diff --git a/README.md b/README.md
index c3c87a4..5d0826a 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,8 @@ Create a new user.
 
 | Name | Type | Description | Required |
 | ---- | ---- | ----------- | -------- |
+| username | String | Username of the added user. Must be unique. | ✓ |
+| bio | String | Bio of the added user | ✓ |
 | first_name | String | First name of the added user. | ✓ |
 | last_name | String | Last name of the added user. | ✓ |
 | phone_number | String | Phone number of the added user. Shouldn't be needed but makes life easier. | X |
@@ -67,6 +69,7 @@ Created user object.
 {
   "id": "<id>",
   "username": "<username>",
+  "bio": "<bio>",
   "first_name": "<first_name>",
   "last_name": "<last_name>",
   "phone_number": "<phone_number>"
@@ -105,6 +108,7 @@ List of users.
   {
     "id": "<id>",
     "username": "<username>",
+    "bio": "<bio>",
     "first_name": "<first_name>",
     "last_name": "<last_name>"
   },
@@ -144,6 +148,7 @@ User object.
 {
   "id": "<id>",
   "username": "<username>",
+  "bio": "<bio>",
   "first_name": "<first_name>",
   "last_name": "<last_name>",
   "phone_number": "<phone_number>"
@@ -181,6 +186,7 @@ User object.
 {
   "id": "<id>",
   "username": "<username>",
+  "bio": "<bio>",
   "first_name": "<first_name>",
   "last_name": "<last_name>",
   "phone_number": "<phone_number>"
@@ -475,6 +481,8 @@ List of user objects in user's contacts.
 [
   {
     "id": "<id>",
+    "username": "<username>",
+    "bio": "<bio>",
     "first_name": "<first_name>",
     "last_name": "<last_name>"
   },
diff --git a/core b/core
new file mode 100755
index 0000000..f232e57
Binary files /dev/null and b/core differ
diff --git a/handlers.go b/handlers.go
index 4b08087..a23de45 100644
--- a/handlers.go
+++ b/handlers.go
@@ -41,12 +41,12 @@ func (h *Handler) CreateUser(w http.ResponseWriter, r *http.Request, _ httproute
 	// Insert
 	var finalId string
 	err = h.db.QueryRow(`
-		INSERT INTO "user" (id, username, first_name, last_name, phone_number)
-			VALUES ($1, $2, $3, $4, $5)
+		INSERT INTO "user" (id, username, bio, first_name, last_name, phone_number)
+			VALUES ($1, $2, $3, $4, $5, $6)
 			ON CONFLICT(phone_number)
 			DO UPDATE SET phone_number=EXCLUDED.phone_number, username=$2, first_name=$3, last_name=$4
 			RETURNING id
-	`, user.ID, user.Username, user.FirstName, user.LastName, user.PhoneNumber).Scan(&finalId)
+	`, user.ID, user.Username, user.Bio, user.FirstName, user.LastName, user.PhoneNumber).Scan(&finalId)
 	if err != nil {
 		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 		log.Print(err)
@@ -74,7 +74,7 @@ func (h *Handler) GetUsersByPhone(w http.ResponseWriter, r *http.Request, _ http
 
 	// Select
 	rows, err := h.db.Query(`
-		SELECT id, username, first_name, last_name FROM "user" WHERE phone_number = $1
+		SELECT id, username, bio, first_name, last_name FROM "user" WHERE phone_number = $1
 	`, phone)
 	if err != nil {
 		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
@@ -86,7 +86,7 @@ func (h *Handler) GetUsersByPhone(w http.ResponseWriter, r *http.Request, _ http
 	// Scan
 	for rows.Next() {
 		user := User{}
-		if err := rows.Scan(&user.ID, &user.Username, &user.FirstName, &user.LastName); err != nil {
+		if err := rows.Scan(&user.ID, &user.Username, &user.Bio, &user.FirstName, &user.LastName); err != nil {
 			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 			log.Print(err)
 			return
@@ -108,8 +108,8 @@ func (h *Handler) GetUser(w http.ResponseWriter, r *http.Request, p httprouter.P
 
 	// Select
 	err := h.db.QueryRow(`
-		SELECT id, username, first_name, last_name, phone_number FROM "user" WHERE id = $1
-	`, userID).Scan(&user.ID, &user.Username, &user.FirstName, &user.LastName, &user.PhoneNumber)
+		SELECT id, username, bio, first_name, last_name, phone_number FROM "user" WHERE id = $1
+	`, userID).Scan(&user.ID, &user.Username, &user.Bio, &user.FirstName, &user.LastName, &user.PhoneNumber)
 
 	switch {
 	case err == sql.ErrNoRows:
@@ -135,8 +135,8 @@ func (h *Handler) GetUserByUsername(w http.ResponseWriter, r *http.Request, p ht
 
 	// Select
 	err := h.db.QueryRow(`
-		SELECT id, username, first_name, last_name, phone_number FROM "user" WHERE username = $1
-	`, username).Scan(&user.ID, &user.Username, &user.FirstName, &user.LastName, &user.PhoneNumber)
+		SELECT id, username, bio, first_name, last_name, phone_number FROM "user" WHERE username = $1
+	`, username).Scan(&user.ID, &user.Username, &user.Bio, &user.FirstName, &user.LastName, &user.PhoneNumber)
 
 	switch {
 		case err == sql.ErrNoRows:
@@ -437,7 +437,7 @@ func (h *Handler) GetConversationMembers(w http.ResponseWriter, r *http.Request,
 
