diff --git a/src/Controllers/common.ts b/src/Controllers/common.ts
index 0b97e88..7a6581c 100644
--- a/src/Controllers/common.ts
+++ b/src/Controllers/common.ts
@@ -23,6 +23,7 @@ export enum DataType {
   NUMBER = "number",
   INTEGER = "integer",
   PERMISSION_LEVEL = "'ELEVATED' | 'STANDARD'",
+  JOB = "'TEAMLEADER' | 'MEMBER'",
   DATETIME = "ISOstring",
   UUID = "string",
   RESULT_SCHEMA = "result_schema",
diff --git a/src/Controllers/participant.controller.ts b/src/Controllers/participant.controller.ts
new file mode 100644
index 0000000..8026c65
--- /dev/null
+++ b/src/Controllers/participant.controller.ts
@@ -0,0 +1,68 @@
+import prisma from "../lib/prisma";
+import { z } from "zod";
+import { Request, Response } from "express";
+import { createInsufficientPermissionsError, DataType, generateError, generateInvalidBodyError } from "./common";
+import { Job } from "@prisma/client";
+import { PrismaClientKnownRequestError } from "@prisma/client/runtime";
+
+//TODO: add TeamleaderAuthentification
+// discuss wether 
+
+const ParticipantBody = z.object({
+    firstName: z.string(),
+    lastName: z.string(),
+    groupId: z.string(),
+    job: z.enum(["TEAMLEADER", "MEMBER"]),
+})
+
+const returnedParticipant = {
+    pid: true,
+    firstName: true,
+    lastName: true,
+    relevance: true,
+    team: { select: { pid: true, } },
+    group: { select: { pid: true, } },
+} as const;
+
+export const createParticipant = async (req: Request<{ pid: string}>, res: Response) => {
+    //insert TeamleaderAuth
+
+    const result = ParticipantBody.safeParse(req.body);
+
+    if(result.success === false){
+        return res.status(400).json(
+            generateInvalidBodyError({
+                firstname: DataType.STRING,
+                lastName: DataType.STRING,
+                groupId: DataType.UUID,
+                job: DataType.JOB,
+            })
+        );
+    }
+
+    const body = result.data;
+    const { pid } = req.params;
+
+    try {
+        const participant = await prisma.participant.create({
+            data: {
+                firstName: body.firstName,
+                lastName: body.lastName,
+                relevance: body.job, 
+                group: { connect: { pid: body.groupId } },
+                team: { connect: { pid } },
+            },
+            select: returnedParticipant,
+        });
+
+        return res.status(201).json({
+            type: "success",
+            payload: participant,
+        });
+    } catch (e) {
+        if (e instanceof PrismaClientKnownRequestError && e.code === "P2025") {
+          return res.status(404).json(generateError(`Could not link to team with ID '${pid}, or group with ID ${body.groupId}'`));
+        }
+        throw e;
+      }
+}
\ No newline at end of file