diff --git a/config/dev.js b/config/dev.js
index f274429..5ca5059 100644
--- a/config/dev.js
+++ b/config/dev.js
@@ -26,6 +26,7 @@ module.exports = {
      * as a more verbose name for the param. */
     COMMUNITY_APP: "https://community-app.topcoder-dev.com",
 
+    PLATFORM_WEBSITE: "https://platform.topcoder-dev.com",
     ARENA: "https://arena.topcoder-dev.com",
     AUTH: "https://accounts-auth0.topcoder-dev.com",
     BASE: "https://www.topcoder-dev.com",
diff --git a/config/prod.js b/config/prod.js
index ce3cab3..ab93169 100644
--- a/config/prod.js
+++ b/config/prod.js
@@ -23,6 +23,7 @@ module.exports = {
      * as a more verbose name for the param. */
     COMMUNITY_APP: "https://community-app.topcoder.com",
 
+    PLATFORM_WEBSITE: "https://platform.topcoder.com",
     AUTH: "https://accounts-auth0.topcoder.com",
     BASE: "https://www.topcoder.com",
     HOME: "/my-dashboard",
diff --git a/src/components/challenge-detail/Registrants/index.jsx b/src/components/challenge-detail/Registrants/index.jsx
index 90cb0f0..000eeeb 100644
--- a/src/components/challenge-detail/Registrants/index.jsx
+++ b/src/components/challenge-detail/Registrants/index.jsx
@@ -419,7 +419,7 @@ export default class Registrants extends React.Component {
                 <div styleName="col-3">
                   <span role="cell">
                     <a
-                      href={`${config.URL.BASE}/members/${r.memberHandle}`}
+                      href={`${config.URL.PLATFORM_WEBSITE}/profile/${r.memberHandle}`}
                       styleName={
                         isDesign
                           ? ""
diff --git a/src/components/challenge-detail/Submissions/SubmissionRow/index.jsx b/src/components/challenge-detail/Submissions/SubmissionRow/index.jsx
index 1f61b70..9125fa3 100644
--- a/src/components/challenge-detail/Submissions/SubmissionRow/index.jsx
+++ b/src/components/challenge-detail/Submissions/SubmissionRow/index.jsx
@@ -87,7 +87,7 @@ export default function SubmissionRow({
             {rating || "-"}
           </span>
           <a
-            href={`${config.URL.BASE}/members/${member}`}
+            href={`${config.URL.PLATFORM_WEBSITE}/profile/${member}`}
             target={`${_.includes(window.origin, "www") ? "_self" : "_blank"}`}
             rel="noopener noreferrer"
             styleName={`col level-${getRatingLevel(rating)}`}
diff --git a/src/components/challenge-detail/Submissions/index.jsx b/src/components/challenge-detail/Submissions/index.jsx
index cdfe39c..7317378 100644
--- a/src/components/challenge-detail/Submissions/index.jsx
+++ b/src/components/challenge-detail/Submissions/index.jsx
@@ -328,7 +328,7 @@ class SubmissionsComponent extends React.Component {
               {`#${s.id}`}
             </a>
             <a
-              href={`${config.URL.BASE}/members/${_.get(
+              href={`${config.URL.PLATFORM_WEBSITE}/profile/${_.get(
                 s.registrant,
                 "memberHandle",
                 ""
@@ -696,7 +696,7 @@ class SubmissionsComponent extends React.Component {
               )}
               <div styleName="col-3">
                 <a
-                  href={`${config.URL.BASE}/members/${_.get(
+                  href={`${config.URL.PLATFORM_WEBSITE}/profile/${_.get(
                     s.registrant,
                     "memberHandle",
                     ""
diff --git a/src/components/challenge-detail/Winners/Winner/index.jsx b/src/components/challenge-detail/Winners/Winner/index.jsx
index c338c19..2e6b3f8 100644
--- a/src/components/challenge-detail/Winners/Winner/index.jsx
+++ b/src/components/challenge-detail/Winners/Winner/index.jsx
@@ -66,7 +66,7 @@ export default function Winner({
           <Avatar theme={{ avatar: style.avatar }} url={avatarUrl} />
           <div>
             <a
-              href={`${config.URL.BASE}/members/${winner.handle}`}
+              href={`${config.URL.PLATFORM_WEBSITE}/profile/${winner.handle}`}
               styleName="handle"
               target={`${_.includes(windowOrigin, "www") ? "_self" : "_blank"}`}
             >