diff --git a/migrations/create-events.mjs b/migrations/create-events.mjs
new file mode 100644
index 00000000..57f8dc83
--- /dev/null
+++ b/migrations/create-events.mjs
@@ -0,0 +1,42 @@
+export async function up(db) {
+  await db.createCollection('events', {
+    validator: {
+      $jsonSchema: {
+        bsonType: 'object',
+        title: 'Events Object Validation',
+        required: ['name', 'type', 'location', 'time'],
+        properties: {
+          _id: {
+            bsonType: 'objectId',
+            description: '_id must be an ObjectId',
+          },
+          name: {
+            bsonType: 'string',
+            description: 'name must be a string',
+          },
+          type: {
+            enum: ['workshop', 'meal', 'mixer'],
+            description: 'type must be a valid event type',
+          },
+          description: {
+            bsonType: 'string',
+            description: 'description must be a string',
+          },
+          location: {
+            bsonType: 'string',
+            description: 'location must be a string',
+          },
+          time: {
+            bsonType: 'date',
+            description: 'time must be a date',
+          },
+        },
+        additionalProperties: false,
+      },
+    },
+  });
+}
+
+export async function down(db) {
+  await db.collection('events').drop();
+}
diff --git a/migrations/create-helpTimers.mjs b/migrations/create-helpTimers.mjs
deleted file mode 100644
index ece78a07..00000000
--- a/migrations/create-helpTimers.mjs
+++ /dev/null
@@ -1,27 +0,0 @@
-export async function up(db) {
-  await db.createCollection('helpTimers', {
-    validator: {
-      $jsonSchema: {
-        bsonType: 'object',
-        title: 'Help Timer Object Validation',
-        required: ['time'],
-        properties: {
-          _id: {
-            bsonType: 'objectId',
-            description: '_id must be an ObjectId',
-          },
-          time: {
-            bsonType: 'string',
-            description: 'time must be a string',
-            pattern: '^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}$',
-          },
-        },
-        additionalProperties: false,
-      },
-    },
-  });
-}
-
-export async function down(db) {
-  await db.collection('helpTimers').drop();
-}
diff --git a/migrations/create-judgeGroups.mjs b/migrations/create-judgeGroups.mjs
deleted file mode 100644
index 38fd58fd..00000000
--- a/migrations/create-judgeGroups.mjs
+++ /dev/null
@@ -1,34 +0,0 @@
-export async function up(db) {
-  await db.createCollection('judgeGroups', {
-    validator: {
-      $jsonSchema: {
-        bsonType: 'object',
-        title: 'JudgeGroup Object Validation',
-        required: ['type'],
-        properties: {
-          _id: {
-            bsonType: 'objectId',
-            description: '_id must be an ObjectId',
-          },
-          type: {
-            enum: ['tech', 'business', 'design'],
-            description: 'type must be either tech, business, or design.',
-          },
-          judge_ids: {
-            bsonType: 'array',
-            description: 'judge_ids must be an array of ObjectIds',
-            items: {
-              bsonType: 'objectId',
-              description: 'judge_id must be an ObjectId',
-            },
-          },
-        },
-        additionalProperties: false,
-      },
-    },
-  });
-}
-
-export async function down(db) {
-  await db.collection('judgeGroups').drop();
-}
diff --git a/migrations/create-judgeGroupToTeams.mjs b/migrations/create-judgeToTeams.mjs
similarity index 68%
rename from migrations/create-judgeGroupToTeams.mjs
rename to migrations/create-judgeToTeams.mjs
index 6bbd0444..1a78db4c 100644
--- a/migrations/create-judgeGroupToTeams.mjs
+++ b/migrations/create-judgeToTeams.mjs
@@ -1,18 +1,18 @@
 export async function up(db) {
-  await db.createCollection('judgeGroupToTeams', {
+  await db.createCollection('judgeToTeams', {
     validator: {
       $jsonSchema: {
         bsonType: 'object',
-        title: 'JudgeGroupToTeam Object Validation',
-        required: ['judge_group_id', 'team_id', 'round'],
+        title: 'JudgeToTeams Object Validation',
+        required: ['judge_id', 'team_id', 'round'],
         properties: {
           _id: {
             bsonType: 'objectId',
             description: '_id must be an ObjectId',
