diff --git a/src/MembershipsSDKAdapter.js b/src/MembershipsSDKAdapter.js
index f39be24a..c34d5804 100644
--- a/src/MembershipsSDKAdapter.js
+++ b/src/MembershipsSDKAdapter.js
@@ -16,6 +16,7 @@ import {
   publishReplay,
   refCount,
   tap,
+  catchError,
 } from 'rxjs/operators';
 import {SDK_EVENT, constructHydraId, deconstructHydraId} from '@webex/common';
 import {
@@ -117,6 +118,29 @@ function getMembers(sdkMembers, meeting) {
   }));
 }
 
+/**
+ * Maps SDK membership to adapter membership
+ *
+ * @private
+ * @param {object} sdkMembership  SDK membership object
+ * @returns {Member} Adapter membership object
+ */
+function fromSDKMembership(sdkMembership) {
+  return {
+    ID: sdkMembership.id,
+    roomID: sdkMembership.roomId,
+    isModerator: sdkMembership.isModerator,
+    isMonitor: sdkMembership.isMonitor,
+    isRoomHidden: sdkMembership.isRoomHidden,
+    personDisplayName: sdkMembership.personDisplayName,
+    personEmail: sdkMembership.personEmail,
+    personID: sdkMembership.personId,
+    personOrgID: sdkMembership.personOrgId,
+    roomType: sdkMembership.roomType,
+    created: sdkMembership.created,
+  };
+}
+
 /**
  * The `MembershipsSDKAdapter` is an implementation of the `MembershipsAdapter` interface.
  * This adapter utilizes the Webex JS SDK to fetch data about a memberships.
@@ -307,4 +331,29 @@ export default class MembershipsSDKAdapter extends MembershipsAdapter {
 
     return members$;
   }
+
+  /**
+   * Returns an observable that emits the membership with a member added to the room.
+   * Observable will complete after one emission
+   *
+   * @param {string} personID ID of the person to add to a room
+   * @param {string} roomID ID of the room to add the person into
+   * @returns {Observable<Member>} Observable stream that emits the membership with the added member
+   */
+  addRoomMember(personID, roomID) {
+    logger.debug('MEMBERSHIP', undefined, 'addRoomMember()', ['called with', {personID, roomID}]);
+
+    return defer(() => this.datasource.memberships.create({
+      personId: personID,
+      roomId: roomID,
+    }))
+      .pipe(
+        map(fromSDKMembership),
+        tap((membership) => logger.debug('MEMBERSHIP', undefined, 'addRoomMember()', ['member added to room', membership])),
+        catchError((error) => {
+          logger.error('MEMBERSHIP', undefined, 'addRoomMember()', 'Error adding member to room', error);
+          throw error;
+        }),
+      );
+  }
 }
diff --git a/src/MembershipsSDKAdapter.test.js b/src/MembershipsSDKAdapter.test.js
index 98a864bf..31a7d353 100644
--- a/src/MembershipsSDKAdapter.test.js
+++ b/src/MembershipsSDKAdapter.test.js
@@ -151,4 +151,55 @@ describe('Memberships SDK Adapter', () => {
       });
     });
   });
+
+  describe('addRoomMember()', () => {
+    let roomID;
+    let personID;
+
+    beforeEach(() => {
+      roomID = 'roomID';
+      personID = 'personID';
+    });
+    afterEach(() => {
+      roomID = null;
+      personID = null;
+    });
+
+    test('returns an observable', (done) => {
+      expect(isObservable(membershipSDKAdapter.addRoomMember(personID, roomID)))
+        .toBeTruthy();
+      done();
+    });
+
+    test('emits success when member is added to room', (done) => {
+      membershipSDKAdapter.addRoomMember(personID, roomID).subscribe((membership) => {
+        expect(membership).toEqual({
+          ID: 'id',
+          roomID: 'roomID',
+          personID: 'personID',
+          personOrgID: 'organizationID',
+          personEmail: 'email@cisco.com',
+          personDisplayName: 'Simon Damiano',
+          isModerator: false,
+          isMonitor: false,
+          created: '',
+        });
+      });
+      done();
+    });
+
+    test('emits error when sdk fails to add member to room', (done) => {
+      const errorMsg = 'Error adding member to room';
+
+      mockSDK.memberships.create = jest.fn(() => Promise.reject(new Error(errorMsg)));
+
+      membershipSDKAdapter.addRoomMember(personID, roomID).subscribe(
+        () => {},
+        (error) => {
+          expect(error.message).toBe(errorMsg);
+          done();
+        },
+      );
+    });
+  });
 });
diff --git a/src/mockSdk.js b/src/mockSdk.js
index 9d5021de..24755c02 100644
--- a/src/mockSdk.js
+++ b/src/mockSdk.js
@@ -346,6 +346,7 @@ export default function createMockSDK(api = {}) {
       stopListening: jest.fn(() => Promise.resolve()),
       on: jest.fn(),
       off: jest.fn(),
+      create: jest.fn(() => Promise.resolve(mockSDKMembership)),
     },
     attachmentActions: {
       create: jest.fn(() => Promise.resolve(mockSDKAttachmentAction)),