diff --git a/scripts/init-supervisor.ts b/scripts/init-supervisor.ts
new file mode 100644
index 0000000..cba2107
--- /dev/null
+++ b/scripts/init-supervisor.ts
@@ -0,0 +1,79 @@
+import { PrismaClient as Prisma } from "@prisma/client";
+import { PrismaClient as PrismaLegacy } from "@prisma/client-legacy"
+
+const prisma_legacy = new PrismaLegacy({});
+const prisma = new Prisma({});
+
+export const initSupervisor = async () => {
+    const list_of_employees = await prisma.employees.findMany();
+
+    for (const employee of list_of_employees) {
+        console.log('Start of supervisor checking for employee: ', employee.id);
+
+        //finds in old db employee supervisor's infos 
+        const old_employee = await prisma_legacy.employees.findFirst({
+            where: {
+                company: employee.company_code,
+                employee_number: (employee.external_payroll_id).toString(),
+            },
+        });
+        if (!old_employee) {
+            console.warn('Old DB employee not found : ', employee.id);
+            continue;
+        }
+        if (!old_employee.supervisor) {
+            console.warn('Old DB employee supervisor not found for employee:', old_employee.supervisor);
+            continue;
+        }
+        //trims and split the supervisor name
+        const supervisor_full_name = old_employee.supervisor.trim();
+        let supervisor_first_name = supervisor_full_name.split(/\s+/)[0];
+        let supervisor_last_name = supervisor_full_name.split(/\s+/)[1] || '';
+
+        if (supervisor_first_name === '[default]') {
+            await prisma.employees.update({
+                where: { id: employee.id },
+                data: { supervisor_id: null },
+            });
+            console.log('employee with [default] found: ', employee.id);
+            continue;
+        }
+
+        if (supervisor_first_name === '') {
+            console.warn('No supervisor name found for employee: ', employee.id)
+            continue;
+        }
+
+        //finds employee id of supervisors
+        const supervisor = await prisma.users.findFirst({
+            where: { first_name: supervisor_first_name, last_name: supervisor_last_name },
+            select: {
+                employee: { select: { id: true } },
+            }
+        });
+        if (!supervisor) {
+            console.warn('No supervisor found: ', supervisor_first_name, '', supervisor_last_name)
+            continue;
+        }
+        if (!supervisor.employee) {
+            console.warn('No supervisor id found: ', supervisor_first_name, '', supervisor_last_name)
+            continue;
+        }
+        //updates the supervisor id
+        await prisma.employees.update({
+            where: { id: employee.id },
+            data: {
+                supervisor_id: supervisor.employee.id,
+
+            }
+        });
+        await prisma.employees.update({
+            where: { id: supervisor.employee.id },
+            data: {
+                is_supervisor: true,
+            }
+        })
+        console.log('supervisor id : ', supervisor.employee.id);
+        console.log('supervisor name : ', supervisor_first_name, '', supervisor_last_name);
+    }
+}
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 672aba0..feb3352 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -14,6 +14,7 @@ import * as session from 'express-session';
 import * as passport from 'passport';
 import { PrismaService } from 'src/prisma/prisma.service';
 import { PrismaSessionStore } from '@quixo3/prisma-session-store';
+// import { initSupervisor } from 'scripts/init-supervisor';
 // import { initializePaidTimeOff } from 'scripts/init-paid-time-off';
 // import { initializePreferences } from 'scripts/init-preferences-access';
 // import { extractOldTimesheets } from 'scripts/migrate-timesheets';
@@ -99,5 +100,6 @@ async function bootstrap() {
     // await extractOldTimesheets();
     // await extractOldShifts();
     // await extractOldExpenses();
+    // await initSupervisor();
 }
 bootstrap();