 	// Select
 	rows, err := h.db.Query(`
-		SELECT "user".id, "user".username, "user".first_name, "user".last_name, "user".phone_number FROM "user"
+		SELECT "user".id, "user".username, "user".bio, "user".first_name, "user".last_name, "user".phone_number FROM "user"
 		INNER JOIN member m ON "user".id = m.user AND "user".id != $1
 		INNER JOIN conversation ON "conversation".id = m.conversation
 		INNER JOIN member
@@ -452,13 +452,13 @@ func (h *Handler) GetConversationMembers(w http.ResponseWriter, r *http.Request,
 
 	// Scan
 	for rows.Next() {
-		var id, username, firstName, lastName, phoneNumber string
-		if err := rows.Scan(&id, &username, &firstName, &lastName, &phoneNumber); err != nil {
+		var id, username, bio, firstName, lastName, phoneNumber string
+		if err := rows.Scan(&id, &username, &bio, &firstName, &lastName, &phoneNumber); err != nil {
 			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 			log.Print(err)
 			return
 		}
-		users = append(users, User{ID: id, Username: username, FirstName: firstName, LastName: lastName, PhoneNumber: phoneNumber})
+        users = append(users, User{ID: id, Username: username, Bio: bio, FirstName: firstName, LastName: lastName, PhoneNumber: phoneNumber})
 	}
 
 	// Respond
@@ -493,8 +493,8 @@ func (h *Handler) CreateContact(w http.ResponseWriter, r *http.Request, p httpro
 	// Create contact if not exists, returning the id regardless
 	var contactId string
 	err = h.db.QueryRow(`
-		INSERT INTO "user" (id, username, first_name, last_name, phone_number)
-			VALUES ($1, '', '', '', $2)
+		INSERT INTO "user" (id, username, bio, first_name, last_name, phone_number)
+			VALUES ($1, '', '', '', '', $2)
 			ON CONFLICT(phone_number)
 			DO UPDATE SET phone_number=EXCLUDED.phone_number
 			RETURNING id
@@ -530,7 +530,7 @@ func (h *Handler) GetContacts(w http.ResponseWriter, r *http.Request, p httprout
 
 	// Select
 	rows, err := h.db.Query(`
-		SELECT id, username, first_name, last_name, phone_number FROM "user"
+		SELECT id, username, bio, first_name, last_name, phone_number FROM "user"
 		INNER JOIN contact
 		ON contact.contact = "user".id AND contact.user = $1
 	`, userID)
@@ -543,13 +543,13 @@ func (h *Handler) GetContacts(w http.ResponseWriter, r *http.Request, p httprout
 
 	// Scan
 	for rows.Next() {
-		var id, username, firstName, lastName, phone string
-		if err := rows.Scan(&id, &username, &firstName, &lastName, &phone); err != nil {
+		var id, username, bio, firstName, lastName, phone string
+		if err := rows.Scan(&id, &username, &bio, &firstName, &lastName, &phone); err != nil {
 			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 			log.Print(err)
 			return
 		}
-		contacts = append(contacts, User{id, username, firstName, lastName, phone})
+		contacts = append(contacts, User{id, username, bio, firstName, lastName, phone})
 	}
 
 	// Respond
diff --git a/postgres/1_initial.up.sql b/postgres/1_initial.up.sql
index 0aaece2..d3b7b26 100644
--- a/postgres/1_initial.up.sql
+++ b/postgres/1_initial.up.sql
@@ -2,6 +2,7 @@
 CREATE TABLE IF NOT EXISTS "user" (
 	id BYTEA PRIMARY KEY,
 	username VARCHAR(63555) UNIQUE,
+    bio VARCHAR(63535),
 	first_name VARCHAR(65535),
 	last_name VARCHAR(65535),
 	phone_number VARCHAR(32) UNIQUE
diff --git a/postgres/2_test_users.sql b/postgres/2_test_users.sql
index 4611761..82cc008 100644
--- a/postgres/2_test_users.sql
+++ b/postgres/2_test_users.sql
@@ -1,38 +1,42 @@
 INSERT INTO "user" (
-  id, username, first_name, last_name, phone_number
+  id, username, bio, first_name, last_name, phone_number
 ) VALUES (
   'u-7f48e2f2b6f7e4d1f9c864e48bc2b0f2',
   'ambc',
+  '',
   'Ambrose',
   'Chua',
   '+65 9766 3827'
 ) ON CONFLICT DO NOTHING;
 
 INSERT INTO "user" (
-  id, username, first_name, last_name, phone_number
+  id, username, bio, first_name, last_name, phone_number
 ) VALUES (
   'u-dc9537ca645ff34b4f289b6bd7aa08b7',
   'orcas',
+  '',
   'Daniel',
   'Lim',
   '+65 8737 7117'
 ) ON CONFLICT DO NOTHING;
 
 INSERT INTO "user" (
-  id, username, first_name, last_name, phone_number
+  id, username, bio, first_name, last_name, phone_number
 ) VALUES (
   'u-23e608245d0866ea937f15876adb5ef6',
   'it',
+  '',
   'Isaac',
   'Tay',
   '+65 8181 6346'
 ) ON CONFLICT DO NOTHING;
 
 INSERT INTO "user" (
-  id, username, first_name, last_name, phone_number
+  id, username, bio, first_name, last_name, phone_number
 ) VALUES (
   'u-fb91825f564a3cc110f11836fedea6f4',
   'solderneer',
+  '',
   'Sudharshan',
   '',
   '+65 8143 8417'
diff --git a/types.go b/types.go
index c1aea2c..152fc3c 100644
--- a/types.go
+++ b/types.go
@@ -8,6 +8,7 @@ type Conversation struct {
 type User struct {
 	ID          string `json:"id"`           // id
 	Username 		string `json:"username"`		 // username
+    Bio         string `json:"bio"`          // bio
 	FirstName   string `json:"first_name"`   // first_name
 	LastName    string `json:"last_name"`    // last_name
 	PhoneNumber string `json:"phone_number"` // phone_number