diff --git a/README.md b/README.md
index 2f862e7..8fe63b4 100644
--- a/README.md
+++ b/README.md
@@ -214,3 +214,7 @@
 
 Any input that does not respect the contract might not work. Check `AbstractSlingClientGetPathTest` and `AbstractSlingClientGetUrlTest`
 for an extensive list of cases that we have considered when writing these methods.
+
+##### How can I impersonate a user?
+* `client.impersonate(userId)` to impersonate
+* `client.impersonate(null)` to clear impersonation
\ No newline at end of file
diff --git a/src/main/java/org/apache/sling/testing/clients/SlingClient.java b/src/main/java/org/apache/sling/testing/clients/SlingClient.java
index baa3a0c..0785840 100644
--- a/src/main/java/org/apache/sling/testing/clients/SlingClient.java
+++ b/src/main/java/org/apache/sling/testing/clients/SlingClient.java
@@ -22,7 +22,9 @@
 import java.io.File;
 import java.net.URI;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
+import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
@@ -41,6 +43,7 @@
 import org.apache.http.entity.mime.MultipartEntityBuilder;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.cookie.BasicClientCookie;
 import org.apache.sling.testing.clients.interceptors.DelayRequestInterceptor;
 import org.apache.sling.testing.clients.interceptors.HttpRequestResponseInterceptor;
 import org.apache.sling.testing.clients.interceptors.TestDescriptionInterceptor;
@@ -64,6 +67,7 @@
 
     public static final String DEFAULT_NODE_TYPE = "sling:OrderedFolder";
     public static final String CLIENT_CONNECTION_TIMEOUT_PROP = "sling.client.connection.timeout.seconds";
+    public static final String SUDO_COOKIE_NAME = "sling.sudo.cookie.name";
 
     /**
      * Constructor used by Builders and adaptTo(). <b>Should never be called directly from the code.</b>
@@ -543,6 +547,10 @@
         return importContent(parentPath, "json", json.toString(), expectedStatus);
     }
 
+    private String getSudoCookieName() {
+        return Optional.ofNullable(this.getValue(SUDO_COOKIE_NAME)).orElse("sling.sudo");
+    }
+
     /**
      * Get the UUID of a repository path
      *
@@ -580,6 +588,34 @@
         return uuidNode.getValueAsText();
     }
 
+    @Override
+    public String getUser() {
+        // get the username from the sudo cookie or default from client config
+        return getCookieStore().getCookies().stream().filter(c -> c.getName().equals(getSudoCookieName())).findFirst()
+                .map(c -> c.getValue().replace("\"", "")).orElse(super.getUser());
+    }
+
+    /**
+     * Impersonate user with the given <code>userId</code>
+     * <p>
+     * By impersonating a user SlingClient can access content from that user eye view.
+     * </p>
+     *Passing a <code>null</code> will clear impersonation.
+     *
+     * @param userId   the user to impersonate. A <code>null</code> value clears impersonation
+     */
+    public SlingClient impersonate(String userId)  {
+        BasicClientCookie c = new BasicClientCookie(getSudoCookieName(), "\"" + userId + "\"");
+        c.setPath("/");
+        c.setDomain(getUrl().getHost());
+        if(userId == null || "-".equals(userId)){
+            // setting expiry date in the past will remove the cookie
+            c.setExpiryDate(new Date(0));
+        }
+        getCookieStore().addCookie(c);
+        return this;
+    }
+
     //
     // InternalBuilder class and builder related methods
     //
diff --git a/src/main/java/org/apache/sling/testing/clients/email/package-info.java b/src/main/java/org/apache/sling/testing/clients/email/package-info.java
index 906392d..01de7b2 100644
--- a/src/main/java/org/apache/sling/testing/clients/email/package-info.java
+++ b/src/main/java/org/apache/sling/testing/clients/email/package-info.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-@Version("1.2.0")
+@Version("1.3.0")
 package org.apache.sling.testing.clients.email;
 
