Koen Postuma: Email & Phone Number

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Director - Procurement - Scope 3 Environmental Sustainability at Merck|Jersey City, New Jersey, United States

Position:

Director - Procurement - Scope 3 Environmental Sustainability at Merck

Location:

Jersey City, New Jersey, United States

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Last updated: 2026-05-28

Updated: 2026-05-28

Found email addresses for Koen Postuma:

Business emails:

k**********a@rabobank.nl,

k**********a@msd.com,

k**********a@merck.com

Personal emails:

p*********n@hotmail.com

Found phones for Koen Postuma:

+1-205-***-**49,

+1-480-***-**95,

+1-909-***-**87,

+1-480-***-**65

A different Koen Postuma?

Work Experience 20 years

Director - Procurement - Scope 3 Environmental Sustainability at Merck

Jan 2024 - Current

Associate Director Global Sourcing & Procurement at MSD

Nov 2019 - Jan 2024

Senior Procurement Specialist at MSD

Jan 2018 - Oct 2019

Procurement Specialist at MSD

Jan 2017 - Dec 2017

Account management at Rabobank

May 2015 - Dec 2016

Team Lead Procurement at MCB

Sep 2013 - May 2015

Procurement at MCB Nederland

Oct 2010 - Aug 2013

Afstudeerstage at Athlon Car Lease

Sep 2009 - Feb 2010

Junior Sales Advisor at Driessen Autogroep

Sep 2006 - Dec 2009

Koen Postuma started working in 2006, then the employee has changed 6 companies and 8 jobs. On average, Koen Postuma works for one company for 2 years 1 month.

Their professional focus is Account Management, Business Strategy, and Change Management across 3 core areas.

Education

Master’s Degree at Nyenrode Business University

NEVI

Bachelor at IVA Driebergen

Frequently Asked Questions

What is Koen Postuma's email address?

SignalHire found verified email addresses for Koen Postuma, both business and personal. Their business email is k**********a@rabobank.nl, and personal emails include p*********n@hotmail.com.

What is Koen Postuma's phone number?

SignalHire found multiple verified phone numbers for Koen Postuma: +1-205-***-**49, +1-480-***-**95, and +1-909-***-**87.

How do I contact Koen Postuma at Merck?

You can reach Koen Postuma through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Koen Postuma's professional background?

Koen Postuma has 20 years of professional experience. They have held roles including Associate Director Global Sourcing & Procurement, Senior Procurement Specialist, and Procurement Specialist at companies such as MSD, MSD, and MSD. Their education includes Master’s Degree from Nyenrode Business University, and NEVI.

Is Koen Postuma's contact information up to date?

Yes. Koen Postuma's SignalHire profile was last updated on 28 May 2026, reflecting their current position as Director - Procurement - Scope 3 Environmental Sustainability at Merck in Rahway, New Jersey, United States.

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