diff --git a/admin/src/components/RowDetails.vue b/admin/src/components/RowDetails.vue
index 9715ef158..97858c22b 100644
--- a/admin/src/components/RowDetails.vue
+++ b/admin/src/components/RowDetails.vue
@@ -6,7 +6,7 @@
         :icon="type === 'PageCreationConfirm' ? 'x' : 'eye-slash-fill'"
         aria-label="Help"
       ></b-icon>
-      {{ $t('hide_details') }} {{ row.item.user.firstName }} {{ row.item.user.lastName }}
+      {{ $t('hide_details') }}
     </b-button>
   </b-card>
 </template>
diff --git a/admin/src/components/Tables/OpenCreationsTable.vue b/admin/src/components/Tables/OpenCreationsTable.vue
index d94f85bae..f6bd49343 100644
--- a/admin/src/components/Tables/OpenCreationsTable.vue
+++ b/admin/src/components/Tables/OpenCreationsTable.vue
@@ -30,9 +30,9 @@
       </template>
       <template #cell(memo)="row">
         {{ row.value }}
-        <small v-if="row.item.updatedBy > 0">
+        <small v-if="isAddCommentToMemo(row.item)">
           <hr />
-          {{ $t('moderator.memo-modified') }}
+          {{ getMemoComment(row.item) }}
         </small>
       </template>
       <template #cell(editCreation)="row">
@@ -229,6 +229,27 @@ export default {
         this.creationUserData = row.item
       }
     },
+    isAddCommentToMemo(item) {
+      return item.updatedBy > 0 || item.confirmedBy > 0 || item.deletedBy > 0 || item.deniedBy > 0
+    },
+    getMemoComment(item) {
+      let comment = ''
+      if (item.confirmedBy > 0) {
+        comment = this.$t('contribution.confirmedBy', { name: item.confirmedByUserName })
+      } else if (item.deletedBy > 0) {
+        comment = this.$t('contribution.deletedBy', { name: item.deletedByUserName })
+      } else if (item.deniedBy > 0) {
+        comment = this.$t('contribution.deniedBy', { name: item.deniedByUserName })
+      }
+
+      if (item.updatedBy > 0) {
+        if (comment.length) {
+          comment += ' '
+        }
+        comment += this.$t('moderator.memo-modified', { name: item.updatedByUserName })
+      }
+      return comment
+    },
     addClipboardListener() {
       document.addEventListener('copy', this.handleCopy)
     },
diff --git a/admin/src/graphql/adminListContributions.graphql b/admin/src/graphql/adminListContributions.graphql
index 57c26c10a..a73788c23 100644
--- a/admin/src/graphql/adminListContributions.graphql
+++ b/admin/src/graphql/adminListContributions.graphql
@@ -23,15 +23,20 @@ query adminListContributions(
       contributionDate
       confirmedAt
       confirmedBy
+      confirmedByUserName
       updatedAt
-      updatedBy
+      updatedBy 
+      updatedByUserName
       contributionStatus
       messagesCount
       deniedAt
       deniedBy
+      deniedByUserName
       deletedAt
       deletedBy
+      deletedByUserName
       moderatorId
+      moderatorUserName
       userId
       resubmissionAt
     }
diff --git a/admin/src/locales/de.json b/admin/src/locales/de.json
index 58e3efcfc..4e47cf2fa 100644
--- a/admin/src/locales/de.json
+++ b/admin/src/locales/de.json
@@ -16,6 +16,11 @@
   "back": "zurück",
   "change_user_role": "Nutzerrolle ändern",
   "close": "Schließen",
+  "contribution": {
+    "confirmedBy": "Bestätigt von {name}.",
+    "deletedBy": "Gelöscht von {name}.",
+    "deniedBy": "Abgelehnt von {name}."
+  },
   "contributionLink": {
     "amount": "Betrag",
     "changeSaved": "Änderungen gespeichert",
@@ -171,10 +176,11 @@
     "notice-tooltip": "Die Notiz ist nur für Moderatoren sichtbar",
     "memo": "Text ändern",
     "memo-tooltip": "Den Beitragstext bearbeiten",
-    "memo-modified": "Text vom Moderator bearbeitet.",
+    "memo-modified": "Text von {name} bearbeitet.",
     "message": "Nachricht",
     "message-tooltip": "Nachricht an Benutzer schreiben",
-    "request": "Diese Nachricht ist nur für die Moderatoren sichtbar!"
+    "request": "Diese Nachricht ist nur für die Moderatoren sichtbar!",
+    "who": "Wer?"
   },
   "name": "Name",
   "navbar": {
diff --git a/admin/src/locales/en.json b/admin/src/locales/en.json
index 4cd9f9860..e9ab404ff 100644
--- a/admin/src/locales/en.json
+++ b/admin/src/locales/en.json
@@ -16,6 +16,11 @@
   "back": "back",
   "change_user_role": "Change user role",
   "close": "Close",
+  "contribution": {
+    "confirmedBy": "Confirmed by {name}.",
+    "deletedBy": "Deleted by {name}.",
+    "deniedBy": "Denied by {name}."
+  },
   "contributionLink": {
     "amount": "Amount",
     "changeSaved": "Changes saved",
@@ -171,10 +176,11 @@
     "notice-tooltip": "The note is only visible to moderators",
     "memo": "Edit text",
     "memo-tooltip": "Edit the text of the contribution",
-    "memo-modified": "Text edited by moderator",
+    "memo-modified": "Text edited by {name}",
     "message": "Message",
     "message-tooltip": "Write message to user",
-    "request": "This message is only visible to the moderators!"
+    "request": "This message is only visible to the moderators!",
+    "who": "Who?"
   },
   "name": "Name",
   "navbar": {
diff --git a/admin/src/pages/CreationConfirm.vue b/admin/src/pages/CreationConfirm.vue
index 74588f9f4..01f38a7c6 100644
--- a/admin/src/pages/CreationConfirm.vue
+++ b/admin/src/pages/CreationConfirm.vue
@@ -159,7 +159,11 @@ const baseFields = {
     class: 'no-select',
     formatter: formatDateOrDash,
   },
-  confirmedBy: { key: 'confirmedBy', label: t('moderator.moderator'), class: 'no-select' },
+  confirmedByUserName: {
+    key: 'confirmedByUserName',
+    label: t('moderator.who'),
+    class: 'no-select',
+  },
 }
 
