diff --git a/src/data/members.ts b/src/data/members.ts
index c73ecfc..a84e079 100644
--- a/src/data/members.ts
+++ b/src/data/members.ts
@@ -3,6 +3,7 @@ import { Member } from "../types";
 export default [
   {
     name: "Kaveen Hiniduma",
+    lastName: "Hiniduma",
     title: "PhD Student",
     advisor: "Prof. Suren Byna",
     image: require("@site/static/img/members/hiniduma.jpg").default,
@@ -16,6 +17,7 @@ export default [
   },
   {
     name: "Hyunju Oh",
+    lastName: "Oh",
     title: "PhD Student",
     advisor: "Prof. Suren Byna",
     image: require("@site/static/img/members/oh.jpg").default,
@@ -26,6 +28,7 @@ export default [
   },
   {
     name:"Arta Salimiparsa",
+    lastName: "Salimiparsa",
     title: "PhD Student",
     advisor: "Prof. Suren Byna",
     image: require("@site/static/img/members/salimiparsa.jpg").default,
@@ -36,7 +39,8 @@ export default [
 },
 {
   name:"Suben Kumer Saha",
-  title: "PhD Student",
+  lastName: "Saha",
+  title: "Master's Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/saha.jpg").default,
   links: {
@@ -46,6 +50,7 @@ type: "researcher",
 },
 {
   name: "Aparajit Talukdar",
+  lastName: "Talukdar",
   title: "PhD Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/talukdar.jpg").default,
@@ -56,6 +61,7 @@ type: "researcher",
 },
 {
   name: "Noah Lewis",
+  lastName: "Lewis",
   title: "PhD Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/lewis.jpg").default,
@@ -66,6 +72,7 @@ type: "researcher",
 },
 {
   name:"Keegan Sanchez",
+  lastName: "Sanchez",
   title: "PhD Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/sanchez.jpg").default,
@@ -76,6 +83,7 @@ type: "researcher",
 },
 {
   name:"Ramlah Ilyas",
+  lastName: "Ilyas",
   title: "PhD Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/ilyas.jpg").default,
@@ -86,6 +94,7 @@ type: "researcher",
 },
 {
   name: "Olivia Maynard",
+  lastName: "Maynard",
   title: "Master's Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/maynard.jpg").default,
@@ -96,6 +105,7 @@ type: "researcher",
 },
 {
   name: "Dylan Ryan",
+  lastName: "Ryan",
   title: "Undergraduate Student",
   advisor: "Prof. Suren Byna",
   image: require("@site/static/img/members/ryan.jpg").default,
@@ -106,6 +116,7 @@ type: "researcher",
 },
 {
   name: "Ravi K Madduri",
+  lastName: "Madduri",
   title: "Senior Computer Scientist",
   affiliation: "Argonne National Laboratory",
   image: require("@site/static/img/members/madduri.jpg").default,
@@ -113,6 +124,7 @@ type: "researcher",
 },
 {
   name:"Jean Luca Bez",
+  lastName: "Bez",
   title: "Career-Track Research Scientist",
   affiliation: "Lawrence Berkeley National Laboratory",
   image: require("@site/static/img/members/bez.jpg").default,
@@ -124,10 +136,11 @@ type: "researcher",
   title: "Postdoctoral Researcher",
   affiliation: "Lawrence Berkeley National Laboratory",
   image: require("@site/static/img/members/zhang.jpg").default,
-  type: "external",
+  type: "previous",
 },
 {
   name: "Houjun Tang",
+  lastName: "Tang",
   title: "Computer Research Scientist",
   affiliation: "Lawrence Berkeley National Laboratory",
   image: require("@site/static/img/members/tang.jpg").default,
diff --git a/src/pages/members/index.mdx b/src/pages/members/index.mdx
index 75d2278..dc17676 100644
--- a/src/pages/members/index.mdx
+++ b/src/pages/members/index.mdx
@@ -15,10 +15,12 @@ import members from "@site/src/data/members";
 
 ## Students
 
-<MemberList data={members.filter((member) => member.type === "researcher")} />
-
+<MemberList data={members.filter((member) => member.type === "researcher").sort((a, b) => a.lastName.localeCompare(b.lastName))} />
 ## External Collaborators
 
-<MemberList data={members.filter((member) => member.type === "external")} />
+<MemberList data={members.filter((member) => member.type === "external").sort((a, b) => a.lastName.localeCompare(b.lastName))} />
+
+## Previous Members and Collaborators
 
+<MemberList data={members.filter((member) => member.type === "previous")} />
 
diff --git a/src/pages/members/suben-kumer-saha.mdx b/src/pages/members/suben-kumer-saha.mdx
index e026b22..8973dc2 100644
--- a/src/pages/members/suben-kumer-saha.mdx
+++ b/src/pages/members/suben-kumer-saha.mdx
@@ -18,7 +18,7 @@ import MemberPublications from "@site/src/components/people/MemberPublications";
   }}
 />
 
-Suben Kumer Saha is a PhD Student in the Department of Computer Science and Engineering at The Ohio State University and a member of the IDT Lab. Suben Kumer Saha works under the guidance of Prof. Suren Byna.
+Suben Kumer Saha is a Master's Student in the Department of Computer Science and Engineering at The Ohio State University and a member of the IDT Lab. Suben Kumer Saha works under the guidance of Prof. Suren Byna.
 
 </div>
 
diff --git a/src/pages/opportunities/index.mdx b/src/pages/opportunities/index.mdx
index d768a73..baaca4c 100644
--- a/src/pages/opportunities/index.mdx
+++ b/src/pages/opportunities/index.mdx
@@ -9,16 +9,17 @@ import JobItem from "@site/src/components/jobs/JobItem";
 The IDT Lab at The Ohio State University performs cutting-edge research in all aspects of data management for science, including storage and I/O, file systems, metadata management, data readiness, data movement performance analysis and tuning, and data security. The emphasis of the lab’s research is on developing systems and tools that make managing scientific data efficient and easy for scientists using high-performance computing (HPC), cloud, and edge computing systems. The IDT Lab collaborates with Department of Energy (DOE) national laboratories, industry, and universities. 
 
 
-<JobItem
+{/*Commented out for later reusability*/}
 
+{/* <JobItem
   detailLink="/opportunities/research-scientist-fall2025"
   detailText="More Details"
   location="On-campus, Columbus, OH"
   postedAt="Sep 1st, 2025"
   shortDescription="Looking for a Research Scientist with expertise in some of the research directions carried out in the lab. The ideal candidate should be capable of initiating and leading research and development in the areas of data management systems for high performance computing (HPC), parallel computing systems. "
-  status="open"
+  status="close"
   title="Research Scientist"
-/>
+/> */}
 
 ## Student Opportunities
 
diff --git a/src/types.ts b/src/types.ts
index 88bd362..201a032 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -35,7 +35,7 @@ export type Member = {
   name: string;
   researchInterests?: string[];
   title: string;
-  type: "researcher" | "engineer" | "visiting" | "external";
+  type: "researcher" | "engineer" | "visiting" | "external" | "previous";
 };
 
 export type ProjectId =