Marcin Tomaszewski, aka Yeti (born 1975 in Szczecin, Poland) – is a Polish mountaineer, alpinist, big wall climber.

A surveyor by profession. He is also a member of the Polish Mountaineering Association (PZA) National Team in mountaineering, climbing instructor, mountain photographer, author of books and fairy tales for children published in the form of an audiobook, in cooperation with the Góry Books publishing house and actors of the Polish Theatre, Współczesny Theatre in Szczecin and Czwarte Miasto Theatre in Gdynia. A columnist, co-creator of the Summit mountaineering jewellery collection, in collaboration with Anna Orska. A designer of mountain clothing with the HiMountain brand (4Elements collection). A former judoka representing Arkonia Szczecin Sports Club.

Marcin was the originator of the project Skalna Wioska Yeti (Rocky Village Yeti) - executed from the Civic Budget in the Municipality of Dobra - the aim of which is to import approximately one thousand tonnes of natural rock from southern Poland and to build climbing rocks out of it in Buk, near Szczecin. He is an ambassador of numerous foundations, including the Polish Mobile Clinic, Jerzy Kukuczka Polish Mountaineering Support Foundation, Start Foundation, Wspinaczom z Ukrainy (For Ukrainian Climbers), and the creator of the "Supporting Nepal's Children" campaign in cooperation with the White Grain Foundation, whose goal was to send clothing and shoes for poor children from Sherpa villages located high in the mountains of Nepal, India and Pakistan. A member of the Kolosy Travel Awards Chapter.

He's been climbing for more than 30 years and during this time he was a member of numerous climbing expeditions to Alaska (2003, 2007, 2009, 2014,2016), Argentina (2012), China (2006, 2010), Greenland (2000, 2017, 2021, 2023), India (2004, 2019), Canada (2012), Nepal (2015, 2018), Norway (2006, 2007, 2015), Pakistan (2001, 2007, 2013, 2021), Patagonia (2006, 2009, 2018), Wenezuela (2010), Buffin Island (2002), Yosemite (2005).

He climbed 70 routes in Alps and about 250 in Tatra Mountains in Summer and in Winter.

His newest achievement is First Ascent FRAM 700,unclimbed wall, First Winter Big Wall Greenland, together with Paweł Hałdaś, February 2023💪

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BIO: Marcin "Yeti" Tomaszewski

LINKS:
www.marcintomaszewski.pl
https://www.facebook.com/MarcinYetiTomaszewski
https://www.instagram.com/marcinyetitomaszewski