diff --git a/buscribe_data.sql b/buscribe_data.sql
index d99273a..21c849e 100644
--- a/buscribe_data.sql
+++ b/buscribe_data.sql
@@ -43,8 +43,8 @@ CREATE TABLE buscribe_speakers
 
 CREATE TABLE buscribe_verifiers
 (
-    id    SERIAL PRIMARY KEY,
-    email TEXT NOT NULL,
+--     id    SERIAL PRIMARY KEY,
+    email TEXT PRIMARY KEY,
     name  TEXT NOT NULL
 );
 
@@ -57,7 +57,7 @@ CREATE TABLE buscribe_line_speakers
 --     id       BIGSERIAL PRIMARY KEY,
     line     BIGINT NOT NULL REFERENCES buscribe_transcriptions,
     speaker  BIGINT NOT NULL REFERENCES buscribe_speakers,
-    verifier INT    NOT NULL REFERENCES buscribe_verifiers,
+    verifier text   NOT NULL REFERENCES buscribe_verifiers,
     PRIMARY KEY (line, speaker, verifier)
 );
 
@@ -66,6 +66,6 @@ CREATE TABLE buscribe_verified_lines
 --     id            BIGSERIAL PRIMARY KEY,
     line          BIGINT NOT NULL REFERENCES buscribe_transcriptions,
     verified_line TEXT   NOT NULL,
-    verifier      INT REFERENCES buscribe_verifiers,
+    verifier      text REFERENCES buscribe_verifiers,
     PRIMARY KEY (line, verifier)
 );
diff --git a/professor-api/professor_api/professor_api.py b/professor-api/professor_api/professor_api.py
index 41f444f..b684230 100644
--- a/professor-api/professor_api/professor_api.py
+++ b/professor-api/professor_api/professor_api.py
@@ -54,11 +54,11 @@ def update_line(line_id):
         # Simpler than dealing with uniqueness
         database.query(db_conn,
                        "DELETE FROM buscribe_line_speakers WHERE line = %(line_id)s AND verifier = %(verifier)s;",
-                       line_id=line_id, verifier=1)
+                       line_id=line_id, verifier="placeholder@example.com")
         execute_values(db_conn.cursor(),
                        "INSERT INTO buscribe_line_speakers(line, speaker, verifier) "
                        "VALUES %s;",
-                       [(line_id, speaker, 1) for speaker in
+                       [(line_id, speaker, "placeholder@example.com") for speaker in
                         request.json["speakers"]])
     if "transcription" in request.json and isinstance(request.json["transcription"], str):
         verified_line = request.json["transcription"].lower()
@@ -66,11 +66,11 @@ def update_line(line_id):
 
         database.query(db_conn,
                        "DELETE FROM buscribe_verified_lines WHERE line = %(line_id)s AND verifier = %(verifier)s;",
-                       line_id=line_id, verifier=1)
+                       line_id=line_id, verifier="placeholder@example.com")
         database.query(db_conn,
                        "INSERT INTO buscribe_verified_lines(line, verified_line, verifier) "
                        "VALUES (%(line)s, %(verified_line)s, %(verifier)s)",
-                       line=line_id, verified_line=verified_line, verifier=1)
+                       line=line_id, verified_line=verified_line, verifier="placeholder@example.com")
 
     return "", 204