- Sebastian specializes in public procurement law, PPP projects, claims assessment, FIDIC and infrastructure disputes, supporting both contractors and ordering parties, including those in the fields of architecture, energy, transport and IT.
- Sebastian advised on the preparation and implementation of infrastructural investments (modernization of railway and road lines, construction of an airport and a stadium for EURO 2012).
- Sebastian also provides legal advice in the preparation of a dispute resolution strategy and negotiations with the ordering parties, as well as claim management.
- Effectively represents clients before the National Appeal Chamber (over 120 hearings). He is a speaker at conferences and seminars devoted to public procurement.
- Sebastian took 2nd place in the Rising Stars 2012 ranking organized by Gazeta Prawna and Lexis Nexis as a distinguished lawyer with an innovative approach to clients and leading the most difficult infrastructure projects in Poland.