[5][7][8] He spent a year as the CEO of Fab Europe until end of 2012 where he oversee the company reaching the unicorn status at a USD 1 billion valuation.

[20] The total portfolio of the Rapid Pioneers Group consists of over 25 companies, including green climate tech unicorn Enpal GmbH,[21][22] Carprice, SevenSenders, Bending Spoons, Hive logistics, everdrop and Wild Cosmetics.

[25] In 2018, the company Lesara struggled with follow-on financing and had to declare bankruptcy, selling a part of the insolvency mass to Ladenzeile, a subsidiary of Axel Springer SE.

[26][27] In April 2021, Kirsch has raised $345m in an IPO on the NASDAQ stock exchange for the investment vehicle Tio Tech.

[28] In April 2023, Tio Tech announced its shutdown after failing to complete a transaction within an agreed two-year deadline.