diff --git a/scripts/addZenProspectLeadsToClose.js b/scripts/addZenProspectLeadsToClose.js
index 1ea79e13b..ce44237d6 100644
--- a/scripts/addZenProspectLeadsToClose.js
+++ b/scripts/addZenProspectLeadsToClose.js
@@ -6,6 +6,10 @@ if (process.argv.length !== 4) {
   process.exit();
 }
 
+// NOTE: last_activity_date_range is the contacted at date, UTC
+
+// TODO: Only looking at contacts created in last 30 days.  How do we catch replies for contacts older than 30 days?
+
 const closeIoApiKey = process.argv[2];
 const zpAuthToken = process.argv[3];
 
@@ -15,6 +19,9 @@ const async = require('async');
 const request = require('request');
 
 const zpPageSize = 100;
+let zpMinActivityDate = new Date();
+zpMinActivityDate.setUTCDate(zpMinActivityDate.getUTCDate() - 30);
+zpMinActivityDate = zpMinActivityDate.toISOString().substring(0, 10);
 
 getZPContacts((err, emailContactMap) => {
   if (err) {
@@ -39,7 +46,6 @@ function createCloseLead(zpContact, done) {
     contacts: [
       {
         name: zpContact.name,
-        title: zpContact.title,
         emails: [{email: zpContact.email}]
       }
     ],
@@ -51,6 +57,9 @@ function createCloseLead(zpContact, done) {
   if (zpContact.phone) {
     postData.contacts[0].phones = [{phone: zpContact.phone}];
   }
+  if (zpContact.title) {
+    postData.contacts[0].title = zpContact.title;
+  }
   if (zpContact.district) {
     postData.custom['demo_nces_district'] = zpContact.district;
     postData.custom['demo_nces_name'] = zpContact.organization;
@@ -189,7 +198,7 @@ function getZPContactsPage(contacts, searchQuery, done) {
 function createGetZPAutoResponderContactsPage(contacts, page) {
   return (done) => {
     // console.log(`DEBUG: Fetching autoresponder page ${page} ${zpPageSize}...`);
-    let searchQuery = `codecombat_special_auth_token=${zpAuthToken}&page=${page}&per_page=${zpPageSize}&contact_email_autoresponder=true`;
+    let searchQuery = `codecombat_special_auth_token=${zpAuthToken}&page=${page}&per_page=${zpPageSize}&last_activity_date_range[min]=${zpMinActivityDate}&contact_email_autoresponder=true`;
     getZPContactsPage(contacts, searchQuery, done);
   };
 }
@@ -197,7 +206,7 @@ function createGetZPAutoResponderContactsPage(contacts, page) {
 function createGetZPRepliedContactsPage(contacts, page) {
   return (done) => {
     // console.log(`DEBUG: Fetching email reply page ${page} ${zpPageSize}...`);
-    let searchQuery = `codecombat_special_auth_token=${zpAuthToken}&page=${page}&per_page=${zpPageSize}&contact_email_replied=true`;
+    let searchQuery = `codecombat_special_auth_token=${zpAuthToken}&page=${page}&per_page=${zpPageSize}&last_activity_date_range[min]=${zpMinActivityDate}&contact_email_replied=true`;
     getZPContactsPage(contacts, searchQuery, done);
   };
 }
@@ -222,7 +231,7 @@ function getZPContacts(done) {
         if (err) return done(err);
         const emailContactMap = {};
         for (const contact of contacts) {
-          if (!contact.organization || !contact.name || !contact.title || !contact.email) {
+          if (!contact.organization || !contact.name || !contact.email) {
             console.log(JSON.stringify(contact, null, 2));
             return done(`DEBUG: missing data for zp contact:`);
           }