[1][2] He was the co-founder of Cera Care, and the first CEO of Rohlik.cz and head of XOM Materials.
[8] In 2014, Tomáš Čupr founded Czech online supermarket Rohlik.cz, with Sacha as 1st CEO.
[9][10] He served as the head of the company for the initial period before transferring his share and leaving the organization.
[11][12][13][14] In 2015 Sacha co-founded Cera Care with Mahiben Maruthappu and Martin Ocenas.
[17] In the same year Sacha joined XOM Materials, an initiative of Klöckner.