Simon Sonnenberg
- 2005: Admission to the bar & foundation of Sonnenberg Law Office
- Since 2018: voluntary legal advice for AWO and Diakonie Düsseldorf in the field of aliens law
- Main areas of practice: Foreigners law, labor law, corporate law, commercial law
Ye Cheng
- 2015: Admission to the bar and affiliation with Sonnenberg Law Office
- Main practice areas: intellectual property law, competition law, e-commerce, immigration law
Dr. jur. Yueshi Qi, LL.M.
- Translator authorized by the President of the OLG Düsseldorf
- 2015: Doctorate in Law and affiliation with Sonnenberg Law Office
- Main focus: Corporate law, immigration law