Marion van Happen

CEO

Peter van Velzen

HSE Specialist

Aldo V.

Treasury Specialist

Paul Monteny

Financieel Medewerker Bij Headfirst

Floris Migchielsen

Finance Strategy Manager

Cheryl Jones

Manager Contracting SSC

Sandra Rothuizen

Contractmanager

Marieke Nievaart

Teamlead Contractmanagement

Rochelle Arrias

Invoicing Specialist

Freya Lutonto-Dam

Senior International Bid Manager

Jamie Heringa

Sectorlead Centrale Overheid

Joyce Jaspers

Accountmanager

Tamara Boeff

Accountmanager Bij Headfirst Group

Nikki Hoogenes

Junior Bidmanager

Sem Overduin

Corporate Affairs & Public Policy Manager

Sven van der Valk

Business Development Manager

Duco Filippo

Business Development Director

Natasja Spooren - Wassenaar

Manager Marketing & Events

Giuseppe Kasimbeg

Visual Designer

Lysette Janssen

Marketing En Communicatie Specialist

Florine Onderwijzer

Managing Director Client Operations SSC

Mattijs Wassenburg

Vice President Of Product & Data

Oussama Chougna

Tech Team Lead – Platform Engineering | AWS Cloud | Security | CI/CD | Java

Jelle Jonker

Agile Test Engineer

Rudy Smeets

Azure Data Engineer

Laurens Heggelman

Solutions Architect & Product Owner Integrations

Joke de Graaf

Director People & Culture

Nelleke Stins

Property Manager

Marelle Beune

Managing Director Talent & Partner Services | HR-Tech innovator

Boyd Sleeman

Shareholder

Guido Postma

Growth & Strategy Support

Kornelia Olbromska

Recruitment Consultant

Claudia Fokkes

Lead HR Operations

Lennert Pichel

Business Unit Manager RPO | MSP | Employer Branding