Rudnicka is a member and in years 2004-2008 was secretary of the board of Polish Dermatological Society.
Rudnicka was speaker (and on many occasions a co-organizer) at multiple dermatology meetings, including: American Academy of Dermatology, European Academy of Dermatology and Venerology (topics included: hair diseases, dermosopy and skin cancer detection, psoriasis, psoriatic arthritis, biological therapy in skin diseases, connective tissue diseases, acne, clinical trials) [REF].