
Mariève H.
Senior Change Manager | Digital & Cultural Transformation
Salaire / Taux journalier
Bruxelles, Belgique
Mobilité : Brest, Paris
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
Freelance Change Lead with 15+ years steering digital transformations, post-merger integrations, and cultural shifts across major European organizations. Recently led the ALD-LeasePlan merger creating Ayvens, chairing cross-functional governance and delivering change strategies at scale. Prosci-certified specialist in ERP/CRM/AI adoption who transforms strategic goals into actionable plans while coaching leaders through complex organizational change.
Expérience de travail
Senior Change Manager
AyvensFreelance
oct. 2023 - juil. 2025
1 an 10 mois
Bruxelles et périphérie
From October 2023 to July 2025, I led the change management strategy for the integration of ALD and LeasePlan in Belgium, contributing to the creation of Ayvens. I designed and implemented a transversal change approach, working in project mode to translate strategic goals into actionable plans. I conducted impact assessments with managers and supported them in deploying local actions, while also providing ad-hoc support on topics like process reviews and organizational alignment. As Chair of the Change Review Committee, I ensured cross-functional coordination and governance for both internal and external impacts. I also oversaw communication, training, and coaching initiatives to help people managers lead their teams through change with clarity and confidence.
Senior Change Manager
EuroclearFreelance
mai 2021 - oct. 2023
2 ans 6 mois
Bruxelles et périphérie
May 2021– October 2023 Change manager for the Integrated Risk Management program and the ad hoc coaching of Change Managers. Sample of responsibilities and achievements: - Define and deploy change and technology adoption approach for impacted users, focusing on Microsoft 365 tools (Teams, SharePoint, Whiteboard, Project Planning) to strengthen collaboration, enable efficient remote working during COVID, and secure adoption of digital practices across pilot groups and wider roll-out. During 18 months, responsible for the change management track of the New Way of Working program (5000 employees over 8 countries). Sample of responsibilities and achievements: - Set up and deploy the change management approach (in Agile), animate the change network composed of 90 SPOCs + change agents, ad hoc support to training approach and leadership accompaniment.
Senior Manager - Change Management & Culture Transformation
PwC Belgium
juil. 2019 - mai 2021
1 an 11 mois
Zaventem, Belgique
Member of the Change Management Advisory team. Senior Manager in HR and Change Management. Director's right-hand person in the setup of the new team within the PwC Advisory Department (13 people in total). Sample of responsibilities and achievements: - Direct contributor to the development of the positioning, service catalogue and tools of the new change management team (4 offers: change management, organizational transformation, cultural transformation and coaching to team performance) - Project Management for major Resources Utilisation project at Media Client (2000FTEs): approach, planning, governance and follow up. - Manager responsible for change management aspects and cultural transformation at clients: support to Microsoft 365 implementation at a pharma client (definition and deployment of the adoption approach, facilitation of test-and-learn and pilot group sessions with medical and support staff to strengthen collaboration, streamline documentation practices and secure effective daily use of Teams, SharePoint and OneDrive), Organization design, Communication & Culture transformation responsible for a merger at a client in the chemical sector, Project Manager for a strategic workforce planning project at an audiovisual client (budget €525K).
Change program manager & Change CoE Lead
AXA
août 2016 - juil. 2019
3 ans
Brussels Area, Belgium
Part of the Transformation team, responsible for Change management practice among AXA Insurance Belgium. Sample of responsibilities and achievements: - Responsible for deploying change management expertise among AXA: defining and deploying change management within AXA to support its digital transformation and secure adoption by users (key target audiences: Transformation Project Managers and Project Teams, Human Resources teams and communication) - Change management CoE lead: coaching and development of the 7 team members (including close monitoring of the realization of their projects) - Responsible for the Careers in Motion @ AXA program with the goal of boosting and empowering employees about their career management (in the context of digital transformation): responsible for defining program objectives and adaptation HR processes impacted (recruitment, mobility, performance ...) to support the objectives of AXA's strategy (project team 12 people - budget € 4 million).
Senior Consultant - HRT
Deloitte Belgium
janv. 2014 - juil. 2016
2 ans 7 mois
Diegem
Member of the HR Transformation team. Consolidation of experience in the following areas: human resources strategy, organizational transformation, change management (on PMI projects) and project management. Sample of responsibilities and achievements: - Integration in the pharmaceutical sector: project manager responsible for the scope of the communication of the first day of the integration. Accompanied senior managers of the Finance department in the context of the preparation of the effective integration of resources after the acquisition. Customer in the pharmaceutical sector: responsible for the design and support for the implementation of a new performance management process (audience: 5000 blue collars). In charge of the impact studies related to the implementation of the new process and the implementation of the change management action plan.
Change Expert
bpost
janv. 2012 - déc. 2013
2 ans
Bruxelles, Belgique
Member of the change management team at Bpost responsible for developing culture and change management skills within the organization. Sample of responsibilities and achievements: - As an expert in change, supporting Bpost's internal transformation 2020 program and project managers in their change management activities. Facilitator of work sessions and training sessions around change management (for postmen, HRBPs, team/department managers). Intern coach for middle managers.
Talent Management Consultant
Accenture
oct. 2006 - janv. 2012
5 ans 4 mois
Bruxelles, Belgique
Start as an analyst and promoted consultant within the Talent & Organization Performance team. Sample of responsibilities and achievements: Creation of an IT shared service centre (structure, job description and recruitment procedure based on the ITIL methodology), assistance with the selection of candidates. Support to change management in the context of the implementation of an ERP at two production sites in Belgium and France.
Gestionnaire de publications
Wolters Kluwer
déc. 2004 - oct. 2006
1 an 11 mois
Authors and publications' management: I had to organize meetings of specialists (correction of contents, validation of new texts ...), manage plannings for the different publications, find new authors to cover the news and work with the marketing. I was particularly responsible for - The Tax Today website: I had to write texts for the site (from different sources: Moniteur, La Chambre ...) and to manage the whole content (the goal was to follow the daily news); - "Comptabilité et Fiscalité pratiques" that is a high level scientific publication about current subjects in tax and accountancy; - Two annual books: one in accountancy and another one in business rights; - A weekly publication of tax; - A monthly publication of various subjects in tax and accountancy. For all those products, I had to care about the content, the plannings, the contracts, the relations with authors and clients, the orthographic issues, the collaboration with marketing, ...
Formation
Ecole Belge de Sophrologie Dynamique
Praticien en Sophrologie Dynamique, Sophrologie
2021 - 2023
1 an 8 mois
Institute of NeuroCognitivism
Approche neurocognitive et comportementale - les fondamentaux
2017 - 2017
1 an
Change Management Learning Center
Prosci Change Management Certification, Change Management & ADKAR model
2012 - 2012
1 an
ICHEC Entreprises
Diplôme d'Etudes Spécialisées, Gestion des Ressources Humaines
2009 - 2010
2 ans
Solvay Brussels School of Economics and Management
DES, Management
2004 - 2006
3 ans
Université libre de Bruxelles
Master's degree, Communication d''entreprise
2000 - 2004
5 ans
Licences et certifications
Prosci - ADKAR methodology
Délivré le : avr. 2014