diff --git a/css/brands-extended.css b/css/brands-extended.css
index 5c20823..05020ea 100644
--- a/css/brands-extended.css
+++ b/css/brands-extended.css
@@ -211,6 +211,17 @@ button:hover,
 .button.button-myanimelist:focus {
   filter: brightness(90%) }
 
+  /* ORCID ID */
+.button.button-orcid-id {
+  color: #000000;
+  background-color: #FFFFFF;
+  border: 1px solid #212121;
+}
+.button.button-orcid-id:hover,
+.button.button-orcid-id:focus {
+  filter: brightness(90%);
+}
+
   /* osu! */
 .button.button-osu {
   color: #ffffff;
@@ -221,6 +232,17 @@ button:hover,
   filter: brightness(90%);
 }
 
+  /* ResearchGate */
+.button.button-researchgate {
+  color: #000000;
+  background-color: #FFFFFF;
+  border: 1px solid #212121;
+}
+.button.button-researchgate:hover,
+.button.button-researchgate:focus {
+  filter: brightness(90%);
+}
+
 /* SpaceHey */
 .button.button-spacehey {
   color: #FFFFFF;
diff --git a/images/icons-extended/orcid-id.svg b/images/icons-extended/orcid-id.svg
new file mode 100644
index 0000000..c1500de
--- /dev/null
+++ b/images/icons-extended/orcid-id.svg
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 256 256" style="enable-background:new 0 0 256 256;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#A6CE39;}
+	.st1{fill:#FFFFFF;}
+</style>
+<path class="st0" d="M256,128c0,70.7-57.3,128-128,128C57.3,256,0,198.7,0,128C0,57.3,57.3,0,128,0C198.7,0,256,57.3,256,128z"/>
+<g>
+	<path class="st1" d="M86.3,186.2H70.9V79.1h15.4v48.4V186.2z"/>
+	<path class="st1" d="M108.9,79.1h41.6c39.6,0,57,28.3,57,53.6c0,27.5-21.5,53.6-56.8,53.6h-41.8V79.1z M124.3,172.4h24.5
+		c34.9,0,42.9-26.5,42.9-39.7c0-21.5-13.7-39.7-43.7-39.7h-23.7V172.4z"/>
+	<path class="st1" d="M88.7,56.8c0,5.5-4.5,10.1-10.1,10.1c-5.6,0-10.1-4.6-10.1-10.1c0-5.6,4.5-10.1,10.1-10.1
+		C84.2,46.7,88.7,51.3,88.7,56.8z"/>
+</g>
+</svg>
\ No newline at end of file
diff --git a/images/icons-extended/researchgate.svg b/images/icons-extended/researchgate.svg
new file mode 100644
index 0000000..ea04779
--- /dev/null
+++ b/images/icons-extended/researchgate.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Creator: CorelDRAW -->
+<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="32px" height="32px" version="1.1" style="shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd"
+viewBox="0 0 32 32"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xodm="http://www.corel.com/coreldraw/odm/2003">
+ <defs>
+  <style type="text/css">
+   <![CDATA[
+    .fil0 {fill:#04D4AC;fill-rule:nonzero}
+    .fil1 {fill:white;fill-rule:nonzero}
+   ]]>
+  </style>
+ </defs>
+ <g id="Capa_x0020_1">
+  <metadata id="CorelCorpID_0Corel-Layer"/>
+  <path class="fil0" d="M32.04 15.97c0,8.85 -7.18,16.03 -16.02,16.03 -8.85,0 -16.02,-7.18 -16.02,-16.03 0,-8.85 7.17,-16.03 16.02,-16.03 8.84,0 16.02,7.18 16.02,16.03zm-14.79 7c-1.43,-0.28 -2.28,-1.11 -4.45,-4.33 -0.72,-1.08 -0.72,-1.08 -1.42,-1.13 -1.03,-0.07 -0.95,-0.25 -0.92,2.02 0.04,2.58 0.01,2.52 1.5,2.77 0.39,0.06 0.42,0.09 0.42,0.32 0,0.26 0,0.26 -2.62,0.28 -2.46,0.02 -2.62,0.01 -2.67,-0.14 -0.1,-0.29 0.05,-0.43 0.59,-0.53 0.61,-0.11 0.93,-0.36 1.01,-0.78 0.04,-0.16 0.05,-2.32 0.03,-4.8 -0.03,-5.21 0.03,-4.9 -0.93,-5.11 -0.6,-0.13 -0.79,-0.27 -0.71,-0.51 0.06,-0.16 0.19,-0.17 2.92,-0.22 4.06,-0.08 4.82,0.05 5.9,1.01 1.13,1.01 1.29,2.55 0.39,3.84 -0.4,0.58 -1.2,1.2 -1.82,1.43 -0.29,0.11 -0.53,0.23 -0.53,0.27 0,0.12 0.92,1.43 1.49,2.13 1.52,1.85 2.34,2.57 3.19,2.79 0.53,0.14 