           },
-          judge_group_id: {
+          judge_id: {
             bsonType: 'objectId',
-            description: 'judge_group_id must be an ObjectId',
+            description: 'judge_id must be an ObjectId',
           },
           team_id: {
             bsonType: 'objectId',
@@ -31,5 +31,5 @@ export async function up(db) {
 }
 
 export async function down(db) {
-  await db.collection('judgeGroupToTeams').drop();
+  await db.collection('judgeToTeams').drop();
 }
diff --git a/migrations/create-submissions.mjs b/migrations/create-submissions.mjs
index d351e5de..10cec8bc 100644
--- a/migrations/create-submissions.mjs
+++ b/migrations/create-submissions.mjs
@@ -5,7 +5,7 @@ export async function up(db) {
     validator: {
       $jsonSchema: {
         bsonType: 'object',
-        title: 'Submission Object Validation',
+        title: 'Submissions Object Validation',
         required: ['judge_id', 'team_id'],
         properties: {
           _id: {
diff --git a/migrations/create-teams.mjs b/migrations/create-teams.mjs
index e2e2d14f..bd782a57 100644
--- a/migrations/create-teams.mjs
+++ b/migrations/create-teams.mjs
@@ -5,7 +5,7 @@ export async function up(db) {
     validator: {
       $jsonSchema: {
         bsonType: 'object',
-        title: 'Team Object Validation',
+        title: 'Teams Object Validation',
         required: ['number', 'name', 'tracks'],
         properties: {
           _id: {
diff --git a/migrations/create-userToEvents.mjs b/migrations/create-userToEvents.mjs
new file mode 100644
index 00000000..0917ed75
--- /dev/null
+++ b/migrations/create-userToEvents.mjs
@@ -0,0 +1,30 @@
+export async function up(db) {
+  await db.createCollection('userToEvents', {
+    validator: {
+      $jsonSchema: {
+        bsonType: 'object',
+        title: 'userToEvents Object Validation',
+        required: ['user_id', 'event_id'],
+        properties: {
+          _id: {
+            bsonType: 'objectId',
+            description: '_id must be an ObjectId',
+          },
+          user_id: {
+            bsonType: 'objectId',
+            description: 'user_id must be an ObjectId',
+          },
+          event_id: {
+            bsonType: 'objectId',
+            description: 'event_id must be an ObjectId',
+          },
+        },
+        additionalProperties: false,
+      },
+    },
+  });
+}
+
+export async function down(db) {
+  await db.collection('userToEvents').drop();
+}
diff --git a/migrations/create-judges.mjs b/migrations/create-users.mjs
similarity index 72%
rename from migrations/create-judges.mjs
rename to migrations/create-users.mjs
index 84c7e017..888d7bc4 100644
--- a/migrations/create-judges.mjs
+++ b/migrations/create-users.mjs
@@ -1,10 +1,10 @@
 export async function up(db) {
-  await db.createCollection('judges', {
+  await db.createCollection('users', {
     validator: {
       $jsonSchema: {
         bsonType: 'object',
-        title: 'Judge Object Validation',
-        required: ['name', 'email', 'password', 'specialty', 'role'],
+        title: 'Users Object Validation',
+        required: ['name', 'email', 'password', 'team_id', 'specialty', 'role'],
         properties: {
           _id: {
             bsonType: 'objectId',
@@ -23,17 +23,17 @@ export async function up(db) {
             bsonType: 'string',
             description: 'encrypted password must be a string',
           },
+          team_id: {
+            bsonType: 'objectId',
+            description: 'team_id must be an ObjectId',
+          },
           specialty: {
             enum: ['tech', 'business', 'design'],
             description: 'specialty must be either tech, business, or design',
           },
-          judge_group_id: {
-            bsonType: 'objectId',
-            description: 'judge_group_id must be an ObjectId',
-          },
           role: {
-            enum: ['judge', 'admin'],
-            description: 'role must be either judge or admin',
+            enum: ['hacker', 'judge', 'admin'],
+            description: 'role must be either hacker, judge, or admin',
           },
         },
         additionalProperties: false,
@@ -43,5 +43,5 @@ export async function up(db) {
 }
 
 export async function down(db) {
-  await db.collection('judges').drop();
+  await db.collection('users').drop();
 }