	return changes.filter(change => change.data.id !== id);
+}
+
+const newRoleName = ref("");
+const newRoleDescription = ref("");
+function editRole(
+	role: Role,
+	edits: { name?: string, description?: string }
+) {
+	const copy = { ...role };
+	if (edits.name !== undefined) {
+		copy.name = edits.name;
+	}
+	if (edits.description !== undefined) {
+		copy.description = edits.description || undefined;
+	}
+	const change = { op: "set" as const, data: copy };
+	changes.value = replaceChange(change, changes.value);
+}
+function delRole(id: string) {
+	const change = { op: "del" as const, data: { id } };
+	changes.value = replaceChange(change, changes.value);
+}
+function revertRole(id: string) {
+	changes.value = revertChange(id, changes.value);
+}
+function roleExists(name: string) {
+	const id = toId(name);
+	return (
+		schedule.value.roles?.some(e => e.id === id)
+		|| changes.value.some(c => c.data.id === id)
+	);
+}
+function newRole() {
+	if (roleExists(newRoleName.value)) {
+		alert(`Role ${newRoleName.value} already exists`);
+		return;
+	}
+	const change = {
+		op: "set" as const,
+		data: {
+			id: toId(newRoleName.value),
+			name: newRoleName.value,
+			description: newRoleDescription.value || undefined,
+			slots: [],
+		},
+	};
+	changes.value = replaceChange(change, changes.value);
+	newRoleName.value = "";
+	newRoleDescription.value = "";
+}
+async function saveRoles() {
+	try {
+		await $fetch("/api/schedule", {
+			method: "PATCH",
+			body: { roles: changes.value },
+		});
+		changes.value = [];
+	} catch (err: any) {
+		console.error(err);
+		alert(err?.data?.message ?? err.message);
+	}
+}
+
+const roles = computed(() => {
+	const data = [...schedule.value.roles ?? []];
+	applyChangeArray(changes.value.filter(change => change.op === "set"), data);
+	return data;
+});
+</script>
+
+<style scoped>
+table {
+	border-spacing: 0;
+}
+table th {
+	text-align: left;
+	border-bottom: 1px solid var(--foreground);
+}
+table :is(th, td) + :is(th, td) {
+	padding-inline-start: 0.4em;
+}
+.removed :is(td, input) {
+	text-decoration: line-through;
+}
+</style>
diff --git a/pages/edit.vue b/pages/edit.vue
index 62648d5..5ada771 100644
--- a/pages/edit.vue
+++ b/pages/edit.vue
@@ -24,6 +24,8 @@
 		<ScheduleTable :edit="true" :location="locationFilter" />
 		<h2>Events</h2>
 		<EventsTable :edit="true" />
+		<h2>Roles</h2>
+		<RolesTable :edit="true" />
 	</main>
 </template>