 const fields = computed(
@@ -174,7 +178,7 @@ const fields = computed(
         baseFields.amount,
         baseFields.memo,
         baseFields.contributionDate,
-        { key: 'moderatorId', label: t('moderator.moderator'), class: 'no-select' },
+        { key: 'moderatorUserName', label: t('moderator.who'), class: 'no-select' },
         { key: 'editCreation', label: t('details') },
         { key: 'confirm', label: t('save') },
       ],
@@ -187,7 +191,7 @@ const fields = computed(
         baseFields.contributionDate,
         baseFields.createdAt,
         baseFields.confirmedAt,
-        baseFields.confirmedBy,
+        baseFields.confirmedByUserName,
         { key: 'chatCreation', label: t('details') },
       ],
       // denied contributions
@@ -203,7 +207,7 @@ const fields = computed(
           label: t('contributions.denied'),
           formatter: formatDateOrDash,
         },
-        { key: 'deniedBy', label: t('moderator.moderator') },
+        { key: 'deniedByUserName', label: t('moderator.who') },
         { key: 'chatCreation', label: t('details') },
       ],
       // deleted contributions
@@ -219,7 +223,7 @@ const fields = computed(
           label: t('contributions.deleted'),
           formatter: formatDateOrDash,
         },
-        { key: 'deletedBy', label: t('moderator.moderator') },
+        { key: 'deletedByUserName', label: t('moderator.who') },
         { key: 'chatCreation', label: t('details') },
       ],
       // all contributions
@@ -232,7 +236,7 @@ const fields = computed(
         baseFields.contributionDate,
         baseFields.createdAt,
         baseFields.confirmedAt,
-        baseFields.confirmedBy,
+        baseFields.confirmedByUserName,
         { key: 'chatCreation', label: t('details') },
       ],
     ][tabIndex.value],
diff --git a/backend/package.json b/backend/package.json
index 9420a155a..c950d0de9 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -60,6 +60,7 @@
     "core": "*",
     "cors": "^2.8.5",
     "database": "*",
+    "dataloader": "^2.2.3",
     "decimal.js-light": "^2.5.1",
     "dotenv": "^10.0.0",
     "esbuild": "^0.25.2",
diff --git a/backend/src/graphql/model/Contribution.ts b/backend/src/graphql/model/Contribution.ts
index 49a3c0be4..be4da99cf 100644
--- a/backend/src/graphql/model/Contribution.ts
+++ b/backend/src/graphql/model/Contribution.ts
@@ -1,6 +1,5 @@
 import { Contribution as DbContribution } from 'database'
 import { Field, Int, ObjectType } from 'type-graphql'
-
 import { UnconfirmedContribution } from './UnconfirmedContribution'
 
