Tim Walsteijn, Market Access Manager at Merck Group

Tim Walsteijn

Market Access Manager at Merck Group | Amsterdam, North Holland, Netherlands

Profile last verified August 2026
Pharmaceuticals Verified Profile Amsterdam, North Holland, Netherlands Erasmus University Rotterdam
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***@hotmail.com

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(**) *** *** 163

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Tim Walsteijn Socials
Tim Walsteijn Work Experience

Market Access Manager at Merck Group in September 2022 - Present

Board Member | Representative Merck Netherlands at Young Innovators of Medicines in January 2023 - December 2023

Representative Merck Netherlands at Young Innovators of Medicines in January 2021 - December 2022

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Market Access Associate at Merck Group in October 2020 - August 2022

Graduate Research Intern at Merck Group in February 2020 - September 2020

MT Intern at Reinier de Graaf ziekenhuis in April 2019 - July 2019

Relationship Manager at Valet Express in November 2015 - February 2019

Market Access & Health Economics Intern at Merck Group in September 2017 - February 2018

Thesis Intern Market Access & Health Economics at Merck Group in April 2017 - June 2017

Sales & Marketing Assistant, Oncology & Fertility at Merck Group in April 2016 - March 2017

Private Driver at Valet Express in September 2013 - October 2015

Tim Walsteijn Education

Erasmus University Rotterdam, Master of Science (MSc), September 2026

MCI | The Entrepreneurial School®, Master of Arts (MA), September 2026

University of Amsterdam - Amsterdam Business School, Bachelor of Science (BSc), September 2026

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RSG Broklede, Bilingual vwo, September 2026

Tim Walsteijn Skills
Change Management Acquisition Relationship Management Teamwork Microsoft Office
About Tim Walsteijn’s Current Company
Merck Group

This channel is not intended for U.S. and Canadian visitors. Merck operates in the U.S. and Canada as EMD Serono in Healthcare, MilliporeSigma in Life Science and EMD Electronics in Electronics. An unaffiliated and unrelated company, Merck & Co., Inc., Kenilworth, NJ, US holds the rights in the trademark MERCK in the U.S. and Canada. _______________________________ We are Merck, a leading global science and technology company headquartered in Germany. We are curious explorers, courageous pioneers, and ingenious inventors. Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Life Science, Healthcare, and Electronics. Together, we dream big and are passionate about caring for our rich mix of people, customers, patients, and the planet. We believe in the positive power of science and technology. It has determined our actions since 1668 and inspires us to continue researching for a future worth living. As a family-owned company with over 350 years of experience, we stand for sustainability, responsibility, and innovative strength. We take pride in being a diverse and inclusive company that values and fosters the talents and abilities of our employees. That's why we are always looking for curious minds that see themselves imagining the unimaginable with us. Work your Magic and join Merck. Legal Disclaimer: www.merckgroup.com/en/legal-disclaimer.html Data Privacy Declaration: www.merckgroup.com/en/privacy-statement

Discover more about Merck Group
Tim Walsteijn’s Colleagues
Neelima Vijaykumar

Neelima Vijaykumar

Bengaluru, Karnataka, India

Lead HRBP, Global HRBP | Belonging & Inclusion Country Co Champion @ Merck Group India | Total Rewards | Leadership | Mother

Human Resources Business Partner at Merck Group
(Present)

Deepak Govindaraju

Deepak Govindaraju

Bengaluru, Karnataka, India

OTC, Billing, Credit Management, Cash Collections, Cash Apps and Dispute Management, Risk Management, Business Transformation, LSSGB & LSSBB; Python RPA, Tableau, SQL, PowerBI and VBA Macros

Head of Credits and Collections at Merck Group
(July 2023 – Present)

Prasannakumar Bhat

Prasannakumar Bhat

Bengaluru, Karnataka, India

Regulatory Affairs Associate

Regulatory Affairs Associate at Merck Group
(September 2023 – Present)

Jahnabi Chowdhury

Jahnabi Chowdhury

Bengaluru, Karnataka, India

Associate System Engineer @Merck India | Data Integration | ETL Developer | Oracle SQL | Informatica PowerCenter | Blue Yonder (JDA) | Aspiring Cloud Data Engineer (Snowflake & IICS)

Associate System Engineer at Merck Group
(September 2024 – Present)

Mohammed Abulnaga

Mohammed Abulnaga

Cairo, Egypt

Senior Key Account Manager at Merck Group

Senior Key Account Manager at Merck Group
(October 2023 – Present)

Luis Laiton

Luis Laiton

Bogotá D.C. Metropolitan Area

MD. MSc. Epidemiology | Neurosciences | Esp. Research Teaching | Clinical Research | MBA - Health Economics and Finance | Medical Manager | BCMAS.

Profesor universitario investigador adjunto at Fundación Universitaria del Area Andina
(February 2025 – Present)

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Frequently asked questions about Tim Walsteijn

What is Tim Walsteijn email address?

Email Tim Walsteijn at [email protected], [email protected] and [email protected]. This email is the most updated Tim Walsteijn's email found in 2026.

How to contact Tim Walsteijn?

To contact Tim Walsteijn send an email to [email protected], [email protected] or [email protected]. (updated on November 11, 2025)

What company does Tim Walsteijn work for?

Tim Walsteijn works for Merck Group.

What is Tim Walsteijn's role at Merck Group?

Tim Walsteijn is Market Access Manager

What industry does Tim Walsteijn work in?

Tim Walsteijn works in the Pharmaceuticals industry.

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