Marcin Sosiński

Marcin Sosiński is one of the most awarded and influential creative leaders in Central and Eastern Europe. He spent the majority of his professional life at McCann, shaping some of the network’s most celebrated campaigns in the region. Today, he serves as Chief Creative Officer of Dentsu Creative Poland & CEE, where he continues to champion the voice of the region on the international stage.

With over 20 years of experience, he has led breakthrough work across local and global brands, building high-performing teams that consistently deliver both creative excellence and cultural relevance. Under his leadership, McCann Poland was named Cannes Lions For Good Agency of the Year in 2023, recognizing its commitment to purposeful creativity on a global level.
Marcin’s work has been widely recognized, earning top honors including a Titanium and two Grand Prix at Cannes Lions, a D&AD Black Pencil (first for Poland), and Grands from The One Show, LIA, Eurobest, Webbys, Clios, Golden Drum and many more.

At Golden Drum alone, his creative leadership has resulted in multiple Grand Prix (6), Gold, Silver, and Bronze Drums, as well as the Best of Genius Loci and the prestigious title of Creative Director of the Year in 2023. His campaigns, from “Where to Settle”, „Room for Everyone” to “The Future Peasants”, are not only awarded, but also celebrated for capturing the unique spirit and cultural nuance of CEE. He is proud to have been asked to join the Creative Business Excellence jury this year.

A firm believer in the power of locally-rooted creativity, Marcin has played a pivotal role in elevating the region’s voice globally. Through his jury work, mentoring, and network initiatives, he continues to advocate for ideas born in this part of the world — bold, surprising, and full of human insight. Beyond his work with global brands, Sosiński is deeply involved in fostering creativity in his home market. He actively supports the development of the industry in Poland as a board member of the Ad Creators Club.

In 2025, two of his campaigns were ranked as the most awarded in the global financial sector, and he was named the 9th most awarded Executive Creative Director in the world (5th in EMEA) — further proof that great creativity from this region travels far.