Reaktor Residents and Friends are Polish most accomplished startup entrepreneurs and experts, people who get shit done. They’re always happy to help newcomers. Every other Friday between 1-3pm CET you can book open office hours with resident on duty and talk about your idea whether you are planning a startup or a corporate project.

Marta Diana Koziarska – CEO

CEO of ReaktorWarsaw. Co-founder of preacceleration programme ReaktorX. Ambassador of Startup Poland. Curator of Warsaw Startup Digest. Physicist.
Email at

Agata Kwasniewska – Manager

Manager at ReaktorWarsaw. Founder and editor of Not Random Art, the contemporary art review. Psychologist, yogi and kick-boxer.
Email at

Borys Musielak

Borys co-founded Filmaster, a personalization service acquired in 2015 by Samba TV where he is currently building the European branch. He also runs ReaktorWarsaw and co-founded Startup Poland, a foundation that became a voice of Polish startups. Listed as one of 50 most creative Polish entrepreneurs by BRIEF. Mentor at Founder Institute Warsaw. Film buff. Chicago Bulls fanboy. Blogs at, tweets as @michuk.

Anna Walkowska

Founder and CEO at Homplex. Happy entrepreneur and motivator. Co-founded Reaktor, Startup Poland and Startup Grind Warsaw. Previously IT security expert in ABN AMRO and RBS leading teams in the Netherlands, Poland and the UK. Believes in Business Angels investors and local markets solutions. Advises on business models and process optimization.

Przemek Jurgiel-Zyla

Blogs on electronics and maker movement. Responsible for business development and creating new solutions in (Department of Publishers in Adkontekst & Contentstream networks, Netsprint Adserver and DMP and Audience systems). Revision Commitee member in National Economic Chamber of Electronics and Telecommunications, Warsaw Hackerspace member, Warsaw Makerspace co-founder and maker movement evangelist.

Adam Zajdzik

Co-founder at Kekemeke. Worked for several big companies on both popular (as in “millions of users”) and “important” or strategic products. Quit to take his turn at trying to change the world. Hates compromises and mediocrity.

Pawel Czerski

Co-founder and a Product Guy at Filmaster. Specializes in Human-Computer Interaction, User Centered Design, and User Experience. Organizes some of the biggest European conferences for front-end developers: Front-Trends and Falsy Values. Previously, managed a team of front-end developers and designers at the information technology services division for F. Hoffmann-La Roche Ltd.

Marcin Zabielski

Managing Partner at Hedgehog Fund – early stage investment fund. Before that, he worked as the strategic consultant, developed online auctions in 5 European countries and co-created the biggest online recruitment business in CEE. Privately rock singer, back-pack traveller and Chelsea London FC devoted fan.

Pawel Lipiec


Recognizable in digital branch person. Active in communities, from IRC, through forums and discussion groups, microblogs, blogs and vlogs in the end. In Allegro Group he was managing editor of, responsible for development and promotion. Currently as  Influencers Relations Lead in VML Poland he is responsible for ambassadors effect of campaigns realised by agency, i.e. their scale and good fitting of influencer actions to stategic-creative premises of communication and brand.

Konrad Latkowski

PR, communication and marketing specialist since 2004. Co-fouder and chief editor at, developed brands for and VEDIA S.A.. Konrad was responsible for introducing such brands as iriver and Cowon into the Polish market. In 2010 he co-founded Manubia Group.

Current projects can be followed on the After hours he is involved in the Polish startup community as co-founder of Startup Poland Foundation and co-organizer of Warsaw Startup Weekend.

Tomasz Kolinko

Tomasz is a serial entrepreneur. He got himself covered in Techcrunch and Fast Company, he mingled in the valley, he pitched at Seedcamp, and talked with enough investors to become certain that he’s a bootstrapper at heart. In 2011 he developed a couple independent iOS apps, and in 2012 – launched AppCodes, a webservice helping developers with App Store SEO.

Bartek Pucek

Owner Pucek Consulting, Board Director at Ifinity, alumni of Stanford University GSB and the Kauffman Fellows Academy in Venture Deals. Expert in business strategy, innovation and investment. He has experience in working with large (> $ 50M annual revenue) and smaller firms, especially startups. Ex-Head of Mobile, o2, ex-Chairman of the Foundation’s Startup School, Product Manager, founder. Author of

Kuba Filipowski

Co-founder of Netguru – a web development consulting company and Humanway – software for managing the recruitment process. Worked on many different web based projects – collaborating both with new and “internal startups” for established companies. Manages remotely a team of over 30 people (mostly web developers). Regularly blogs and tweets about entrepreneurship, lean management and beautiful content. Bachelor of Philosophy.