[2] Kuba graduated from the Secondary Industrial School of Civil Engineering in České Budějovice in 1991, before deciding to become a doctor.

During his tenure as Deputy Governor of the South Bohemian Region, he retained a one-fifth job at the České Budějovice Hospital, and was also a member of its Supervisory Board.

In his property declaration, he listed remuneration for his membership of the board of directors of the České Budějovice heating plant, which belongs 80% to the city (together with dividends he came to 150 thousand crowns, ended here after the municipal elections).

[4] After his appointment as minister, he stated that he would transfer this small business to members of his family so that there would be no conflict of interest.

Petr Nečas publicly called party representatives who failed in the election to resign but Kuba remained in the position.

Kuba became a member of Petr Nečas' Cabinet on 16 November 2011, replacing Michal Doktor as Minister of Industry and Trade.

Kuba ran for the position of České Budějovice Mayor in 2018 municipal election in an attempt for political comeback.

[21] Kuba then formed coalition with KDU-ČSL, TOP 09, Czech Social Democratic Party and South Bohemians.

[22] Kuba gained widespread media attention during COVID-19 pandemic in the Czech Republic when he introduced Conception of Vaccination centres.

Kuba led ODS during 2024 regional election in South Bohemia running for reelection for Governor.