diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApi.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApi.kt
index fe162dd..e52e115 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApi.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApi.kt
@@ -44,6 +44,17 @@ class PGApi {
         apiService.getAllUsers().subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())
 
+    fun changeUserRole(userUid: String, roleUid: String) {
+        val map = mapOf("role_uid" to roleUid)
+        try {
+            apiService.changeUserRole(userUid, map).subscribeOn(Schedulers.computation())
+                .doOnError { e: Throwable? -> Log.d("PGApi", "Failed to change roles", e) }
+                .subscribe()
+        } catch (e: Exception) {
+            Log.e("PGApi", e.message, e)
+        }
+    }
+
     companion object {
         const val BASE_URL = "https://plangrid-c-api-dispatcher-test.planfront.net"
         private const val AUTH_KEY = "521dd37f15b497e01fd7aeacab0892ec"
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApiService.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApiService.kt
index 5bd164b..998da7a 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApiService.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/PGApiService.kt
@@ -1,8 +1,14 @@
 package buggy.plandroid.com.plandroidbugs
 
 import retrofit2.http.GET
+import buggy.plandroid.com.plandroidbugs.UserList
+import buggy.plandroid.com.plandroidbugs.UserWire
 import io.reactivex.Observable
+import retrofit2.http.PATCH
+import okhttp3.ResponseBody
 import retrofit2.Call
+import retrofit2.http.Body
+import retrofit2.http.Path
 
 interface PGApiService {
     @GET("projects/fc6facf8-c69c-4780-bac1-1774bd91cc8c/users")
@@ -10,4 +16,10 @@ interface PGApiService {
 
     @GET("projects/fc6facf8-c69c-4780-bac1-1774bd91cc8c/users/540e0bdcde37b40013533497")
     fun getUser(): Call<UserWire>
+
+    @PATCH("projects/fc6facf8-c69c-4780-bac1-1774bd91cc8c/users/{userId}")
+    fun changeUserRole(
+        @Path("userId") userId: String,
+        @Body parameters: Map<String, String>
+    ): Observable<ResponseBody?>
 }
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/Role.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/Role.kt
new file mode 100644
index 0000000..59635ff
--- /dev/null
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/Role.kt
@@ -0,0 +1,10 @@
+package buggy.plandroid.com.plandroidbugs
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
+import com.fasterxml.jackson.annotation.JsonProperty
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+data class Role(
+    @JsonProperty(value = "uid")
+    val uid: String
+)
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserAdapter.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserAdapter.kt
index 5b7f99e..3d748d7 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserAdapter.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserAdapter.kt
@@ -1,13 +1,18 @@
 package buggy.plandroid.com.plandroidbugs
 
+import android.app.AlertDialog
+import android.content.Context
+import android.content.DialogInterface
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
+import buggy.plandroid.com.plandroidbugs.app.PlanDroidApp.Companion.getApp
 import buggy.plandroid.com.plandroidbugs.room.UserEntity
 
 class UserAdapter : RecyclerView.Adapter<ViewHolder>() {
 
+    private lateinit var levelDialog: AlertDialog
     private var userEntities: List<UserEntity> = ArrayList()
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
@@ -17,7 +22,36 @@ class UserAdapter : RecyclerView.Adapter<ViewHolder>() {
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        holder.itemView.findViewById<TextView>(R.id.email_text).text = userEntities[position].email
+        holder.itemView.findViewById<TextView>(R.id.email_text).text =
+            getDisplayText(userEntities[position])
+        holder.itemView.setOnClickListener {
+            openRolePickerDialog(
+                userEntities[position], holder.itemView.context
+            )
+        }
+    }
+
+    private fun getDisplayText(userEntity: UserEntity): String {
+        return "${userEntity.firstName}: ${roleUidsToNames[userEntity.roleUid]}"
+    }
+
+    private fun openRolePickerDialog(user: UserEntity, context: Context) {
+        val builder = AlertDialog.Builder(context)
+        builder.setTitle("Select Role")
+        val items = arrayOf(COLLABORATOR, POWER_COLLABORATOR, ADMIN)
+        builder.setSingleChoiceItems(items, -1) { _: DialogInterface?, item: Int ->
+            var role = COLLABORATOR_ROLE
+            when (item) {
+                0 -> role = COLLABORATOR_ROLE
+                1 -> role = POWER_COLLABORATOR_ROLE
+                2 -> role = ADMIN_ROLE
+            }
+            pgApi.changeUserRole(user.userId, role)
+            getApp(context).database.userDao().update(user)
+            levelDialog.dismiss()
+        }
+        levelDialog = builder.create()
+        levelDialog.show()
     }
 
