Willem-Jan Karstens
Principal Scientist at Byondis- Claim this Profile
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Bio
Rogier Buijsman
Willem-Jan is a very skilled, intelligent and motivated medicinal chemists. He is the best organic chemist I ever worked with having extensive theoretical as well as practical knowledge of modern organic chemistry. Most of all I enjoyed Willem-Jan’s unique creativity, which was a decisive factor in many of his drug discovery projects. Apart from these skills Willem-Jan is a very good teamplayer and people manager. He communicates very easily, he is open minded and he is not afraid to challenge people when necessary. It was a great pleasure working with Willem-Jan and I can strongly recommend him to any organisation.
Marco Timmers
In the past decade, I collaborated in several roles with Willem-Jan on various Drug Discovery and Development projects, initially as Section Head in Medicinal Chemistry, later as Site Lead Women's Health & Endocrinology. Willem-Jan is a very intelligent, highly committed and skilled medicinal chemist with a broad scientific scope and a pragmatic approach to challenges and problems. Beyond any doubt, Willem-Jan is the most talented organic chemist I ever had the pleasure to collaborate with. Even the most complex organic molecules always proved accessible due to his excellent knowledge of modern organic transformations and synthetic procedures. In his role as chemistry group leader, he demonstrated his ability to inspire people and to work efficiently across disciplines. He is an excellent people manager with an open and natural leadership style. His ability to coach and develop people was highly appreciated by his subordinates. His behavioural competencies are well developed, he communicates effectively, has an excellent command of language and is able to challenge colleagues from various disciplines in scientific discussions. Willem-Jan is clearly result-oriented, which is exemplified by the impressive number of successful R&D programs he was involved in and the inventorship of numerous patents and patent applications.
Rogier Buijsman
Willem-Jan is a very skilled, intelligent and motivated medicinal chemists. He is the best organic chemist I ever worked with having extensive theoretical as well as practical knowledge of modern organic chemistry. Most of all I enjoyed Willem-Jan’s unique creativity, which was a decisive factor in many of his drug discovery projects. Apart from these skills Willem-Jan is a very good teamplayer and people manager. He communicates very easily, he is open minded and he is not afraid to challenge people when necessary. It was a great pleasure working with Willem-Jan and I can strongly recommend him to any organisation.
Marco Timmers
In the past decade, I collaborated in several roles with Willem-Jan on various Drug Discovery and Development projects, initially as Section Head in Medicinal Chemistry, later as Site Lead Women's Health & Endocrinology. Willem-Jan is a very intelligent, highly committed and skilled medicinal chemist with a broad scientific scope and a pragmatic approach to challenges and problems. Beyond any doubt, Willem-Jan is the most talented organic chemist I ever had the pleasure to collaborate with. Even the most complex organic molecules always proved accessible due to his excellent knowledge of modern organic transformations and synthetic procedures. In his role as chemistry group leader, he demonstrated his ability to inspire people and to work efficiently across disciplines. He is an excellent people manager with an open and natural leadership style. His ability to coach and develop people was highly appreciated by his subordinates. His behavioural competencies are well developed, he communicates effectively, has an excellent command of language and is able to challenge colleagues from various disciplines in scientific discussions. Willem-Jan is clearly result-oriented, which is exemplified by the impressive number of successful R&D programs he was involved in and the inventorship of numerous patents and patent applications.
Rogier Buijsman
Willem-Jan is a very skilled, intelligent and motivated medicinal chemists. He is the best organic chemist I ever worked with having extensive theoretical as well as practical knowledge of modern organic chemistry. Most of all I enjoyed Willem-Jan’s unique creativity, which was a decisive factor in many of his drug discovery projects. Apart from these skills Willem-Jan is a very good teamplayer and people manager. He communicates very easily, he is open minded and he is not afraid to challenge people when necessary. It was a great pleasure working with Willem-Jan and I can strongly recommend him to any organisation.
Marco Timmers
In the past decade, I collaborated in several roles with Willem-Jan on various Drug Discovery and Development projects, initially as Section Head in Medicinal Chemistry, later as Site Lead Women's Health & Endocrinology. Willem-Jan is a very intelligent, highly committed and skilled medicinal chemist with a broad scientific scope and a pragmatic approach to challenges and problems. Beyond any doubt, Willem-Jan is the most talented organic chemist I ever had the pleasure to collaborate with. Even the most complex organic molecules always proved accessible due to his excellent knowledge of modern organic transformations and synthetic procedures. In his role as chemistry group leader, he demonstrated his ability to inspire people and to work efficiently across disciplines. He is an excellent people manager with an open and natural leadership style. His ability to coach and develop people was highly appreciated by his subordinates. His behavioural competencies are well developed, he communicates effectively, has an excellent command of language and is able to challenge colleagues from various disciplines in scientific discussions. Willem-Jan is clearly result-oriented, which is exemplified by the impressive number of successful R&D programs he was involved in and the inventorship of numerous patents and patent applications.
