Martin Hojsík (born 27 January 1977)[2] is a Slovak activist, an environmental expert and a politician elected as a Member of the European Parliament in 2019.

[9] In his master's thesis, he focused on the importance of selected chemomutagens for dedifferentiation, callogenesis, organogenesis and gene expression in groundnut (Arachis hypogaea L.).

First, from 1995 to 1997, he held the position of an external project manager for energy efficiency at Greenpeace Czechoslovakia, where he was in charge of media communication, logistics and coordination of volunteers.

[11] From 2005 to 2009, he worked as an activist for Greenpeace International, dealing with cases such as illegal exports of electrical waste to Asia (China, India, Pakistan) and Africa (Ghana, Nigeria), as well as budget planning, management and training of volunteers.

During his days in FOUR PAWS, Hojsík was responsible for the organization and implementation of program related strategies, projects, campaigns and their respective monitoring, evaluation and controlling.

In the years 2003 - 2004, as held a position of a member of National Coordination Committee of Initial assistance to the Slovak Republic to meet its obligations under the Stockholm Convention on Persistent Organic Pollutants (POPs).

In 2019, he ran for the European Parliament as a coalition candidate of the non-parliamentary movement Progressive Slovakia (PS) and the party of Civic Democracy (SPOLU)[15] In 2020, he also joined the Committee of Inquiry on the Protection of Animals during Transport.