[9][16][17] In 2006, Kiska co-founded a non-profit charitable organization called Dobrý anjel (translated as Good Angel), in which donors help families that have found themselves in a difficult financial situation as a result of a family member contracting a serious disease, such as cancer).

[20] In the first round of the 2014 Slovak presidential election, Kiska placed second with 24% of the vote, behind Prime Minister Robert Fico (28%).

With the support of right-wing parties and other defeated candidates, Kiska won decisively in the second round, receiving nearly 60% of the vote.

[22] Kiska announced on 15 May 2018 that he will not participate in 2019 presidential election, arguing that his departure might end "the era of political confrontation" his country faced and citing a desire to spend more time with his family.

[23][24] At the time Kiska made the announcement, polls indicated that he was Slovakia's most trusted politician and that he would have likely been the frontrunner in the election had he chosen to present himself as a candidate.

[27] Despite being a co-favourite candidate for premiership, the party barely entered parliament trespassing the electoral threshold by mere 0.77% of votes in February 2020 election.

[28] By August, announced his retirement from active politics citing personal and health reasons.

[30][31][32][33] In 2023 Slovak parliamentary election, Kiska endorsed and supported SaS, which ran a group of former Za Ľudí candidates, including former Minister of Justice Mária Kolíková, following an intra-party split with Kiska's successor as ZĽ leader Veronika Remišová.