Rogier Buijsman
Willem-Jan is a very skilled, intelligent and motivated medicinal chemists. He is the best organic chemist I ever worked with having extensive theoretical as well as practical knowledge of modern organic chemistry. Most of all I enjoyed Willem-Jan’s unique creativity, which was a decisive factor in many of his drug discovery projects. Apart from these skills Willem-Jan is a very good teamplayer and people manager. He communicates very easily, he is open minded and he is not afraid to challenge people when necessary. It was a great pleasure working with Willem-Jan and I can strongly recommend him to any organisation.
Marco Timmers
In the past decade, I collaborated in several roles with Willem-Jan on various Drug Discovery and Development projects, initially as Section Head in Medicinal Chemistry, later as Site Lead Women's Health & Endocrinology. Willem-Jan is a very intelligent, highly committed and skilled medicinal chemist with a broad scientific scope and a pragmatic approach to challenges and problems. Beyond any doubt, Willem-Jan is the most talented organic chemist I ever had the pleasure to collaborate with. Even the most complex organic molecules always proved accessible due to his excellent knowledge of modern organic transformations and synthetic procedures. In his role as chemistry group leader, he demonstrated his ability to inspire people and to work efficiently across disciplines. He is an excellent people manager with an open and natural leadership style. His ability to coach and develop people was highly appreciated by his subordinates. His behavioural competencies are well developed, he communicates effectively, has an excellent command of language and is able to challenge colleagues from various disciplines in scientific discussions. Willem-Jan is clearly result-oriented, which is exemplified by the impressive number of successful R&D programs he was involved in and the inventorship of numerous patents and patent applications.
Experience
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Byondis
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Netherlands
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Pharmaceutical Manufacturing
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200 - 300 Employee
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Principal Scientist
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Apr 2020 - Present
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Synthon
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Netherlands
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Pharmaceutical Manufacturing
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700 & Above Employee
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Principal Scientist
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Apr 2014 - Apr 2020
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Radboud University
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Netherlands
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Research Services
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700 & Above Employee
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Post Doctoral Researcher
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May 2013 - Apr 2014
Compound Library Design for High Throughput Screening with drug-like properties Validate chemistry of novel scaffolds Validate library-chemistry Compound Library Design for High Throughput Screening with drug-like properties Validate chemistry of novel scaffolds Validate library-chemistry
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Karstens Scientific Consultancy
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The Netherlands
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Owner
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Jul 2011 - Dec 2013
Scientific Consultantcy: - Chemistry - Medicinal Chemistry - Multidisciplinary Projects in Drug Discovery Scientific Consultantcy: - Chemistry - Medicinal Chemistry - Multidisciplinary Projects in Drug Discovery
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Senior research scientist / Team leader
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2009 - Jul 2011
Innovate and deliver novel drug candidates for (pre)clinical evaluation. Lead the chemistry efforts of Lead Discovery and Lead Optimization projects in immunology and oncology therapeutic areas. Lead, motivate and manage a group of 4 to 7 research associates as a team leader. Introduce and explain R&D activities to all new employees at the Oss-site Innovate and deliver novel drug candidates for (pre)clinical evaluation. Lead the chemistry efforts of Lead Discovery and Lead Optimization projects in immunology and oncology therapeutic areas. Lead, motivate and manage a group of 4 to 7 research associates as a team leader. Introduce and explain R&D activities to all new employees at the Oss-site
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Merck
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United States
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Pharmaceutical Manufacturing
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700 & Above Employee
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Senior Research Scientist
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2007 - 2009
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Organon
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United States
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Pharmaceutical Manufacturing
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700 & Above Employee
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Research Scientist
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2000 - 2006
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Education
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1995 - 2000
University of Amsterdam
PhD, Synthetic Organic Chemistry -
1989 - 1995
Leiden University
MsC, Organic Chemistry -
1983 - 1989
Universiteit van Amsterdam
PhD, chemistry
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