     override fun getItemCount(): Int {
@@ -29,4 +63,18 @@ class UserAdapter : RecyclerView.Adapter<ViewHolder>() {
         notifyDataSetChanged()
     }
 
+    companion object {
+        private const val COLLABORATOR = "Collaborator"
+        private const val COLLABORATOR_ROLE = "17dce2c5-4931-47e7-8c98-84b35f00ba03"
+        private const val POWER_COLLABORATOR = "Power Collaborator"
+        private const val POWER_COLLABORATOR_ROLE = "e7295fe5-5312-4559-b784-a74498464fb7"
+        private const val ADMIN = "Admin"
+        const val ADMIN_ROLE = "9d139e64-cac9-4f23-b4d5-9fd3688b498e"
+        private val pgApi = PGApi()
+        private val roleUidsToNames = mapOf(
+            COLLABORATOR_ROLE to COLLABORATOR,
+            POWER_COLLABORATOR_ROLE to POWER_COLLABORATOR,
+            ADMIN_ROLE to ADMIN
+        )
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserMapper.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserMapper.kt
index 9768803..4db639a 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserMapper.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserMapper.kt
@@ -13,6 +13,7 @@ object UserMapper {
                 company = it.company,
                 title = it.title,
                 language = it.language,
+                roleUid = it.role?.uid ?: UserAdapter.ADMIN_ROLE
             )
         }
     }
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserWire.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserWire.kt
index 8ca1025..af9ef42 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserWire.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/UserWire.kt
@@ -25,4 +25,7 @@ data class UserWire(
 
     @JsonProperty(value = "language")
     val language: String,
+
+    @JsonProperty(value = "role")
+    val role: Role?,
 )
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/Migration1To2.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/Migration1To2.kt
new file mode 100644
index 0000000..82a1284
--- /dev/null
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/Migration1To2.kt
@@ -0,0 +1,12 @@
+package buggy.plandroid.com.plandroidbugs.app
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+
+class Migration1To2 : Migration(1, 2) {
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE users ADD role_uid TEXT")
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/PlanDroidApp.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/PlanDroidApp.kt
index e20f335..80268bd 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/PlanDroidApp.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/app/PlanDroidApp.kt
@@ -22,6 +22,8 @@ class PlanDroidApp : Application() {
     val database: PGDatabase by lazy {
         Room.databaseBuilder(this,
                 PGDatabase::class.java, "database-name")
+                .allowMainThreadQueries()
+                .addMigrations(Migration1To2())
                 .build()
     }
 
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/PGDatabase.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/PGDatabase.kt
index 715c292..45fd60c 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/PGDatabase.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/PGDatabase.kt
@@ -4,7 +4,7 @@ import androidx.room.Database
 import androidx.room.RoomDatabase
 
 @Database(
-    version = 1,
+    version = 2,
     entities = [
         UserEntity::class
     ]
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserDao.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserDao.kt
index 70f1bcc..8fbda86 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserDao.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserDao.kt
@@ -19,6 +19,9 @@ interface UserDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insertAll(userEntityies: Collection<UserEntity>)
 
+    @Update
+    fun update(vararg userEntity: UserEntity)
+
     @Delete
     fun delete(userEntity: UserEntity)
 }
\ No newline at end of file
diff --git a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserEntity.kt b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserEntity.kt
index a6dd0bd..18b9dcb 100644
--- a/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserEntity.kt
+++ b/app/src/main/java/buggy/plandroid/com/plandroidbugs/room/UserEntity.kt
@@ -27,4 +27,7 @@ data class UserEntity(
 
     @ColumnInfo(name = "language")
     val language: String,
+
+    @ColumnInfo(name = "role_uid")
+    val roleUid: String,
 )