diff --git a/ibm_platform_services/usage_reports_v4.py b/ibm_platform_services/usage_reports_v4.py
index c045306..fce6a5f 100644
--- a/ibm_platform_services/usage_reports_v4.py
+++ b/ibm_platform_services/usage_reports_v4.py
@@ -2171,6 +2171,7 @@ class Offer:
     :param float credits_total: The total credits before applying the offer.
     :param str offer_template: The template with which the offer was generated.
     :param datetime valid_from: The date from which the offer is valid.
+    :param str created_by_email_id: The offer's creator's email id.
     :param datetime expires_on: The date until the offer is valid.
     :param OfferCredits credits: Credit information related to an offer.
     """
@@ -2181,6 +2182,7 @@ def __init__(
         credits_total: float,
         offer_template: str,
         valid_from: datetime,
+        created_by_email_id: str,
         expires_on: datetime,
         credits: 'OfferCredits',
     ) -> None:
@@ -2191,6 +2193,7 @@ def __init__(
         :param float credits_total: The total credits before applying the offer.
         :param str offer_template: The template with which the offer was generated.
         :param datetime valid_from: The date from which the offer is valid.
+        :param str created_by_email_id: The offer's creator's email id.
         :param datetime expires_on: The date until the offer is valid.
         :param OfferCredits credits: Credit information related to an offer.
         """
@@ -2198,6 +2201,7 @@ def __init__(
         self.credits_total = credits_total
         self.offer_template = offer_template
         self.valid_from = valid_from
+        self.created_by_email_id = created_by_email_id
         self.expires_on = expires_on
         self.credits = credits
 
@@ -2221,6 +2225,10 @@ def from_dict(cls, _dict: Dict) -> 'Offer':
             args['valid_from'] = string_to_datetime(valid_from)
         else:
             raise ValueError('Required property \'valid_from\' not present in Offer JSON')
+        if (created_by_email_id := _dict.get('created_by_email_id')) is not None:
+            args['created_by_email_id'] = created_by_email_id
+        else:
+            raise ValueError('Required property \'created_by_email_id\' not present in Offer JSON')
         if (expires_on := _dict.get('expires_on')) is not None:
             args['expires_on'] = string_to_datetime(expires_on)
         else:
@@ -2247,6 +2255,8 @@ def to_dict(self) -> Dict:
             _dict['offer_template'] = self.offer_template
         if hasattr(self, 'valid_from') and self.valid_from is not None:
             _dict['valid_from'] = datetime_to_string(self.valid_from)
+        if hasattr(self, 'created_by_email_id') and self.created_by_email_id is not None:
+            _dict['created_by_email_id'] = self.created_by_email_id
         if hasattr(self, 'expires_on') and self.expires_on is not None:
             _dict['expires_on'] = datetime_to_string(self.expires_on)
         if hasattr(self, 'credits') and self.credits is not None:
diff --git a/test/unit/test_usage_reports_v4.py b/test/unit/test_usage_reports_v4.py
index 6d0d568..39e885a 100644
--- a/test/unit/test_usage_reports_v4.py
+++ b/test/unit/test_usage_reports_v4.py
@@ -108,7 +108,7 @@ def test_get_account_summary_all_params(self):
         """
         # Set up mock
         url = preprocess_url('/v4/accounts/testString/summary/testString')
-        mock_response = '{"account_id": "account_id", "account_resources": [{"resource_id": "resource_id", "catalog_id": "catalog_id", "resource_name": "resource_name", "billable_cost": 13, "billable_rated_cost": 19, "non_billable_cost": 17, "non_billable_rated_cost": 23, "plans": [{"plan_id": "plan_id", "plan_name": "plan_name", "pricing_region": "pricing_region", "pricing_plan_id": "pricing_plan_id", "billable": true, "cost": 4, "rated_cost": 10, "usage": [{"metric": "UP-TIME", "metric_name": "UP-TIME", "quantity": 711.11, "rateable_quantity": 700, "cost": 123.45, "rated_cost": 