# Personnel
**Source**: https://bgp.cs.tum.de/en/team/personnel
**Parent**: https://bgp.cs.tum.de/en/
## Head
### [Prof. Dr. Cordt Zollfrank](/en/team/cordt-zollfrank)
[Chair of Biogenic Polymers](/en/)
- Dean of Studies
- Commissioner for Academic and Student Affairs
- Head of Chair
Phone:
: [+49 9421 187-450](tel:+499421187450)
Email:
: [cordt.zollfrank@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A16](https://nav.tum.de/room/3501.02.216A)
## Office
### Petra Peklo
[Chair of Biogenic Polymers](/en/)
- Team Assistant
Phone:
: [+49 9421 187-451](tel:+499421187451)
Email:
: [petra.peklo@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A15](https://nav.tum.de/room/3501.02.215A)
## Technical Assistants
### Sabine Witzel
[Chair of Biogenic Polymers](/en/)
- Chemical Assistant
Phone:
: [+49 9421 187-453](tel:+499421187453)
Email:
: [sabine.witzel@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A08](https://nav.tum.de/room/3501.02.208A)
### Nicole Nowak
[Chair of Biogenic Polymers](/en/)
- Technical Assistant
- Biological laboratory assistant
Phone:
: [+49 9421 187-455](tel:+499421187455)
Email:
: [nicole.nowak@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A08](https://nav.tum.de/room/3501.02.208A)
## Group Leaders
### [Dr. Daniel Van Opdenbosch, Dipl.-Ing.](/en/team/daniel-van-opdenbosch)
[Chair of Biogenic Polymers](/en/)
- Head of Laboratory for Structural Characterization
- Radiation protection officer
Phone:
: [+49 9421 187-452](tel:+499421187452)
Email:
: [daniel.van-opdenbosch@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A13](https://nav.tum.de/room/3501.02.213A)
## Research Associates & Doctoral Students
### Postdocs
#### Dr. Yvonne Gmach, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Postdoctoral Researcher
- Research Assistant
Phone:
: [+49 9421 187-463](tel:+499421187463)
Email:
: [yvonne.gmach@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A12](https://nav.tum.de/room/3501.02.212A)
### PhD Students
#### Heidi Englberger, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-458](tel:+499421187458)
Email:
: [heidi.englberger@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A14](https://nav.tum.de/room/3501.02.214A)
#### Alexander Helmbrecht, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-460](tel:+499421187460)
Email:
: [alexander.helmbrecht@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A11](https://nav.tum.de/room/3501.02.211A)
#### Maximilian Maidl (geb. Maier), M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-464](tel:+499421187464)
Email:
: [maximilian.maidl@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A12](https://nav.tum.de/room/3501.2.A12)
#### Matthias Pfaff, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-456](tel:+499421187456)
Email:
: [m.pfaff@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A14](https://nav.tum.de/room/3501.02.214A)
#### Felicitas von Usslar, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-466](tel:+499421187466)
Email:
: [f.vonusslar@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A09](https://nav.tum.de/room/3501.02.209A)
#### Weixuan Wang, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-465](tel:+499421187465)
Email:
: [weixuan.wang@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A12](https://nav.tum.de/room/3501.02.212A)
#### Goldee Thoidingjam, M.Sc.
[Chair of Biogenic Polymers](/en/)
- Doctoral Candidate
- Research Assistant
Phone:
: [+49 9421 187-457](tel:+499421187457)
Email:
: [goldee.thoidingjam@tum.de](#)
TUM Campus Straubing
Schulgasse 16\
94315 Straubing
Room: [3501.2.A11](https://nav.tum.de/room/3501.2.A11)