Management
![Dr. rer. nat. Katrin Bierhals](/fileadmin/_processed_/4/5/csm_Bierhals-Katrin-1240406_edded02582.jpg)
Dr. rer. nat. Katrin Bierhals
Biologist, Head of Laboratory
Reproduction biologist (AGRBM)
Languages (other than German):
English
![Dr. rer. nat. Tom Trapphoff](/fileadmin/_processed_/d/9/csm_Trapphoff-Tom-1240687_c9c83122d4.jpg)
Dr. rer. nat. Tom Trapphoff
Biologist (M.Sc.), Head of IVF Laboratory
Reproduction biologist (AGRBM)
Senior Clinical Embryologist (ESHRE)
Languages (other than German):
English
![Johannes Traut](/fileadmin/_processed_/d/e/csm_Traut-Johannes-1240629_2e3fff35dc.jpg)
Johannes Traut
Biotechnologist (M.Sc.), BTA
Deputy Head of IVF Laboratory
Reproductive biologist (AGRBM)
Clinical Embryologist (ESHRE)
Languages (other than German):
English, Spanish, French
Medical-technical assistants/ Biological-technical assistants
![Carolin Ontrup](/fileadmin/_processed_/6/7/csm_Reher-Carolin-1240545_4f7a70547f.jpg)
Carolin Ontrup
Medical-Technical Assistant
![Uta Hüwe](/fileadmin/_processed_/7/3/csm_Hu__we-Uta-1240588_c7f5ceb226.jpg)
Uta Hüwe
Medical-Technical Assistant
![Isabell Keimer](/fileadmin/_processed_/0/e/csm_Keimer-Isabell_7f9effdc59.jpg)
Isabell Keimer
Biological-Technical Assistant
![Sonja Krug](/fileadmin/_processed_/5/f/csm_sonja-krug_e9bd6acc35.jpg)
Sonja Krug
Biological-Technical Assistant
![Tanja Mäkler](/fileadmin/_processed_/c/3/csm_Ma__kler-Tanja_aef9d2c61d.jpg)
Tanja Mäkler
Medical-Technical Assistant
![Johanna Musiol](/fileadmin/_processed_/2/4/csm_Musiol-Johanna_f735ee8d08.jpg)
Johanna Musiol
Medical-Technical Assistant
![Bendix Scholten](/fileadmin/_processed_/3/2/csm_Bendix-Scholten_c3e4f6be2a.jpg)
Bendix Scholten
Biological-Technical Assistant
![Natascha Strauch](/fileadmin/_processed_/b/c/csm_Strauch-Natascha-1240432_6e141d4833.jpg)
Natascha Strauch
Medical-Technical Assistant
![Katrin Witte](/fileadmin/_processed_/4/2/csm_Thiesbrummel-Kathrin_d48882be64.jpg)
Katrin Witte
Medical-Technical Assistant
![Sarah Schumann](/fileadmin/_processed_/3/d/csm_Thyrock-Sarah_aeb1be3875.jpg)
Sarah Schumann
Biological-Technical Assistant (currently on maternity leave)
Biotechnologists/Biological-technical assistants
Schedule a Consultation Appointment
You can arrange your personal advisory consultation directly by phone.
Our number is 0271 7701810.
We will be happy to take your call. Our business hours:
Monday, Tuesday, Thursday 8 AM – 6 PM
Wednesday 7:30 AM – 2 PM
Friday 7:30 AM – 5 PM