diff --git a/packages/oslo-converter-stakeholders/lib/StakeholdersConversionService.ts b/packages/oslo-converter-stakeholders/lib/StakeholdersConversionService.ts
index 6591eff..6f7f0c2 100644
--- a/packages/oslo-converter-stakeholders/lib/StakeholdersConversionService.ts
+++ b/packages/oslo-converter-stakeholders/lib/StakeholdersConversionService.ts
@@ -1,6 +1,6 @@
 import { writeFile } from 'fs/promises';
 import type { IService } from '@oslo-flanders/core';
-import type { StakeholdersDocument } from '@oslo-converter-stakeholders/interfaces/StakeholdersDocument';
+import type { StakeholdersDocument, Stakeholder } from '@oslo-converter-stakeholders/interfaces/StakeholdersDocument';
 import { fetchFileOrUrl, Logger, ServiceIdentifier } from '@oslo-flanders/core';
 
 import { parse } from 'csv-parse';
@@ -10,7 +10,7 @@ import {
 } from '@oslo-converter-stakeholders/config/StakeholdersConversionServiceConfiguration';
 import { ContributorType } from '@oslo-converter-stakeholders/enums/ContributorType';
 import { context } from '@oslo-converter-stakeholders/utils/JsonLdContext';
-import { ToJsonLdTransformer } from '@oslo-converter-stakeholders/utils/ToJsonLdTransformer';
+import { ToJsonTransformer } from '@oslo-converter-stakeholders/utils/ToJsonTransformer';
 @injectable()
 export class StakeholdersConversionService implements IService {
   public readonly logger: Logger;
@@ -29,7 +29,7 @@ export class StakeholdersConversionService implements IService {
   }
 
   // helper methods for creating the StakeholdersDocument in the different output formats
-  private createJsonLdDocument(authors: object[], contributors: object[], editors: object[]): StakeholdersDocument {
+  private createJsonLdDocument(authors: Stakeholder[], contributors: Stakeholder[], editors: Stakeholder[]): StakeholdersDocument {
     const doc: StakeholdersDocument = {};
     doc['@context'] = context;
     doc.contributors = contributors;
@@ -38,7 +38,7 @@ export class StakeholdersConversionService implements IService {
     return doc;
   }
 
-  private createJsonDocument(authors: object[], contributors: object[], editors: object[]): StakeholdersDocument {
+  private createJsonDocument(authors: Stakeholder[], contributors: Stakeholder[], editors: Stakeholder[]): StakeholdersDocument {
     const doc: StakeholdersDocument = {};
     doc.contributors = contributors;
     doc.authors = authors;
@@ -46,7 +46,7 @@ export class StakeholdersConversionService implements IService {
     return doc;
   }
 
-  private createDocument(authors: object[], contributors: object[], editors: object[]): StakeholdersDocument {
+  private createDocument(authors: Stakeholder[], contributors: Stakeholder[], editors: Stakeholder[]): StakeholdersDocument {
     switch (this.configuration.outputFormat) {
       case 'application/json':
         return this.createJsonDocument(authors, contributors, editors);
@@ -57,13 +57,13 @@ export class StakeholdersConversionService implements IService {
     }
   }
 
-  private async parseData(data: Buffer): Promise<{ authors: object[], contributors: object[], editors: object[] }> {
+  private async parseData(data: Buffer): Promise<{ authors: Stakeholder[], contributors: Stakeholder[], editors: Stakeholder[] }> {
     const parser = parse({ delimiter: ';', columns: true });
-    const transformer = new ToJsonLdTransformer();
+    const transformer = new ToJsonTransformer(this.configuration.outputFormat);
 
-    const contributors: object[] = [];
-    const authors: object[] = [];
-    const editors: object[] = [];
+    const contributors: Stakeholder[] = [];
+    const authors: Stakeholder[] = [];
+    const editors: Stakeholder[] = [];
 
     await new Promise<void>((resolve, reject) => {
       parser.pipe(transformer)
diff --git a/packages/oslo-converter-stakeholders/lib/interfaces/StakeholdersDocument.ts b/packages/oslo-converter-stakeholders/lib/interfaces/StakeholdersDocument.ts
index 64295bf..3753609 100644
--- a/packages/oslo-converter-stakeholders/lib/interfaces/StakeholdersDocument.ts
+++ b/packages/oslo-converter-stakeholders/lib/interfaces/StakeholdersDocument.ts
@@ -1,6 +1,20 @@
+import type { ContributorType } from '@oslo-converter-stakeholders/enums/ContributorType';
+
 export interface StakeholdersDocument {
     '@context'?: object;
-    contributors?: object[];
-    authors?: object[];
-    editors?: object[];
+    contributors?: Stakeholder[];
+    authors?: Stakeholder[];
+    editors?: Stakeholder[];
+}
+
+export interface Stakeholder {
+    '@type'?: string;
+    firstName: string;
+    lastName: string;
+    affiliation: {
+        affiliationName: string;
+        homepage?: string;
+    };
+    email: string;
+    contributorType: ContributorType;
 }
\ No newline at end of file
diff --git a/packages/oslo-converter-stakeholders/lib/utils/ToJsonLdTransformer.ts b/packages/oslo-converter-stakeholders/lib/utils/ToJsonTransformer.ts
similarity index 82%
rename from packages/oslo-converter-stakeholders/lib/utils/ToJsonLdTransformer.ts
rename to packages/oslo-converter-stakeholders/lib/utils/ToJsonTransformer.ts
index 3bf8143..3b52bec 100644
--- a/packages/oslo-converter-stakeholders/lib/utils/ToJsonLdTransformer.ts
+++ b/packages/oslo-converter-stakeholders/lib/utils/ToJsonTransformer.ts
@@ -2,13 +2,15 @@ import type { TransformCallback } from 'stream';
 import { Transform } from 'stream';
 import { ContributorType } from '@oslo-converter-stakeholders/enums/ContributorType';
 
-export class ToJsonLdTransformer extends Transform {
+export class ToJsonTransformer extends Transform {
   private readonly columnNames = ['Voornaam', 'Naam', 'Affiliatie', 'E-mail', 'Website'];
+  private readonly outputFormat: string;
 
-  public constructor() {
+  public constructor(outputFormat: string) {
     super({
       objectMode: true,
     });
+    this.outputFormat = outputFormat;
   }
 
   public _transform(chunk: any, encoding: string, callback: TransformCallback): void {
@@ -18,7 +20,11 @@ export class ToJsonLdTransformer extends Transform {
   private createContributor(data: any): any {
     const contributor: any = {};
 
-    contributor['@type'] = 'Person';
+    // If the output format is JSON-LD, we need to add the @type attribute
+    if (this.outputFormat === 'application/ld+json') {
+      contributor['@type'] = 'Person';
+    }
+
     contributor.firstName = data.Voornaam;
     contributor.lastName = data.Naam;
     contributor.affiliation = {};