130.0, "price": ["anyValue"], "unit": "HOURS", "unit_name": "HOURS", "non_chargeable": true, "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "volume_discount": 15, "volume_cost": 11}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "pending": true}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}]}], "month": "month", "billing_country_code": "billing_country_code", "billing_currency_code": "billing_currency_code", "resources": {"billable_cost": 13, "non_billable_cost": 17}, "offers": [{"offer_id": "offer_id", "credits_total": 13, "offer_template": "offer_template", "valid_from": "2019-01-01T12:00:00.000Z", "expires_on": "2019-01-01T12:00:00.000Z", "credits": {"starting_balance": 16, "used": 4, "balance": 7}}], "support": [{"cost": 4, "type": "type", "overage": 7}], "support_resources": ["anyValue"], "subscription": {"overage": 7, "subscriptions": [{"subscription_id": "subscription_id", "charge_agreement_number": "charge_agreement_number", "type": "type", "subscription_amount": 19, "start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits_total": 13, "terms": [{"start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits": {"total": 5, "starting_balance": 16, "used": 4, "balance": 7}}]}]}}'
+        mock_response = '{"account_id": "account_id", "account_resources": [{"resource_id": "resource_id", "catalog_id": "catalog_id", "resource_name": "resource_name", "billable_cost": 13, "billable_rated_cost": 19, "non_billable_cost": 17, "non_billable_rated_cost": 23, "plans": [{"plan_id": "plan_id", "plan_name": "plan_name", "pricing_region": "pricing_region", "pricing_plan_id": "pricing_plan_id", "billable": true, "cost": 4, "rated_cost": 10, "usage": [{"metric": "UP-TIME", "metric_name": "UP-TIME", "quantity": 711.11, "rateable_quantity": 700, "cost": 123.45, "rated_cost": 130.0, "price": ["anyValue"], "unit": "HOURS", "unit_name": "HOURS", "non_chargeable": true, "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "volume_discount": 15, "volume_cost": 11}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "pending": true}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}]}], "month": "month", "billing_country_code": "billing_country_code", "billing_currency_code": "billing_currency_code", "resources": {"billable_cost": 13, "non_billable_cost": 17}, "offers": [{"offer_id": "offer_id", "credits_total": 13, "offer_template": "offer_template", "valid_from": "2019-01-01T12:00:00.000Z", "created_by_email_id": "created_by_email_id", "expires_on": "2019-01-01T12:00:00.000Z", "credits": {"starting_balance": 16, "used": 4, "balance": 7}}], "support": [{"cost": 4, "type": "type", "overage": 7}], "support_resources": ["anyValue"], "subscription": {"overage": 7, "subscriptions": [{"subscription_id": "subscription_id", "charge_agreement_number": "charge_agreement_number", "type": "type", "subscription_amount": 19, "start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits_total": 13, "terms": [{"start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits": {"total": 5, "starting_balance": 16, "used": 4, "balance": 7}}]}]}}'
         responses.add(
             responses.GET,
             url,
@@ -148,7 +148,7 @@ def test_get_account_summary_value_error(self):
         """
         # Set up mock
         url = preprocess_url('/v4/accounts/testString/summary/testString')
-        mock_response = '{"account_id": "account_id", "account_resources": [{"resource_id": "resource_id", "catalog_id": "catalog_id", "resource_name": "resource_name", "billable_cost": 13, "billable_rated_cost": 19, "non_billable_cost": 17, "non_billable_rated_cost": 23, "plans": [{"plan_id": "plan_id", "plan_name": "plan_name", "pricing_region": "pricing_region", "pricing_plan_id": "pricing_plan_id", "billable": true, "cost": 4, "rated_cost": 10, "usage": [{"metric": "UP-TIME", "metric_name": "UP-TIME", "quantity": 711.11, "rateable_quantity": 700, "cost": 123.45, "rated_cost": 130.0, "price": ["anyValue"], "unit": "HOURS", "unit_name": "HOURS", "non_chargeable": true, "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "volume_discount": 