Ernest Wit (haigō of a Polish poet born January 5, 1961, near Poznań, Poland), teacher, translator, editor, and lexicographer. Published in leading Polish and international print and online journals, almanacs, and kukai and included in several important anthologies. Author of three books of haiku and a coeditor of four annual almanacs of the Polish Haiku Association. Won recognition in Japanese, British, and American competitions and listed on the European Top 100 most creative haiku authors every year since 2010. Lives in a small town near Szczecin, Poland.

Eugeniusz Zacharski (born January 5, 1959, Radom, Poland), retired biomedical engineer. Began composing Japanese short-form poetry in 2015. Had two haiku shortlisted for the 1st Ewa Tomaszewska Poetry Award, (2018) and one in the 3rd edition. Received multiple Pushcart Prize nominations and one for the Touchstone Individual Poem Awards. His haiku, senryu, and haiga have appeared in online and print periodicals and are Haikai anthologized in the 2020 and 2023 Red Moon anthologies and Haiku 2022. Listed on Krzysztof Kokot’s “The European Top 100 Haiku Authors” in 2019–2024. Resides in Radom, Poland.

Ewa Tomaszewska (born January 4, 1957, Warsaw, Poland; died December 4, 2013, Warsaw), Polish poet, translator, and essayist. She was especially known for promotion of classical-style haiku in her homeland, the landmark publication of her Anthology of Polish Haiku (2021), translations of haiku from English, and her own introspective and often spiritual poetry. She last resided in Warsaw.

Irena Iris Szewczyk (born July 16, 1966, Warsaw, Poland), philologist, photographer, and haiku and haiga poet. Active on online kukai and published in online and print publications and anthologies since 2011. Won recognition in international haiku contests, notably those of the HIA and Mainichi Daily News. Master Haiga Artist of the WHA. Published a bilingual book of poems, photographs, and haiga in 2022; blogs at Iris Haiku. Founding member and former board member of the Polish Haiku Association. Lives in Warsaw, Poland.

Krzysztof Kokot (born September 16, 1949, Katowice, Poland ), retired pharmacist, poet, and haiku organizer. He coorganized the 2nd (2015) International Haiku Conference, Kraków, Poland, and has run the European Kukai since 2013 (together with Robert Kania). Recipient of the Grand Prize, 3rd Vladimir Devidé Haiku Award, 2013, and First Place, Setouchi Matsuyama Haiku Photo Contest (Japan, 2013), among many other awards. He has published two volumes of haiku poems: Haiku Time (2012) and Around the Haiku (2017). Honorary Member of the Polish Haiku Association. He is the initiator of the International Picture Postcard project. Since 2011 Kokot has curated “The European Top 100 most creative haiku authors” list and he is the author of the Haikupedia article on that topic. He resides in Nowy Targ, Poland.