
Xuejun Karl Liu
• Expert organic chemist with more than 20 years experience in process R&D in pharmaceutical contract research organizations and... | Los Angeles, Los Angeles, United States
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Xuejun Karl Liu’s Emails xl****@ze****.com
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Xuejun Karl Liu’s Location Los Angeles, Los Angeles, United States
Xuejun Karl Liu’s Expertise • Expert organic chemist with more than 20 years experience in process R&D in pharmaceutical contract research organizations and petrochemical industries • Experience in route scouting, process optimization and scale-up to pilot plant and commercial scale manufacturing • Accomplished project leader with a demonstrated track record of delivering successful customer projects and building successful business relationships • Strong background in chemical engineering, technology transfer, fit-for-purpose process development strategies • Jointly responsible for the auditing and evaluation of API cGMP manufacturing facilities worldwide Specialties: • Process development and optimization of complex APIs • cGMP and ICH regulatory knowledge • Process Scale-up • Technology transfer • Highly potent APIs • Controlled substances • Raw material outsourcing and cGMP site audit • Design of Experiments (DOE) and QbD study • Process validations • IND and NDA filing • Heterogeneous catalyst design and preparation • Formulation of water treatment additives • Fluent Chinese, English, and German
Xuejun Karl Liu’s Current Industry Zentalis Pharmaceuticals
Xuejun
Karl Liu’s Prior Industry
Research Institute Of Petroleum Processing Sinopec
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Amri
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Norac Pharma
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Sanofi
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Zentalis Pharmaceuticals
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Work Experience

Zentalis Pharmaceuticals
Senior Director, Chemical Development of CMC
Sun Jan 01 2023 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Zentalis Pharmaceuticals
Director, Chemical Development of CMC
Thu Apr 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Dec 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
Sanofi
Associate Director, Chemical Development of Technical Operation
Mon Jul 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Apr 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
Norac Pharma
Projects Leader
Wed May 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Jul 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time)
Norac Pharma
Senior Scientist, Process R&D
Wed Oct 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Apr 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
Amri
Senior Research Scientist II, cGMP Kilo Lab
Tue May 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Oct 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time)
Amri
Senior Research Scientist I, API Process Development and Technology Transfer to Pilot Plant
Mon Mar 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue May 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
Amri
Senior Research Scientist, Chemical Development
Thu Nov 01 2001 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Mar 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
Research Institute Of Petroleum Processing Sinopec
Project and Group Leader
Mon Jun 01 1987 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed May 01 1991 00:00:00 GMT+0000 (Coordinated Universal Time)