diff --git a/lib/models/session.dart b/lib/models/session.dart
index 45b7d0d..fc9272c 100644
--- a/lib/models/session.dart
+++ b/lib/models/session.dart
@@ -1,4 +1,9 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'session.g.dart';
+
 /// Represents the metadata for data collection session.
+@JsonSerializable()
 class Session {
   /// Unique identifier for the participant
   final String participantID;
@@ -24,4 +29,9 @@ class Session {
     return "Session(participantID: $participantID, sessionID: $sessionID, "
         "startTime: $startTime, endTime: $endTime)";
   }
+
+  /// Convert the [Session] object to its json representation.
+  /// This method is particularly useful when uploading data to Firebase and
+  /// similar no-sql dbs.
+  Map<String, dynamic> toJson() => _$SessionToJson(this);
 }
diff --git a/lib/models/session.g.dart b/lib/models/session.g.dart
new file mode 100644
index 0000000..71dd51e
--- /dev/null
+++ b/lib/models/session.g.dart
@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'session.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Session _$SessionFromJson(Map<String, dynamic> json) => Session(
+      participantID: json['participantID'] as String,
+      sessionID: json['sessionID'] as String,
+      startTime: DateTime.parse(json['startTime'] as String),
+      endTime: DateTime.parse(json['endTime'] as String),
+    );
+
+Map<String, dynamic> _$SessionToJson(Session instance) => <String, dynamic>{
+      'participantID': instance.participantID,
+      'sessionID': instance.sessionID,
+      'startTime': instance.startTime.toIso8601String(),
+      'endTime': instance.endTime.toIso8601String(),
+    };
diff --git a/test/models/session_test.dart b/test/models/session_test.dart
index f872df4..5eac78c 100644
--- a/test/models/session_test.dart
+++ b/test/models/session_test.dart
@@ -15,4 +15,20 @@ void main() {
         "endTime: ${session.endTime})";
     expect(session.toString(), strRep);
   });
+
+  test(
+    "Session.toJson() returns a valid json representation",
+    () {
+      final Session session = Session(
+        participantID: '101',
+        sessionID: '001',
+        startTime: DateTime.now(),
+        endTime: DateTime.now(),
+      );
+
+      final Map<String, dynamic> sessionJson = session.toJson();
+
+      expect(sessionJson, isMap);
+    },
+  );
 }