diff --git a/apps/web/modules/event-types/components/AddMembersWithSwitch.tsx b/apps/web/modules/event-types/components/AddMembersWithSwitch.tsx
index 216487786398d1..a9f1f59bb91e01 100644
--- a/apps/web/modules/event-types/components/AddMembersWithSwitch.tsx
+++ b/apps/web/modules/event-types/components/AddMembersWithSwitch.tsx
@@ -32,7 +32,7 @@ interface IUserToValue {
 }
 
 export const mapUserToValue = (
-  { id, name, username, avatar, email, defaultScheduleId }: IUserToValue,
+  { id, name, username, avatar, email, defaultScheduleId, isOptional }: IUserToValue & { isOptional?: boolean },
   pendingString: string
 ) => ({
   value: `${id || ""}`,
@@ -40,6 +40,7 @@ export const mapUserToValue = (
   avatar,
   email,
   defaultScheduleId,
+  isOptional: isOptional || false,
 });
 
 const sortByLabel = (a: ReturnType<typeof mapUserToValue>, b: ReturnType<typeof mapUserToValue>) => {
diff --git a/apps/web/public/static/locales/en/common.json b/apps/web/public/static/locales/en/common.json
index 783a940ded1a2f..ddee57d0ba5470 100644
--- a/apps/web/public/static/locales/en/common.json
+++ b/apps/web/public/static/locales/en/common.json
@@ -4631,5 +4631,9 @@
   "last_6_months": "Last 6 months",
   "last_12_months": "Last 12 months",
   "calendar_events_disabled_video_limitation": "When calendar events are disabled, meeting links cannot be generated for apps whose link generation is tied to calendar event creation, for example, Google Meet and Microsoft Teams. Other video apps like Cal Video will continue to work.",
+  "make_optional": "Make optional",
+  "make_required": "Make required",
+  "optional": "Optional",
+  "required": "Required",
   "ADD_NEW_STRINGS_ABOVE_THIS_LINE_TO_PREVENT_MERGE_CONFLICTS": "↑↑↑↑↑↑↑↑↑↑↑↑↑ Add your new strings above here ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑"
 }
diff --git a/packages/features/availability/lib/getAggregatedAvailability/getAggregatedAvailability.ts b/packages/features/availability/lib/getAggregatedAvailability/getAggregatedAvailability.ts
index 0dc5dfbb6e600d..8e4ba2c3a14acb 100644
--- a/packages/features/availability/lib/getAggregatedAvailability/getAggregatedAvailability.ts
+++ b/packages/features/availability/lib/getAggregatedAvailability/getAggregatedAvailability.ts
@@ -26,7 +26,7 @@ export const getAggregatedAvailability = (
   userAvailability: {
     dateRanges: DateRange[];
     oooExcludedDateRanges: DateRange[];
-    user?: { isFixed?: boolean; groupId?: string | null };
+    user?: { isFixed?: boolean; groupId?: string | null; isOptional?: boolean };
   }[],
   schedulingType: SchedulingType | null
 ): DateRange[] => {
@@ -36,14 +36,14 @@ export const getAggregatedAvailability = (
     userAvailability.length > 1;
 
   const fixedHosts = userAvailability.filter(
-    ({ user }) => !schedulingType || schedulingType === SchedulingType.COLLECTIVE || user?.isFixed
+    ({ user }) => (!schedulingType || schedulingType === SchedulingType.COLLECTIVE || user?.isFixed) && !user?.isOptional
   );
 
   const fixedDateRanges = mergeOverlappingDateRanges(
     intersect(fixedHosts.map((s) => (!isTeamEvent ? s.dateRanges : s.oooExcludedDateRanges)))
   );
   const dateRangesToIntersect = fixedDateRanges.length ? [fixedDateRanges] : [];
-  const roundRobinHosts = userAvailability.filter(({ user }) => user?.isFixed !== true);
+  const roundRobinHosts = userAvailability.filter(({ user }) => user?.isFixed !== true && !user?.isOptional);
   if (roundRobinHosts.length) {
     // Group round robin hosts by their groupId
     const hostsByGroup = roundRobinHosts.reduce(
diff --git a/packages/features/eventtypes/components/CheckedTeamSelect.tsx b/packages/features/eventtypes/components/CheckedTeamSelect.tsx
index 7b27d319b5a0c4..1fc7e7fd32865e 100644
--- a/packages/features/eventtypes/components/CheckedTeamSelect.tsx
+++ b/packages/features/eventtypes/components/CheckedTeamSelect.tsx
@@ -28,6 +28,7 @@ export type CheckedSelectOption = {
   priority?: number;
   weight?: number;
   isFixed?: boolean;
+  isOptional?: boolean;
   disabled?: boolean;
   defaultScheduleId?: number | null;
   groupId: string | null;
@@ -136,6 +137,23 @@ export const CheckedTeamSelect = ({
               <div className="ml-auto flex items-center">
                 {option && !option.isFixed ? (
                   <>
+                    <Tooltip content={t(option.isOptional ? "make_required" : "make_optional")}>
+                      <Button
+                        color="minimal"
+                        onClick={() =>
+                          props.onChange(
+                            value.map((item) =>
+                              item.value === option.value ? { ...item, isOptional: !item.isOptional } : item
+                            )
+                          )
+                        }
+                        className={classNames(
+                          "mr-6 h-2 p-0 text-sm hover:bg-transparent",
+                          option.isOptional ? "text-orange-500" : "text-subtle"
+                        )}>
+                        {option.isOptional ? t("optional") : t("required")}
+                      </Button>
+                    </Tooltip>
                     <Tooltip content={t("change_priority")}>
                       <Button
                         color="minimal"
diff --git a/packages/features/eventtypes/lib/types.ts b/packages/features/eventtypes/lib/types.ts
index 06695d54c57227..754e1f228ccbd4 100644
--- a/packages/features/eventtypes/lib/types.ts
+++ b/packages/features/eventtypes/lib/types.ts
@@ -44,6 +44,7 @@ export type HostLocation = {
 