 import org.osgi.annotation.versioning.Version;
diff --git a/src/main/java/org/apache/sling/testing/clients/html/package-info.java b/src/main/java/org/apache/sling/testing/clients/html/package-info.java
index 7c795ae..2723070 100644
--- a/src/main/java/org/apache/sling/testing/clients/html/package-info.java
+++ b/src/main/java/org/apache/sling/testing/clients/html/package-info.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-@Version("2.3.0")
+@Version("2.4.0")
 package org.apache.sling.testing.clients.html;
 
 import org.osgi.annotation.versioning.Version;
diff --git a/src/main/java/org/apache/sling/testing/clients/package-info.java b/src/main/java/org/apache/sling/testing/clients/package-info.java
index 9e17199..8b3a108 100644
--- a/src/main/java/org/apache/sling/testing/clients/package-info.java
+++ b/src/main/java/org/apache/sling/testing/clients/package-info.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-@Version("2.3.0")
+@Version("2.4.0")
 package org.apache.sling.testing.clients;
 
 import org.osgi.annotation.versioning.Version;
diff --git a/src/test/java/org/apache/sling/testing/clients/SlingClientImpersonationTest.java b/src/test/java/org/apache/sling/testing/clients/SlingClientImpersonationTest.java
new file mode 100644
index 0000000..789a646
--- /dev/null
+++ b/src/test/java/org/apache/sling/testing/clients/SlingClientImpersonationTest.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to You under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.apache.sling.testing.clients;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.apache.http.cookie.Cookie;
+import org.junit.Before;
+import org.junit.Test;
+
+public class SlingClientImpersonationTest {
+
+    private SlingClient slingClient;
+
+    @Before
+    public void setup() throws ClientException, URISyntaxException {
+        slingClient = new SlingClient(new URI("http://localhost:8080"), "admin", "pass");
+        assertEquals("admin", slingClient.getUser());
+    }
+
+    private Cookie getSudoCookie(String cookieName) {
+        return slingClient.getCookieStore().getCookies().stream().filter(c -> c.getName().equals(cookieName)).findAny()
+                .orElse(null);
+    }
+
+    @Test
+    public void testImpersonate() throws Exception {
+
+        slingClient.impersonate("user");
+
+        assertEquals("user", slingClient.getUser());
+
+        Cookie sudoCookie = getSudoCookie("sling.sudo");
+
+        assertNotNull(sudoCookie);
+        assertEquals("\"user\"", sudoCookie.getValue());
+    }
+
+    @Test
+    public void testUndoImpersonation() throws Exception {
+
+        slingClient.impersonate("user");
+
+        assertEquals("user", slingClient.getUser());
+
+        slingClient.impersonate("-");
+        assertEquals("admin", slingClient.getUser());
+
+        Cookie sudoCookie = getSudoCookie("sling.sudo");
+
+        assertNull(sudoCookie);
+    }
+
+    @Test
+    public void testNullImpersonation() throws Exception {
+
+        slingClient.impersonate("user");
+
+        assertEquals("user", slingClient.getUser());
+
+        slingClient.impersonate(null);
+        assertEquals("admin", slingClient.getUser());
+
+        Cookie sudoCookie = getSudoCookie("sling.sudo");
+
+        assertNull(sudoCookie);
+    }
+
+    @Test
+    public void testDifferentSudoCookie() throws Exception {
+        String sudoCookieName = "sudo.make.me.a.sandwich";
+
+        slingClient.addValue(SlingClient.SUDO_COOKIE_NAME, sudoCookieName);
+
+        slingClient.impersonate("user");
+
+        assertEquals("user", slingClient.getUser());
+
+        Cookie defaultSudoCookie = getSudoCookie("sling.sudo");
+        assertNull(defaultSudoCookie);
+
+        Cookie customSudoCookie = getSudoCookie(sudoCookieName);
+        assertNotNull(customSudoCookie);
+        assertEquals("\"user\"", customSudoCookie.getValue());
+    }
+
+}