Raffael Kessler
Head Of Peptide Manufacturing at Pentapharm
Basel, Basel-City, Switzerland
Summary
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Senior🎓
Top SchoolRaffael Kessler is Head of Peptide Manufacturing in Basel with 11 years of hands-on experience scaling peptide and API production from lab to kilo-lab under ISO/GMP regimes. He combines deep expertise in synthetic organic chemistry, LC‑MS, NMR and GLP with a proven track record of process development, purification transfers (e.g., LH-20 to RP‑C18) and ion-exchange insourcing. Known for running complex production plans — up to 70 final peptide products with multi-step SPPS/LPPS workflows — he also leads equipment qualification, CAPA/MOC documentation and supplier coordination. He has driven facility design and pragmatic optimization projects that cut costs and simplify routes using DOE and scalable technologies. Comfortable mentoring technicians and interns, Raffael blends bench-level troubleshooting with operational leadership to ensure timely, compliant supply. Outside the lab his GitHub handle (@Prowect) hints at a methodical, project-oriented approach to problem solving.
11 years of coding experience
2 years of employment as a software developer
Bachelor of Science (B.Sc.), Organic Chemistry and Analytical Chemistry, Bachelor of Science (B.Sc.), Organic Chemistry and Analytical Chemistry at University of Applied Sciences and Arts Northwestern Switzerland FHNWScientific Associate, Lab technician (Apprenticeship), Synthetic Chemistry, Scientific Associate, Lab technician (Apprenticeship), Synthetic Chemistry at aprentas AG & Novartis Pharma AGOrganic Chemistry, Organic Chemistry at University of Basel
English, German, French
Github Skills (33)
cropperjs7
php-library7
pdo6
composer6
php6
vault6
rendering6
database5
templating5
scale5
image5
mysqli4
image-processing4
mysql4
golang4
Programming languages (2)
Github contributions (5)
Prowect/ClassLoader
Oct 2015 - Jan 2016
Contributions:1 release, 37 commits, 17 pushes in 3 months
Prowect/DripsPHP
Jul 2015 - Sep 2015
Contributions:13 commits, 8 pushes, 2 branches in 2 months
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