diff --git a/.all-contributorsrc b/.all-contributorsrc
index 7fd18f0a6..d7a0c86c5 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -927,6 +927,28 @@
             "avatar_url": [
                 "https://avatars.githubusercontent.com/u/15770644?v=4"
             ]
+        },
+        {
+            "login": "DMadren",
+            "name": "DMadren",
+            "contributions": [
+                "code"
+            ],
+            "profile": "https://github.com/DMadren",
+            "avatar_url": [
+                "https://avatars.githubusercontent.com/u/204754096?v=4"
+            ]
+        },
+        {
+            "login": "dphow",
+            "name": "Daniel Howard",
+            "contributions": [
+                "code"
+            ],
+            "profile": "dphow.github.io",
+            "avatar_url": [
+                "https://avatars.githubusercontent.com/u/8248595?v=4"
+            ]
         }
     ],
     "contributorsPerLine": 7
diff --git a/.tributors b/.tributors
index 392967f2e..5b918fc59 100644
--- a/.tributors
+++ b/.tributors
@@ -471,5 +471,14 @@
         "blog": "http://www.tinashemtapera.com",
         "orcid": "0000-0001-9080-5010",
         "affiliation": "University of Pennsylvania"
+    },
+    "DMadren": {
+        "name": "DMadren",
+        "blog": "https://github.com/DMadren"
+    },
+    "dphow": {
+        "name": "Daniel Howard",
+        "bio": "Passionate towards applying mathematical expertise to complex problems, especially those related to the climate and\r\nenvironment by developing HPC software.",
+        "blog": "dphow.github.io"
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index 431c063d8..129006533 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 https://us-rse.org
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-86-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-88-orange.svg?style=flat-square)](#contributors)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## What is this?
@@ -233,6 +233,8 @@ tool to generate a contributors graphic below.
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="lentner.io"><img src="https://avatars.githubusercontent.com/u/8965948?v=4?s=100" width="100px;" alt="Geoffrey Lentner"/><br /><sub><b>Geoffrey Lentner</b></sub></a><br /><a href="https://github.com/USRSE/usrse.github.io/commits?author=glentner" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://www.tinashemtapera.com"><img src="https://avatars.githubusercontent.com/u/15770644?v=4?s=100" width="100px;" alt="Tinashe Michael Tapera"/><br /><sub><b>Tinashe Michael Tapera</b></sub></a><br /><a href="https://github.com/USRSE/usrse.github.io/commits?author=TinasheMTapera" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/DMadren"><img src="https://avatars.githubusercontent.com/u/204754096?v=4?s=100" width="100px;" alt="DMadren"/><br /><sub><b>DMadren</b></sub></a><br /><a href="https://github.com/USRSE/usrse.github.io/commits?author=DMadren" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="dphow.github.io"><img src="https://avatars.githubusercontent.com/u/8248595?v=4?s=100" width="100px;" alt="Daniel Howard"/><br /><sub><b>Daniel Howard</b></sub></a><br /><a href="https://github.com/USRSE/usrse.github.io/commits?author=dphow" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>