0.68,0.29 0.53,0.55 -0.16,0.27 -0.96,0.33 -1.9,0.14zm-3.83 -6.63c2,-0.82 2.15,-3.57 0.25,-4.38 -0.49,-0.21 -0.62,-0.22 -1.85,-0.22 -1.33,0 -1.33,0 -1.35,2.31 -0.02,1.27 -0.01,2.37 0.02,2.43 0.09,0.21 2.34,0.1 2.93,-0.14zm6.97 -2.85c-1.55,-0.29 -2.06,-1.24 -1.98,-3.68 0.04,-1.35 0.15,-1.72 0.67,-2.28 0.92,-0.99 3.2,-0.9 4.04,0.16 0.36,0.45 0.33,0.59 -0.17,0.74 -0.39,0.13 -0.39,0.13 -0.75,-0.23 -0.85,-0.82 -2.32,-0.52 -2.58,0.54 -0.13,0.47 -0.12,2.46 0.01,2.91 0.35,1.27 2.46,1.27 2.82,0 0.22,-0.81 0.17,-0.87 -0.8,-0.92 -0.47,-0.02 -0.47,-0.02 -0.47,-0.41 0,-0.38 0,-0.38 1.12,-0.41 1.45,-0.03 1.43,-0.05 1.36,1.01 -0.09,1.33 -0.45,1.97 -1.32,2.35 -0.57,0.24 -1.35,0.33 -1.95,0.22z"/>
+  <path class="fil1" d="M17.25 22.97c-1.43,-0.28 -2.28,-1.11 -4.45,-4.33 -0.72,-1.08 -0.72,-1.08 -1.42,-1.13 -1.03,-0.07 -0.95,-0.25 -0.92,2.02 0.04,2.58 0.01,2.52 1.5,2.77 0.39,0.06 0.42,0.09 0.42,0.32 0,0.26 0,0.26 -2.62,0.28 -2.46,0.02 -2.62,0.01 -2.67,-0.14 -0.1,-0.29 0.05,-0.43 0.59,-0.53 0.61,-0.11 0.93,-0.36 1.01,-0.78 0.04,-0.16 0.05,-2.32 0.03,-4.8 -0.03,-5.21 0.03,-4.9 -0.93,-5.11 -0.6,-0.13 -0.79,-0.27 -0.71,-0.51 0.06,-0.16 0.19,-0.17 2.92,-0.22 4.06,-0.08 4.82,0.05 5.9,1.01 1.13,1.01 1.29,2.55 0.39,3.84 -0.4,0.58 -1.2,1.2 -1.82,1.43 -0.29,0.11 -0.53,0.23 -0.53,0.27 0,0.12 0.92,1.43 1.49,2.13 1.52,1.85 2.34,2.57 3.19,2.79 0.53,0.14 0.68,0.29 0.53,0.55 -0.16,0.27 -0.96,0.33 -1.9,0.14zm-3.83 -6.63c2,-0.82 2.15,-3.57 0.25,-4.38 -0.49,-0.21 -0.62,-0.22 -1.85,-0.22 -1.33,0 -1.33,0 -1.35,2.31 -0.02,1.27 -0.01,2.37 0.02,2.43 0.09,0.21 2.34,0.1 2.93,-0.14zm6.97 -2.85c-1.55,-0.29 -2.06,-1.24 -1.98,-3.68 0.04,-1.35 0.15,-1.72 0.67,-2.28 0.92,-0.99 3.2,-0.9 4.04,0.16 0.36,0.45 0.33,0.59 -0.17,0.74 -0.39,0.13 -0.39,0.13 -0.75,-0.23 -0.85,-0.82 -2.32,-0.52 -2.58,0.54 -0.13,0.47 -0.12,2.46 0.01,2.91 0.35,1.27 2.46,1.27 2.82,0 0.22,-0.81 0.17,-0.87 -0.8,-0.92 -0.47,-0.02 -0.47,-0.02 -0.47,-0.41 0,-0.38 0,-0.38 1.12,-0.41 1.45,-0.03 1.43,-0.05 1.36,1.01 -0.09,1.33 -0.45,1.97 -1.32,2.35 -0.57,0.24 -1.35,0.33 -1.95,0.22zm0 0z"/>
+ </g>
+</svg>
diff --git a/preview.html b/preview.html
index 79fe45a..3ef76b0 100644
--- a/preview.html
+++ b/preview.html
@@ -162,6 +162,11 @@
             <img class="icon" src="images/icons-extended/myanimelist.svg" alt="MyAnimeList Logo">MyAnimeList</a>
         <br>
 
+        <!-- ORCID ID -->
+        <a class="button button-orcid-id" href="#" target="_blank" rel="noopener">
+          <img class="icon" src="images/icons-extended/orcid-id.svg" alt="ORCID ID Logo">ORCID ID</a>
+        <br>
+
         <!-- osu! -->
         <a class="button button-osu" href="#" target="_blank" rel="noopener">
           <img class="icon" src="images/icons-extended/osu.svg" alt="osu! Logo">osu!</a>
@@ -171,7 +176,12 @@
         <a class="button button-pixelfed" href="#" target="_blank" rel="noopener">
           <img class="icon" src="images/icons-extended/pixelfed.svg" alt="Pixelfed Logo">Pixelfed</a>
         <br>
-
+        
+        <!-- ResearchGate -->
+        <a class="button button-researchgate" href="#" target="_blank" rel="noopener">
+          <img class="icon" src="images/icons-extended/researchgate.svg" alt="ResearchGate Logo">ResearchGate</a>
+        <br>
+        
         <!-- SpaceHey -->
         <a class="button button-spacehey" href="#" target="_blank" rel="noopener">
             <img class="icon" src="images/icons-extended/spacehey.svg" alt="SpaceHey Logo">SpaceHey</a>