Sophie-Isabelle Horst advises national and international clients in pre-arbitral scenarios as well as in disputes before arbitral tribunals and national courts. Her clients include companies from the pharmaceutical and renewable energy sector. Sophie-Isabelle's focus lies on contractual and commercial disputes.

Sophie-Isabelle has a strong academic background in International Arbitration and Private International Law. While still at law school she successfully participated in the Willem C. Vis International Commercial Arbitration Moot, one of the largest international moot court competitions, both as a team member and as coach. During her legal traineeship Sophie-Isabelle worked, inter alia, at the Federal Ministry of Justice and Consumer Protection as well as the dispute resolution departments of two international law firms.