
Mariëlle Boxsem - Aarts
Senior Change Management Consultant
Salary / Daily rate
Woerden, Netherlands
Freelance
Can come onsite
Skills
Languages
About me
Intro
Prosci-certified Change Management specialist with 7+ years leading digital transformations at global enterprises like ASML, Heineken, and Rabobank. Former Director of OCM Advisory at Avanade, built highest-performing team in Europe with top engagement scores. Currently delivering change planning at ASML while co-founding businesses in Korean beauty retail and EMS technology, bringing proven expertise in M365, D365, and Workday implementations.
Work experience
Change Management Planning & Delivery a.i.
ASML
Feb 2025 - Present
1 year 9 months
Veldhoven, Netherlands
Co-Founder
Chammy EMS B.V.Freelance
Sep 2024 - Present
2 years 2 months
3481 Harmelen, Netherlands
EMS - Electrical Muscular Stimulation - Your power | Our Technology We support you to become the best version of yourself - book your EMS experience now: [email protected]
Director of Change Management
R3 AdviesFreelance
Apr 2024 - Present
2 years 7 months
3481 Harmelen, Netherlands
Co-Founder
Chammy Cosmetics B.V.Freelance
Jan 2023 - Present
3 years 10 months
Important and retail of Korean Beauty and lifestyle products
Change Management Lead a.i.Project Workday
Loyens & Loeff
Apr 2024 - Jul 2024
4 months
Amsterdam, Netherlands
Avanade
Oct 2019 - May 2024
4 years 8 months
Horn, Netherlands
Practice Lead Gallia OCM Advisory
Dec 2023 - May 2024
6 months
Horn, Netherlands
OCM Advisory Lead The Netherlands Belgium France Member Advisory Leadership Team
Director OCM Advisory
Dec 2023 - May 2024
6 months
Horn, Netherlands
Talent Community Lead Organizational Change Management
Feb 2022 - Dec 2023
1 year 11 months
Utrecht, Netherlands
Member of the Advisory Leadership team. As the OCM Advisory TC Lead for the Netherlands, Marielle has demonstrated sustained high performance in creating the future for the Avanade business and clients, aligned with the Avanade and Advisory strategy. She is leading one of the best performing OCM practices globally and enables impact beyond her own market, as she finds synergy and drives collaboration across the Europe area. Marielle has sustained the team, leveraging her network, seizing all opportunities to impact and grow the business outcomes for Avanade. Furthermore, Marielle is an expert on OCM Advisory solutions with industry focus, which also includes enabling growth of the Workplace and Security Advisory practices. She has developed and executed go-to-market strategies via internal, external, and alliance partner stakeholders striving for visibility, collaboration and growth. The OCM Netherlands internal employee survey result of September 2023 are a testimony of her leadership, reaching the highest scores in wellbeing and engagement amongst all the TC’s in the Netherlands, whilst keeping attrition very low. Marielle built the OCM team explicitly around Avanade’s principles, nurturing trust, transparency, honest evaluations, continuous learning and shared responsibility. She constantly does her utmost to accelerate impact for Avanade's clients through well established and maintained relationships with Accenture and Microsoft Customer Success Management.
Group Manager Organizational Change Management
Dec 2021 - Dec 2023
2 years 1 month
Horn, Netherlands
Manager Organizational Change Management
Oct 2019 - Dec 2021
2 years 3 months
Utrecht, Netherlands
Modern Workplace Specialist - Value Realization
Sep 2020 - Jul 2021
11 months
Nederland, CO 80466, USA
What we buy, how we live and work has already changed forever. While it may be impossible to predict or prevent “unknown unknowns” it is possible to prepare for them and also outperform your competitors during the recovery. Technology has enabled business continuity – but it will need to deliver more value in the future. Would you like to know how we do that at Avanade and how we may help you ? Feel free to contact me directly.
Change Management Lead / Project Workday
Loyens & Loeff
May 2022 - Mar 2023
11 months
Change Management Lead / Transformation Journey to Cloud
Sanquin
Aug 2021 - Jul 2022
1 year
Amsterdam, Netherlands
Training Lead / IT Operating Model Training & Learning Europe
Sky
May 2021 - Jul 2021
3 months
Quality Assurance Lead / Steering Committee Power Platform transformation
Rabobank
Feb 2021 - Jul 2021
6 months
Adoption / Training Lead - Project MS Teams Retail Training
Albert Heijn
May 2021 - May 2021
1 month
Horn, Netherlands
Advisory Lead / Project Global Operating Model M365
Belron®
Oct 2020 - Dec 2020
3 months
Change Management / Project Global Transformation M365
ASML
May 2020 - Jul 2020
3 months
Change Management Lead / Project Transformation M365 Europe
Loyens & Loeff
Nov 2019 - May 2020
7 months
L&D Lead / Project Global Transformation Skype to MS Teams
The HEINEKEN Company
Oct 2019 - Mar 2020
6 months
Change Management Lead / Project Transformation D365
PGB Pensioendiensten
Mar 2019 - Oct 2019
8 months
Transformation Consultant
CRM Partners
Jul 2018 - Oct 2019
1 year 4 months
Barneveld, Netherlands
Business Consultancy
ERIKS
Apr 2019 - Jul 2019
4 months
Change Management Lead / Project Transformation D365
Brocacef
Apr 2019 - Jul 2019
4 months
RAI Amsterdam
Nov 2018 - May 2019
7 months
Change Management / Project MS Teams implementation
Dec 2018 - May 2019
6 months
Change Management / Project Transformation D365
Nov 2018 - Jan 2019
3 months
CRM Selection Business Consultancy
Vrieling Adviesgroep
Dec 2018 - Mar 2019
4 months
Change Management Lead / Project Transformation D365
Connekt
Sep 2018 - Dec 2018
4 months
Bayer
Jun 2012 - Jul 2018
6 years 2 months
Mijdrecht, Netherlands
Source-to-Pay Projects & Support
Jan 2018 - Jul 2018
7 months
Mijdrecht, Netherlands
Projects: implementation of Ariba Guided Buying platform (Change & Communatie lead, key-user, trainer for end-users and Procurement; monthly Procurement reporting KPI’s, Savings, Spenddata in Tableau and RoiPE, support Procurement with eAuctions
Procurement Solutions Expert
Nov 2016 - Dec 2017
1 year 2 months
Mijdrecht, Netherlands
Training (process and end-users Benelux), Projects concerning payment term harmonization, vendor reduction, implementation of contract management system, Supervisor students of the Hogeschool van Amsterdam.
