diff --git a/web/modals/threads/members/member.react.js b/web/modals/threads/members/member.react.js
--- a/web/modals/threads/members/member.react.js
+++ b/web/modals/threads/members/member.react.js
@@ -9,10 +9,16 @@
 import * as React from 'react';
 import { useState } from 'react';
 
+import {
+  removeUsersFromThread,
+  changeThreadMemberRoles,
+} from 'lib/actions/thread-actions';
 import {
   memberIsAdmin,
   memberHasAdminPowers,
   threadHasPermission,
+  removeMemberFromThread,
+  switchMemberAdminRoleInThread,
 } from 'lib/shared/thread-utils';
 import { stringForUser } from 'lib/shared/user-utils';
 import {
@@ -20,6 +26,10 @@
   type ThreadInfo,
   threadPermissions,
 } from 'lib/types/thread-types';
+import {
+  useDispatchActionPromise,
+  useServerCall,
+} from 'lib/utils/action-utils';
 
 import Label from '../../../components/label.react';
 import MenuItem from '../../../components/menu-item.react';
@@ -41,6 +51,41 @@
     onMenuChange(isMenuOpen);
   }, [isMenuOpen, onMenuChange]);
 
+  const dispatchActionPromise = useDispatchActionPromise();
+  const boundRemoveUsersFromThread = useServerCall(removeUsersFromThread);
+
+  const onRemoveUser = React.useCallback(
+    () =>
+      removeMemberFromThread(
+        threadInfo,
+        memberInfo,
+        dispatchActionPromise,
+        boundRemoveUsersFromThread,
+      ),
+    [boundRemoveUsersFromThread, dispatchActionPromise, memberInfo, threadInfo],
+  );
+
+  const isCurrentlyAdmin = memberIsAdmin(memberInfo, threadInfo);
+  const boundChangeThreadMemberRoles = useServerCall(changeThreadMemberRoles);
+
+  const onSwitchAdmin = React.useCallback(
+    () =>
+      switchMemberAdminRoleInThread(
+        threadInfo,
+        memberInfo,
+        isCurrentlyAdmin,
+        dispatchActionPromise,
+        boundChangeThreadMemberRoles,
+      ),
+    [
+      boundChangeThreadMemberRoles,
+      dispatchActionPromise,
+      isCurrentlyAdmin,
+      memberInfo,
+      threadInfo,
+    ],
+  );
+
   const menuItems = React.useMemo(() => {
     const { role } = memberInfo;
     if (!role) {
@@ -65,9 +110,15 @@
             key="remove_admin"
             text="Remove admin"
             icon={faMinusCircle}
+            onClick={onSwitchAdmin}
           />
         ) : (
-          <MenuItem key="make_admin" text="Make admin" icon={faPlusCircle} />
+          <MenuItem
+            key="make_admin"
+            text="Make admin"
+            icon={faPlusCircle}
+            onClick={onSwitchAdmin}
+          />
         ),
       );
     }
@@ -82,13 +133,14 @@
           key="remove_user"
           text="Remove user"
           icon={faSignOutAlt}
+          onClick={onRemoveUser}
           dangerous
         />,
       );
     }
 
     return actions;
-  }, [memberInfo, threadInfo]);
+  }, [memberInfo, onRemoveUser, onSwitchAdmin, threadInfo]);
 
   const userSettingsIcon = React.useMemo(
     () => <SWMansionIcon icon="edit" size={17} />,