diff --git a/lib/compiler.js b/lib/compiler.js
index bca4a85..d29f863 100644
--- a/lib/compiler.js
+++ b/lib/compiler.js
@@ -57,6 +57,9 @@ module.exports = function compile(options) {
   var modelInstructions = buildAllModelInstructions(
     modelsRootDir, modelsConfig, modelSources);
 
+  var afterBoot = options.afterBoot || function() {};
+  assertIsValidAfterBoot(afterBoot);
+  
   // When executor passes the instruction to loopback methods,
   // loopback modifies the data. Since we are loading the data using `require`,
   // such change affects also code that calls `require` for the same file.
@@ -66,10 +69,16 @@ module.exports = function compile(options) {
     models: modelInstructions,
     files: {
       boot: bootScripts
-    }
+    },
+    afterBoot: afterBoot
   });
 };
 
+function assertIsValidAfterBoot(cb) {
+    assert(cb && typeof cb === 'function',
+            'afterBoot callback must be a function');
+}
+
 function assertIsValidConfig(name, config) {
   if(config) {
     assert(typeof config === 'object',
diff --git a/lib/executor.js b/lib/executor.js
index d04e833..839f868 100644
--- a/lib/executor.js
+++ b/lib/executor.js
@@ -176,13 +176,24 @@ function forEachKeyedObject(obj, fn) {
   });
 }
 
-function runScripts(app, list) {
-  if (!list || !list.length) return;
-  list.forEach(function(filepath) {
-    var exports = tryRequire(filepath);
-    if (typeof exports === 'function')
-      exports(app);
-  });
+function runScripts(app, list, idx, callback) {
+    if (!list || !list.length) return;
+
+    for (idx; idx<list.length; idx ++){
+        var exports = tryRequire(list[idx]);
+        if (typeof exports === 'function'){
+            if (exports.waitForCallback && exports.waitForCallback === true) {
+                exports(app, function() { runScripts(app, list, idx + 1, callback); });
+                return;
+            }
+            else {
+                exports(app);
+            }
+        }
+    }
+    if (callback && typeof callback === 'function'){
+        callback();
+    }
 }
 
 function tryRequire(modulePath) {
@@ -199,7 +210,7 @@ function tryRequire(modulePath) {
 }
 
 function runBootScripts(app, instructions) {
-  runScripts(app, instructions.files.boot);
+  runScripts(app, instructions.files.boot, 0, instructions.afterBoot);
 }
 
 function enableAnonymousSwagger(app, instructions) {