 @ObjectType()
@@ -8,6 +7,7 @@ export class Contribution extends UnconfirmedContribution {
   constructor(dbContribution: DbContribution) {
     super(dbContribution)
     this.createdAt = dbContribution.createdAt
+    this.moderatorId = dbContribution.moderatorId
     this.confirmedAt = dbContribution.confirmedAt
     this.confirmedBy = dbContribution.confirmedBy
     this.contributionDate = dbContribution.contributionDate
@@ -24,30 +24,48 @@ export class Contribution extends UnconfirmedContribution {
   @Field(() => Date)
   createdAt: Date
 
+  @Field(() => Int, { nullable: true })
+  moderatorId: number | null
+
+  @Field(() => String, { nullable: true })
+  moderatorUserName?: string | null
+
   @Field(() => Date, { nullable: true })
   confirmedAt: Date | null
 
   @Field(() => Int, { nullable: true })
   confirmedBy: number | null
 
+  @Field(() => String, { nullable: true })
+  confirmedByUserName?: string | null
+
   @Field(() => Date, { nullable: true })
   deniedAt: Date | null
 
   @Field(() => Int, { nullable: true })
   deniedBy: number | null
 
+  @Field(() => String, { nullable: true })
+  deniedByUserName?: string | null
+
   @Field(() => Date, { nullable: true })
   deletedAt: Date | null
 
   @Field(() => Int, { nullable: true })
   deletedBy: number | null
 
+  @Field(() => String, { nullable: true })
+  deletedByUserName?: string | null
+
   @Field(() => Date, { nullable: true })
   updatedAt: Date | null
 
   @Field(() => Int, { nullable: true })
   updatedBy: number | null
 
+  @Field(() => String, { nullable: true })
+  updatedByUserName?: string | null
+
   @Field(() => Date)
   contributionDate: Date
 
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index b18af5c39..0882a04bd 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -23,9 +23,11 @@ import {
   Contribution as DbContribution,
   Transaction as DbTransaction,
   User as DbUser,
+  findUserNamesByIds,
   getLastTransaction,
   UserContact,
 } from 'database'
+import DataLoader from 'dataloader'
 import { Decimal } from 'decimal.js-light'
 import { GraphQLResolveInfo } from 'graphql'
 import { getLogger } from 'log4js'
@@ -348,6 +350,7 @@ export class ContributionResolver {
   ): Promise<ContributionListResult> {
     // Check if only count was requested (without contributionList)
     const fields = Object.keys(extractGraphQLFields(info))
+    // console.log(`fields: ${fields}`)
     const countOnly: boolean = fields.includes('contributionCount') && fields.length === 1
     // check if related user was requested
     const userRequested =
@@ -370,8 +373,32 @@ export class ContributionResolver {
       },
       countOnly,
     )
+    const result = new ContributionListResult(count, dbContributions)
 
