Contact form
![](https://www.biochem.de/app/uploads/2022/05/contact-us-g298b68c1f_1920.jpg)
Your contact persons
![Kolb Jochen](https://www.biochem.de/app/uploads/2022/05/Kolb-Jochen-2_3_Bild.jpg)
![Bonnet Jan](https://www.biochem.de/app/uploads/2022/05/Bonnet-Jan-2_3_Bild.jpg)
![Krzeslack Daniela](https://www.biochem.de/app/uploads/2022/05/Krzeslack-Daniela-2_3_Bild.jpg)
![Kohn Clarissa](https://www.biochem.de/app/uploads/2022/05/Kohn-Clarissa-2_3_Bild.jpg)
Clarissa Kohn
Qualified Person acc. to § 15 AMG
Deputy Head of Quality Assurance
Audit management
Cross check expert acc. to § 65 AMG
Responsible Person for narcotic drugs and GÜG
![Schäfer Alisa](https://www.biochem.de/app/uploads/2022/05/Schaefer-Alisa-2_3_Bild.jpg)
![](https://www.biochem.de/app/uploads/2024/05/Bergmann_Eileen-Web.jpg)
Dr Eileen-Christin Bergmann
Deputy Head of Microbiological Department
![Braun Jens](https://www.biochem.de/app/uploads/2022/05/Braun-Jens-2_3_Bild.jpg)
Jens Braun
Head of Microbiological Laboratory
Invoicing and Documentation
![](https://www.biochem.de/app/uploads/2022/10/Guether-Mike-2_3_Bild.jpg)
Dr Mike Güther
Head of Microbiological Laboratory
Content Determination
Antimicrobial Preservation Test
![](https://www.biochem.de/app/uploads/2023/06/Horn-Axel-Web-1.jpg)
Dr Axel Horn
Head of Microbiological Laboratory
Microbial Enumeration Test | Identification of Microorganisms
Environmental Monitoring
![](https://www.biochem.de/app/uploads/2024/06/Klemm-Jeanette-2.jpg)
![Kuehn Holger](https://www.biochem.de/app/uploads/2022/05/Kuehn-Holger-2_3_Bild.jpg)
Dr Holger Kühn
Head of Microbiological Laboratory
Customer Management Microbiology
![Kurstak Ria](https://www.biochem.de/app/uploads/2022/05/Kurstak-Ria-2_3_Bild.jpg)
Ria Kurstak
Head of Microbiological Laboratory
Microbial Enumeration Test | Identification of Microorganisms
Environmental Monitoring
![](https://www.biochem.de/app/uploads/2022/10/Minschke-Diana-2_3_bild.jpg)
Diana Minschke
Head of Microbiological Laboratory
Research & Development (R&D)
Growth media production and its quality control
![](https://www.biochem.de/app/uploads/2024/05/Schatz-Sergej-Web-1.jpg)
Sergej Schatz
Head of Microbiological Laboratory
Head of GMP Compliance Microbiology
![](https://www.biochem.de/app/uploads/2022/10/Schmitt-Iris-2_3_Bild.jpg)
Iris Schmitt
Head of Microbiological Laboratory
Endotoxin testing (LAL test)
![](https://www.biochem.de/app/uploads/2023/08/Schmitt-Stefanie-2.jpg)
Stefanie Schmitt
Head of Microbiological Laboratory
Sterility Testing
![Sosedov Olga](https://www.biochem.de/app/uploads/2022/05/Sosedov-Olga-2_3_Bild.jpg)
Dr Olga Sosedov
Head of Microbiological Laboratory
Research & Development (R&D)
![](https://www.biochem.de/app/uploads/2023/06/Lachmann-Denise-Web.jpg)
Location Gerichshain (near Leipzig): Denise Lachmann
Head of Microbiological Laboratory
![Bonnet Jan](https://www.biochem.de/app/uploads/2022/05/Bonnet-Jan-2_3_Bild.jpg)
![Girrbach Maria](https://www.biochem.de/app/uploads/2022/05/Girrbach-Maria-2_3_Bild.jpg)
Dr Maria Girrbach
Deputy Head of Analytical Department
Head of GMP Compliance Analytics
Physico-chemical analysis
![](https://www.biochem.de/app/uploads/2021/07/Bitterer-Benjamin-Web.jpg)
Dr Benjamin Bitterer
Head of Analytical Laboratory
Head of Departmental Organisation
![Haberey Gesine](https://www.biochem.de/app/uploads/2022/05/Haberey-Gesine-2_3_Bild.jpg)
Gesine Haberey
Head of Analytical Laboratory
Gas chromatography
![Lueders Daniela](https://www.biochem.de/app/uploads/2022/05/Lueders-Daniela-2_3_Bild.jpg)
Dr Daniela Lüders
Head of Analytical Laboratory
Elemental analysis
![Matthes Stephanie](https://www.biochem.de/app/uploads/2022/05/Matthes-Stephanie-2_3_Bild.jpg)
Stephanie Mattes
Head of Analytical Laboratory
Physico-chemical analysis
![](https://www.biochem.de/app/uploads/2023/02/Posselt-Kristina-Web.jpg)
Dr Kristina Posselt
Head of Analytical Laboratory
Liquid chromatography
![](https://www.biochem.de/app/uploads/2022/10/Reinker-Anke-2_3_Bild.jpg)
Anke Reinker
Head of Analytical Laboratory
Stability testing, external laboratories
![](https://www.biochem.de/app/uploads/2024/01/Sack-Daniel-Web.jpg)
Dr Daniel Sack
Head of Analytical Laboratory
Water Analytics and Particle Testing
![Schenk Dirk](https://www.biochem.de/app/uploads/2022/05/Schenk-Dirk-2_3_Bild.jpg)
![Eisenhauer Claudia](https://www.biochem.de/app/uploads/2022/05/Eisenhauer-Claudia-2_3_Bild.jpg)
Claudia Eisenhauer
Head of Molecular Biological Department
![](https://www.biochem.de/app/uploads/2024/03/Baumgaertner-Thomas-Web.jpg)
Thomas Baumgärtner
Head of Molecular Biological Laboratory
![Burkart Dennis](https://www.biochem.de/app/uploads/2022/05/Burkart-Dennis-2_3_Bild.jpg)
![](https://www.biochem.de/app/uploads/2022/10/Mattes-Benjamin-2_3_Bild.jpg)
Dr Benjamin Mattes
Head of Molecular Biological Laboratory
![Lang Sandra](https://www.biochem.de/app/uploads/2022/05/Lang-Sandra-2_3_Bild.jpg)
Dr Sandra Lang
Head of LIMS-/GxP-IT-systems | Laboratory Services
![](https://www.biochem.de/app/uploads/2024/05/Schneider-Thomas-Web-1.jpg)
Thomas Schneider
Occupational Safety Manager
Training Supervisor