diff --git a/app/components/add-contributor/component.js b/app/components/add-contributor/component.js
index 36a68b2..75398c2 100644
--- a/app/components/add-contributor/component.js
+++ b/app/components/add-contributor/component.js
@@ -6,7 +6,7 @@ export default Ember.Component.extend({
   realName: null,
   address: null,
   ipfsHash: null,
-  isCore: true,
+  isCore: false,
 
   inProgress: false,
 
diff --git a/app/components/add-contributor/template.hbs b/app/components/add-contributor/template.hbs
index 58d48bb..98caf38 100644
--- a/app/components/add-contributor/template.hbs
+++ b/app/components/add-contributor/template.hbs
@@ -1,4 +1,8 @@
 <form {{action "save" on="submit"}}>
+  <p>
+    {{input type="checkbox" name="is-core" id="is-core" checked=isCore}}
+    <label for="is-core">Core team member (can add contributors)</label>
+  </p>
   <p>
     {{input name="id"
             type="text"
diff --git a/app/models/contributor.js b/app/models/contributor.js
index ebe41ea..386d757 100644
--- a/app/models/contributor.js
+++ b/app/models/contributor.js
@@ -7,6 +7,7 @@ export default Ember.Object.extend({
   github_uid: null,
   ipfsHash: null,
   kredits: null,
+  isCore: false,
   isCurrentUser: false,
 
   avatarURL: function() {
diff --git a/app/services/kredits.js b/app/services/kredits.js
index d109acd..4019441 100644
--- a/app/services/kredits.js
+++ b/app/services/kredits.js
@@ -139,7 +139,7 @@ export default Ember.Service.extend({
     });
   },
 
-  addContributor(address, name, ipfsHash, isCore, id) {
+  addContributor(address, name, isCore, id) {
     Ember.Logger.debug('[kredits] add contributor', name, address);
 
     let contributor = Contributor.create({
@@ -147,12 +147,14 @@ export default Ember.Service.extend({
       github_username: name,
       github_uid: id,
       kredits: 0,
+      isCore: isCore,
       isCurrentUser: this.get('currentUserAccounts').includes(address)
     });
 
     return new Ember.RSVP.Promise((resolve, reject) => {
       this.get('ipfs').storeFile(contributor.serialize()).then(ipfsHash => {
         contributor.set('ipfsHash', ipfsHash);
+        console.debug('ADD', address, name, ipfsHash, isCore, id);
         this.get('kreditsContract').addContributor(address, name, ipfsHash, isCore, id, (err, data) => {
           if (err) { reject(err); }
           Ember.Logger.debug('[kredits] add contributor response', data);