Management foto


Management Philosophy

EMCM incorporates a “no-compromise on quality” policy, your innovations are delivered in the safest of environments.

Shared values and guiding principles aimed at ethical standards of integrity and business are the basis of everything done. This has enabled and established long lasting relationships between EMCM and its employees, customers and authorities.

Management Philosophy, EMCM incorporates a “no-compromise on quality” policy
EMCM, a customer driven organisation that believes in contributing to the quality of life by delivering high quality products and services.


To consistently provide high quality and reliable products and services that
offer continuous support to the opportunities of today for a better tomorrow.


To be a centre of excellence for (contract) manufacturing
and delivering of specialty products and services.

Management Philosophy, EMCM incorporates a “no-compromise on quality” policy
EMCM prides itself in being able to support innovations and breakthroughs in the healthcare sector that will positively impact the lives of millions worldwide.

Management Team

Mr. Leo Liyeung – Executive Director

Management Philosophy, EMCM incorporates a “no-compromise on quality” policyWith a background in Philosophy, Economics, and Mathematics, Mr. Liyeung is the shareholder’s main representative. In this capacity, he is primarily responsible for strategy, investments, and corporate development. Mr. Liyeung is also the Executive Director of Leader Biomedical Group.

 Mr. Gert Wentzel – Managing Director

Management Philosophy, EMCM incorporates a “no-compromise on quality” policyMr. Wentzel has more than 25 years of experience in the Pharmaceutical Industry (Solvay Pharmaceuticals and Abbott). He has held multiple positions as Production Manager, Project Manager, and R&D Manager. He joined EMCM  in 2012 and currently serves as Managing Director. Mr. Wentzel holds degrees in Proces Technology and Business Administration and attended a leadership program at Nyenrode University.

Ms. Maartje van der Vleuten – Manager Quality Operations

Ms. Van der Vleuten has over 10 years experience in the pharmaceutical and medical device industry. She has a background in Biochemistry and held several positions within Quality Assurance and Quality Control. Ms. Van der Vleuten joined EMCM in 2018 in the position of Manager Quality Operations and is responsible for the Quality Assurance, Quality Control and Regulatory Affairs department.

Mr. Patrick Guelen – Manager Supply Chain

Management Philosophy, EMCM incorporates a “no-compromise on quality” policyMr. Guelen is connected to EMCM since its inception in 1993 and build up more than 25 years experience in the Pharmaceutical and Medical Device Industry (EuroPharm and EMCM) in multiple positions as Process Leader, Manager Project Operations and Customer Service Officer. Currently he serves the post of Manager Supply Chain at EMCM and is responsible for Planning, Purchasing, Logistics, Customer Service and Master data.

Ms. Karin Hugers – Manager Projects, Engineering & Maintenance

Ms. Hugers has a background in Chemical Engineering. She had build up more than 10 years experience in the Pharmaceutical, Medical Device Industries and Contract Sterilisation in multiple positions as Validation Engineer and Customer Support. Currently she serves the post of Manager Projects, Engineering & Maintenance at EMCM and is responsible for all aspects of customer/ technical projects, equipment qualification and process validation.

Ms. Patricia Kleemans – Manager Value Stream

After almost 7 years at MSD, finally as associate scientist, Ms. Kleemans started in 2013 in the Business Development group of EMCM. After several roles in Project Management, she took up the responsibility of Valuestream Manager. Ms. Kleemans holds a Bachelor of Science degree and attended several national and international courses.

Mr. Peter Linders – Manager Value Stream

After more then 20 years in the Animal Health Vaccines Industry (MSD) in several roles within Quality Control, Mr. Linders joined EMCM as Process Leader in 2015. Since end of 2016 he serves as Value Stream Manager.  Mr. Linders studied at the University of ‘s Hertogenbosch and followed several classes Lean Six Sigma green and black belt.

Mrs. Tetelepta-Harings – Manager Human Resources

Mrs. Tetelepta-Harings joined EMCM in 2018 after working for an international manufacturing company for 16 years. She had built up experience in the broad range of Human Resources Management as an advisor, business partner and Human Resources Manager. Mrs. Tetelepta-Harings holds a Master in Management and a Bachelor in Human Resource Management.

Management Philosophy, EMCM incorporates a “no-compromise on quality” policy
If you have an opportunity, you can rest assured EMCM will support you.