Executive Board
Dr Jürgen Branke
Technical Managing Director
phone: +49 721 9737-122
email: juergen.branke@biochem.de
John Passway
Commercial Director/CFO
phone: +49 721 9737-171
email: john.passway@biochem.de
Customer Service & Communications
Monika Wirtz
Business Development & Communications
phone: +49 721 9737-110
email: monika.wirtz@biochem.de
Company contact details
phone: +49 721 9737-0
fax: +49 721 9737-222
email: biochem@biochem.de
You can reach us by phone:
Mon-Thu: 8:00 am-4:00 pm, Fri: 8:00 am-3:00 pm
Please send your application to:
bewerbung@biochem.de
Microbiology
Alexandra Wagner
Head of Microbiological Department
phone: +49 721 9737-265
email: alexandra.wagner@biochem.de
Dr Wolfgang Leis
Deputy Head of Microbiological Department
Head of R&D Laboratory
Head of Microbiological Assay Laboratory
phone: +49 721 9737-113
email: wolfgang.leis@biochem.de
Alisa Schäfer
Operational Management Microbiology
Head of GMP Compliance Microbiology
phone: +49 721 9737-240
email: alisa.schaefer@biochem.de
Jens Braun
Head of Microbiological Laboratory
Invoicing and Documentation
phone: +49 721 9737-144
email: jens.braun@biochem.de
Dr Holger Kühn
Head of Microbiological Laboratory
Endotoxin testing (LAL test)
Customer Management Microbiology
phone: +49 721 9737-154
email: holger.kuehn@biochem.de
Ria Kurstak
Head of Microbiological Laboratory
Microbial Enumeration Test
phone: +49 721 9737-114
email: ria.kurstak@biochem.de
Dr Sylvia Pacher
Head of Microbiological Laboratory
Growth Promotion Test (GPT)
Antimicrobial Effectiveness Test
Manufacture of Growth Media
phone: +49 721 9737-163
email: sylvia.pacher@biochem.de
Jens Rohmann
Head of Microbiological Laboratory
Special Projects Customer Microbiology
phone: +49 721 9737-153
email: jens.rohmann@biochem.de
Dr Thomas Trunk
Head of Microbiological Laboratory
Sterility Testing
Identification of Microorganisms
Environmental Monitoring
phone: +49 721 9737-165
email: thomas.trunk@biochem.de
Analytics
Dr Jochen Kolb
Head of Analytical Department
Technical Director
Authorised Signatory
Member of the Management Board
phone: +49 721 9737-152
email: jochen.kolb@biochem.de
Dr Jan Bonnet
Deputy Head of Analytical Department
Head of Analytical Laboratory HPLC
phone: +49 721 9737-123
email: jan.bonnet@biochem.de
Dr Maria Girrbach
Head of Departmental Organisation/
Head of GMP Compliance
phone: +49 721 9737-168
email: maria.girrbach@biochem.de
Gesine Haberey
Head of Analytical Laboratory
Stability testing, projects
phone: +49 721 9737-119
email: gesine.haberey@biochem.de
Dr Daniela Lüders
Head of Analytical Laboratory
GC, elemental analysis
phone: +49 721 9737-118
email:daniela.lueders@biochem.de
Stephanie Mattes
Deputy Head of Departmental Organisation/
Head of Order Management
phone: +49 721 9737-102
email: stephanie.mattes@biochem.de
Dr Katrin Probst
Head of Analytical Laboratory
Physico-chemical analysis
phone: +49 721 9737-196
email: katrin.probst@biochem.de
Dirk Schenk
Project Management Analytical Development
phone: +49 721 9737-251
email: dirk.schenk@biochem.de
Molecular Biology/Bioanalytics
Claudia Eisenhauer
Head of Molecular Biological/Bioanalytical Department
phone: +49 721 9737-140
email: claudia.eisenhauer@biochem.de
Dennis Burkart
Head of Molecular Biological/Bioanalytical Laboratory
phone: +49 721 9737-128
email: dennis.burkart@biochem.de
Dr Olga Sosedov
Head of Molecular Biological/Bioanalytical Laboratory
phone: +49 721 9737-202
email: olga.sosedov@biochem.de
Quality Management
Daniela Krzeslack
Head of Quality Assurance Unit
phone: +49 721 9737-151
email: daniela.krzeslack@biochem.de
Clarissa Kohn
Deputy Head of Quality Assurance Unit
Audit management
phone: +49 721 9737-169
email: clarissa.kohn@biochem.de
Frederic Graessel
Member of Quality Assurance Unit
phone: +49 721 9737-117
email: frederic.graessel@biochem.de
Sarah Köhn
Member of Quality Assurance Unit
Deputy Audit Management
phone: +49 721 9737-162
email: sarah.koehn@biochem.de
LIMS-/GxP-IT-Systems | Laboratory Services
Dr Sandra Lang
Head of LIMS-/GxP-IT-systems | Laboratory Services
phone: +49 721 9737-155
email: sandra.lang@biochem.de
Additional Responsibilities
Clarissa Kohn
Cross check expert according to § 65 AMG
Responsible Person for narcotic drugs
according to § 7 BtMG
Responsible Person for narcotic precursors
according to GÜG
phone: +49 721 9737-169
email: clarissa.kohn@biochem.de