diff --git a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignment.java b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignment.java
index a9206934d7..953480581d 100644
--- a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignment.java
+++ b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignment.java
@@ -33,7 +33,7 @@ public class ReviewAssignment {
     @Schema(description = "The id of the review assignment", required = true)
     private UUID id;
 
-    public ReviewAssignment(UUID revieweeId, UUID reviewerId, UUID reviewPeriodId, Boolean approved) {
+    public ReviewAssignment(UUID revieweeId, @Nullable UUID reviewerId, UUID reviewPeriodId, Boolean approved) {
         this.revieweeId = revieweeId;
         this.reviewerId = reviewerId;
         this.reviewPeriodId = reviewPeriodId;
@@ -46,10 +46,10 @@ public ReviewAssignment(UUID revieweeId, UUID reviewerId, UUID reviewPeriodId, B
     @Schema(required = true, description = "The ID of the employee being reviewed")
     private UUID revieweeId;
 
-    @NotBlank
+    @Nullable
     @Column(name = "reviewer_id")
     @TypeDef(type = DataType.STRING)
-    @Schema(required = true, description = "The ID of the employee conducting the review")
+    @Schema(description = "The ID of the employee conducting the review")
     private UUID reviewerId;
 
     @NotBlank
diff --git a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentController.java b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentController.java
index a17a7cd4b9..ed83c31214 100644
--- a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentController.java
+++ b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentController.java
@@ -71,7 +71,7 @@ public Mono<HttpResponse<ReviewAssignment>> createReviewAssignment(@Body @Valid
      */
     @Post("/{reviewPeriodId}")
     @RequiredPermission(Permission.CAN_CREATE_REVIEW_ASSIGNMENTS)
-    public Mono<HttpResponse<List<ReviewAssignment>>> createReviewAssignment(@NotNull UUID reviewPeriodId, @Body @Valid List<ReviewAssignmentDTO> assignments) {
+    public Mono<HttpResponse<List<ReviewAssignment>>> createReviewAssignment(@NotNull UUID reviewPeriodId, @Body List<@Valid ReviewAssignmentDTO> assignments) {
 
         return Mono.fromCallable(() -> reviewAssignmentServices.saveAll(reviewPeriodId,
                 assignments.stream().map(ReviewAssignmentDTO::convertToEntity).collect(Collectors.toList()),
diff --git a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentDTO.java b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentDTO.java
index 460ad96ece..dda21dba1a 100644
--- a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentDTO.java
+++ b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentDTO.java
@@ -20,8 +20,8 @@ public class ReviewAssignmentDTO {
     @Schema(required = true, description = "The ID of the employee being reviewed")
     private UUID revieweeId;
 
-    @NotBlank
-    @Schema(required = true, description = "The ID of the employee conducting the review")
+    @Nullable
+    @Schema(description = "The ID of the employee conducting the review")
     private UUID reviewerId;
 
     @NotBlank
diff --git a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentServicesImpl.java b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentServicesImpl.java
index 20ba4bb998..ea49db439f 100644
--- a/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentServicesImpl.java
+++ b/server/src/main/java/com/objectcomputing/checkins/services/reviews/ReviewAssignmentServicesImpl.java
@@ -52,7 +52,7 @@ public List<ReviewAssignment> saveAll(UUID reviewPeriodId, List<ReviewAssignment
         }
 
         List<ReviewAssignment> newAssignments = new ArrayList<>();
-        if (reviewAssignments != null) {
+        if (reviewAssignments != null && !reviewAssignments.isEmpty()) {
             for (ReviewAssignment reviewAssignment : reviewAssignments) {
                 if (reviewAssignment.getId() != null) {
                     throw new BadArgException(String.format("Found unexpected id %s for review assignment. New entities must not contain an id.",