-    return new ContributionListResult(count, dbContributions)
+    const dataLoader = new DataLoader(async (userIds: readonly number[]) => {
+      const uniqueUserIds = new Set<number>()
+      userIds.forEach((userId) => uniqueUserIds.add(userId))
+      const users = await findUserNamesByIds(Array.from(uniqueUserIds))
+      return userIds.map((userId) => users.get(userId))
+    })
+    for (const contribution of result.contributionList) {
+      if (contribution.confirmedBy) {
+        contribution.confirmedByUserName = await dataLoader.load(contribution.confirmedBy)
+      }
+      if (contribution.updatedBy) {
+        contribution.updatedByUserName = await dataLoader.load(contribution.updatedBy)
+      }
+      if (contribution.moderatorId) {
+        contribution.moderatorUserName = await dataLoader.load(contribution.moderatorId)
+      }
+      if (contribution.deletedBy) {
+        contribution.deletedByUserName = await dataLoader.load(contribution.deletedBy)
+      }
+      if (contribution.deniedBy) {
+        contribution.deniedByUserName = await dataLoader.load(contribution.deniedBy)
+      }
+    }
+    return result
   }
 
   @Authorized([RIGHTS.ADMIN_DELETE_CONTRIBUTION])
diff --git a/bun.lock b/bun.lock
index 9a4a4c2bb..f6dc312a7 100644
--- a/bun.lock
+++ b/bun.lock
@@ -122,6 +122,7 @@
         "core": "*",
         "cors": "^2.8.5",
         "database": "*",
+        "dataloader": "^2.2.3",
         "decimal.js-light": "^2.5.1",
         "dotenv": "^10.0.0",
         "esbuild": "^0.25.2",
@@ -1808,6 +1809,8 @@
 
     "database": ["database@workspace:database"],
 
+    "dataloader": ["dataloader@2.2.3", "", {}, "sha512-y2krtASINtPFS1rSDjacrFgn1dcUuoREVabwlOGOe4SdxenREqwjwjElAdwvbGM7kgZz9a3KVicWR7vcz8rnzA=="],
+
     "date-fns": ["date-fns@2.30.0", "", { "dependencies": { "@babel/runtime": "^7.21.0" } }, "sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw=="],
 
     "date-format": ["date-format@4.0.14", "", {}, "sha512-39BOQLs9ZjKh0/patS9nrT8wc3ioX3/eA/zgbKNopnF2wCqJEoxywwwElATYvRsXdnOxA/OQeQoFZ3rFjVajhg=="],
diff --git a/database/src/queries/user.ts b/database/src/queries/user.ts
index 9e7d84c27..5aa46a07b 100644
--- a/database/src/queries/user.ts
+++ b/database/src/queries/user.ts
@@ -1,6 +1,6 @@
 import { getLogger } from 'log4js'
 import { aliasSchema, emailSchema, uuidv4Schema } from 'shared'
-import { Raw } from 'typeorm'
+import { In, Raw } from 'typeorm'
 import { User as DbUser, UserContact as DbUserContact } from '../entity'
 import { findWithCommunityIdentifier, LOG4JS_QUERIES_CATEGORY_NAME } from './index'
 
@@ -81,3 +81,19 @@ export async function findForeignUserByUuids(
     where: { foreign: true, communityUuid, gradidoID },
   })
 }
+
+export async function findUserNamesByIds(userIds: number[]): Promise<Map<number, string>> {
+  const users = await DbUser.find({
+    select: { id: true, firstName: true, lastName: true, alias: true },
+    where: { id: In(userIds) },
+  })
+  return new Map(
+    users.map((user) => {
+      let name = `${user.firstName} ${user.lastName}`
+      if (user.alias && user.alias.length > 2) {
+        name = user.alias
+      }
+      return [user.id, name]
+    }),
+  )
+}