Mariëlle Boxsem - Aarts

Senior Change Management Consultant

Salary / Daily rate

Woerden, Netherlands

Freelance

Can come onsite

Skills

Change ManagementProcurementWorkdayMicrosoft TeamsSAP AribaSAP ERPAzureTesting & QAMicrosoft 365CRMProduct ManagementTableauMicrosoft Power PlatformFinanceTrainingSupply ChainWarehouse ManagementMicrosoft Dynamics 365ComplianceLogistics

Languages

German (Native)Dutch (Native)English (Fluent)SpanishFrench

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.

Links

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: –

Certified by Microsoft

Green Software Practitioner

Issued: –

Certified by The Linux Foundation

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