He is the founder and Chief Investment Officer of MCI Capital SA, a private equity group in Central and Eastern Europe.

[4] When he moved to Wrocław to attend the university, he also began importing old and new computers to Poland, among them Commodore 64s, which made him one of the company's largest European customers.

During these eight years, he turned the company into the leading Central European PC assembly and distribution business,[1] generating over $100 mln in revenue.

[4] In 1999, after leaving JTT Computer S.A., Czechowicz founded MCI Group, one of the leading private equity firms in Poland[8] and in Europe, and has been its managing partner since.

MCI Capital ASI SA is a private equity fund with activities under management of PLN 2,7 billion (as of 19 September 2024[9]).