Tactical Procurement / Purchaser
Feb 2013 - Oct 2016
3 years 9 months
Mijdrecht, Netherlands
Operational Procurement, implementation of eAuction tool for Procurement Benelux, SRM key user, process optimization, Purchase-to-Pay responsible, stakeholder management, documentation of Procurement Benelux ways of working (manuals, SharePoint site).
Management Assistant
Jun 2012 - Jan 2013
8 months
Mijdrecht, Netherlands
Assistant to Product Managers Haemophilia and oncology, budget monitoring, minute taking of Brand Team meetings, Field Sales meetings, creation of SPA - purchase requisitions, coordination of promotional materials, promotional communication, event organization, donations, sponsoring, compliant adherence, coordination of (international) congresses, set up of contracts for sponsoring & donations.
MSD Nederland
May 2009 - May 2012
3 years 1 month
Haarlem, Netherlands
Promotional Logistics
Sep 2011 - May 2012
9 months
Haarlem, Netherlands
Purchasing of promotional items, stock maintenance of all marketing promotional items for 150 sales reps and 25 Marketeers, supervising warehouse of all promotional materials, coordination of all advertising in magazines and mailing materials used by Marketing Department for sales representatives, creation of Purchase orders, monitoring all purchases, goods receipts, invoices, publications and mailings, coordination of compliance project for audit.
Sales & Marketing Assistant
May 2009 - Aug 2011
2 years 4 months
Haarlem, Netherlands
Assitance of Product Managers and their salesforce, purchase orders, organizing meetings, mailings, contracts, sponsoring, monitoring compliance, CME and congresses. Assistance of Product Manager Contraceptives (puchasing, maintenance of promotional materials). Taking minutes, agendas, meetings. Overall sales, marketing and management team assistance during MSD and Schering-Plough merger . Closing Schering-Plough in financial matters, closing Houten office, coordination of move to Haarlem office, Organisation of Marketing lauch of new product.
Inside Sales
Expo Flora
Nov 2005 - May 2009
3 years 7 months
3481 Harmelen, Netherlands
Aquisition, quotations, orders for german and dutch exhibition market in floral displays and plant decorations.
Office Manager
Lammerts van Bueren Zeilmakerij BV
Sep 2003 - Dec 2005
2 years 4 months
Utrecht, Netherlands
Office management, quotations, ordermanagement, assistance of salesrepresentatives, financial administration.
Inside Sales Specialist
LeasePlan
Jan 2003 - Oct 2003
10 months
Almere, Netherlands
Quotations, ordermanagement of large account clients, assistance of accountmanager.
Shop Manager
MyTravel Airways UK
May 2002 - Jan 2003
9 months
Utrecht, Netherlands
Supervison of team of salesagents, rebranding shop from NBBS to MyTravel brand, marketing activities to increase sales of shop.
Inside Sales Major Accounts
LeasePlan
Jan 2001 - May 2002
1 year 5 months
Hoofddorp, Netherlands
InterContinental Hotels Group
Jan 1998 - Dec 2000
3 years
Amsterdam, Netherlands
Receptionist and reservations Officer at American Hotel Amsterdam
Sep 1998 - Dec 2000
2 years 4 months
Amsterdam, Netherlands
Sales of hotelrooms with maximum roomrate and maximum occupancy, Check-in, check-out hotelguests, management of guests financial accounts, management of room allocations.
Trainee Reception Hotel Inter*Continental Vienna
Jan 1998 - Oct 1998
10 months
Vienna, Austria
Check-in, check-out of hotelguests, managment of individual bills of guests, management of room allocations.
Reservations Agent
JW Marriott Grosvenor House London
Jan 1996 - Jul 1996
7 months
London, UK
Education
ICM opleidingen & trainingen
Professional Trainer
2017 - 2018
1 year 1 month
Nevi
NEVI I
2013 - 2015
2 years 1 month
Hotelschool The Hague
Bachelor of Hotel Administration, Major: Finance
1994 - 1998
4 years 1 month
Kreisgymnasium Bargteheide
Abitur
1990 - 1993
3 years 1 month
Feilding Agricultural High School
Exchange Student
1989 - 1990
1 year 1 month
Licenses & certifications
Viva Insights specialist
Issued: –
Green Software Practitioner
Issued: –