Jekaterina Macuka is a qualified lawyer, with master's degree in Law (Latvian University) who worked more than 10 years at the Ministry of Justice of Latvia. During the Latvian Presidency in the Council of the European Union in 2015 Jekaterina Macuka was the chair person of the EU Council working party “Data protection and information exchange working party” (DAPIX).

From 2020 has a position of the head of the data protection supervisory authority – Data state inspectorate of Latvia. From the 2021 lecturer at the Latvian University teaching personal data protection rules.