15, "volume_cost": 11}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "pending": true}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}]}], "month": "month", "billing_country_code": "billing_country_code", "billing_currency_code": "billing_currency_code", "resources": {"billable_cost": 13, "non_billable_cost": 17}, "offers": [{"offer_id": "offer_id", "credits_total": 13, "offer_template": "offer_template", "valid_from": "2019-01-01T12:00:00.000Z", "expires_on": "2019-01-01T12:00:00.000Z", "credits": {"starting_balance": 16, "used": 4, "balance": 7}}], "support": [{"cost": 4, "type": "type", "overage": 7}], "support_resources": ["anyValue"], "subscription": {"overage": 7, "subscriptions": [{"subscription_id": "subscription_id", "charge_agreement_number": "charge_agreement_number", "type": "type", "subscription_amount": 19, "start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits_total": 13, "terms": [{"start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits": {"total": 5, "starting_balance": 16, "used": 4, "balance": 7}}]}]}}'
+        mock_response = '{"account_id": "account_id", "account_resources": [{"resource_id": "resource_id", "catalog_id": "catalog_id", "resource_name": "resource_name", "billable_cost": 13, "billable_rated_cost": 19, "non_billable_cost": 17, "non_billable_rated_cost": 23, "plans": [{"plan_id": "plan_id", "plan_name": "plan_name", "pricing_region": "pricing_region", "pricing_plan_id": "pricing_plan_id", "billable": true, "cost": 4, "rated_cost": 10, "usage": [{"metric": "UP-TIME", "metric_name": "UP-TIME", "quantity": 711.11, "rateable_quantity": 700, "cost": 123.45, "rated_cost": 130.0, "price": ["anyValue"], "unit": "HOURS", "unit_name": "HOURS", "non_chargeable": true, "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "volume_discount": 15, "volume_cost": 11}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}], "pending": true}], "discounts": [{"ref": "Discount-d27beddb-111b-4bbf-8cb1-b770f531c1a9", "name": "platform-discount", "display_name": "Platform Service Discount", "discount": 5}]}], "month": "month", "billing_country_code": "billing_country_code", "billing_currency_code": "billing_currency_code", "resources": {"billable_cost": 13, "non_billable_cost": 17}, "offers": [{"offer_id": "offer_id", "credits_total": 13, "offer_template": "offer_template", "valid_from": "2019-01-01T12:00:00.000Z", "created_by_email_id": "created_by_email_id", "expires_on": "2019-01-01T12:00:00.000Z", "credits": {"starting_balance": 16, "used": 4, "balance": 7}}], "support": [{"cost": 4, "type": "type", "overage": 7}], "support_resources": ["anyValue"], "subscription": {"overage": 7, "subscriptions": [{"subscription_id": "subscription_id", "charge_agreement_number": "charge_agreement_number", "type": "type", "subscription_amount": 19, "start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits_total": 13, "terms": [{"start": "2019-01-01T12:00:00.000Z", "end": "2019-01-01T12:00:00.000Z", "credits": {"total": 5, "starting_balance": 16, "used": 4, "balance": 7}}]}]}}'
         responses.add(
             responses.GET,
             url,
@@ -2255,6 +2255,7 @@ def test_account_summary_serialization(self):
         offer_model['credits_total'] = 72.5
         offer_model['offer_template'] = 'testString'
         offer_model['valid_from'] = '2019-01-01T12:00:00Z'
+        offer_model['created_by_email_id'] = 'testString'
         offer_model['expires_on'] = '2019-01-01T12:00:00Z'
         offer_model['credits'] = offer_credits_model
 
@@ -2745,6 +2746,7 @@ def test_offer_serialization(self):
         offer_model_json['credits_total'] = 72.5
         offer_model_json['offer_template'] = 'testString'
         offer_model_json['valid_from'] = '2019-01-01T12:00:00Z'
+        offer_model_json['created_by_email_id'] = 'testString'
         offer_model_json['expires_on'] = '2019-01-01T12:00:00Z'
         offer_model_json['credits'] = offer_credits_model