 export type Host = {
   isFixed: boolean;
+  isOptional: boolean;
   userId: number;
   priority: number;
   weight: number;
@@ -269,6 +270,7 @@ export type HostInput = {
   userId: number;
   profileId?: number | null;
   isFixed?: boolean;
+  isOptional?: boolean;
   priority?: number | null;
   weight?: number | null;
   scheduleId?: number | null;
diff --git a/packages/features/eventtypes/repositories/eventTypeRepository.ts b/packages/features/eventtypes/repositories/eventTypeRepository.ts
index 53831fe9cae7bc..7fc05f8b53b601 100644
--- a/packages/features/eventtypes/repositories/eventTypeRepository.ts
+++ b/packages/features/eventtypes/repositories/eventTypeRepository.ts
@@ -1484,6 +1484,7 @@ export class EventTypeRepository implements IEventTypesRepository {
         },
         hosts: {
           select: {
+            isOptional: true,
             user: {
               select: {
                 email: true,
diff --git a/packages/prisma/migrations/20260216210000_add_is_optional_to_host/migration.sql b/packages/prisma/migrations/20260216210000_add_is_optional_to_host/migration.sql
new file mode 100644
index 00000000000000..61823a592c20aa
--- /dev/null
+++ b/packages/prisma/migrations/20260216210000_add_is_optional_to_host/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Host" ADD COLUMN     "isOptional" BOOLEAN NOT NULL DEFAULT false;
diff --git a/packages/prisma/schema.prisma b/packages/prisma/schema.prisma
index 38ac05a73cb2d6..bc4305b5d9d111 100644
--- a/packages/prisma/schema.prisma
+++ b/packages/prisma/schema.prisma
@@ -66,6 +66,7 @@ model Host {
   isFixed          Boolean       @default(false)
   priority         Int?
   weight           Int?
+  isOptional       Boolean       @default(false)
   // weightAdjustment is deprecated. We not calculate the calibratino value on the spot. Plan to drop this column.
   weightAdjustment Int?
   schedule         Schedule?     @relation(fields: [scheduleId], references: [id])
diff --git a/packages/trpc/server/routers/viewer/eventTypes/heavy/update.handler.ts b/packages/trpc/server/routers/viewer/eventTypes/heavy/update.handler.ts
index 39217ad6223b35..dcc23d7b948d63 100644
--- a/packages/trpc/server/routers/viewer/eventTypes/heavy/update.handler.ts
+++ b/packages/trpc/server/routers/viewer/eventTypes/heavy/update.handler.ts
@@ -510,6 +510,7 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
         const hostData: {
           userId: number;
           isFixed: boolean;
+          isOptional: boolean;
           priority: number;
           weight: number;
           groupId: string | null | undefined;
@@ -526,6 +527,7 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
         } = {
           userId: host.userId,
           isFixed: data.schedulingType === SchedulingType.COLLECTIVE || host.isFixed || false,
+          isOptional: host.isOptional || false,
           priority: host.priority ?? 2,
           weight: host.weight ?? 100,
           groupId: host.groupId,
@@ -547,6 +549,7 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
       update: existingHosts.map((host) => {
         const updateData: {
           isFixed: boolean | undefined;
+          isOptional: boolean | undefined;
           priority: number;
           weight: number;
           scheduleId: number | null | undefined;
@@ -571,6 +574,7 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
           };
         } = {
           isFixed: data.schedulingType === SchedulingType.COLLECTIVE || host.isFixed,
+          isOptional: host.isOptional,
           priority: host.priority ?? 2,
           weight: host.weight ?? 100,
           scheduleId: host.scheduleId === undefined ? undefined : host.scheduleId,
diff --git a/packages/trpc/server/routers/viewer/eventTypes/types.ts b/packages/trpc/server/routers/viewer/eventTypes/types.ts
index 2d4e9cd7cbda15..258540683bab02 100644
--- a/packages/trpc/server/routers/viewer/eventTypes/types.ts
+++ b/packages/trpc/server/routers/viewer/eventTypes/types.ts
@@ -79,6 +79,7 @@ const hostSchema: z.ZodType<HostInput> = z.object({
   userId: z.number(),
   profileId: z.number().or(z.null()).optional(),
   isFixed: z.boolean().optional(),
+  isOptional: z.boolean().optional(),
   priority: z.number().min(0).max(4).optional().nullable(),
   weight: z.number().min(0).optional().nullable(),
   scheduleId: z.number().optional().nullable(),
diff --git a/packages/trpc/server/routers/viewer/slots/util.ts b/packages/trpc/server/routers/viewer/slots/util.ts
index 0260b13d8bf0a3..6381d3bf588336 100644
--- a/packages/trpc/server/routers/viewer/slots/util.ts
+++ b/packages/trpc/server/routers/viewer/slots/util.ts
@@ -741,11 +741,12 @@ export class AvailableSlotsService {
   }: {
     hosts: {
       isFixed?: boolean;
+      isOptional?: boolean;
       groupId?: string | null;
       user: GetAvailabilityUserWithDelegationCredentials;
     }[];
   }) {
-    return hosts.map(({ isFixed, groupId, user }) => ({ isFixed, groupId, ...user }));
+    return hosts.map(({ isFixed, isOptional, groupId, user }) => ({ isFixed, isOptional, groupId, ...user }));
   }
 
   private getUsersWithCredentials = withReporting(