Tamás Székely, was born in Budapest, on 13. 09. 1970. First he graduated from the Budapest University of Applied Sciences, Kandó Kálmán Faculty in automatics and market management (1993) and later from the Corvinus University of Budapest, as economist, acquiring qualification in management and organisation (1998). He also attended the Trade Union Sozialakademie of Dortmund, studying Crisis management, project management.
Székely began his trade union carrier as expert in the Chemical Workers Union (VDSZ), being responsible for setting up and managing the largest informatics system among unions that time. He also participated in the preparation of the legislative steps in this field.
Between 1997-2005 he was president of the Youth department of the Chemical Workers Union, while in 2004 joined as coordinator for one year the sectoral Dialogue Committee of Chemical Industry Sector.
In 2005 Székely was elected as vice-president, later in 2009 as president of VDSZ, taking part in the everyday union work and reconciliation system, and managing various projects, participating in public procurement procedures.
In December 2012 he was elected as president of the Autonomous Trade Union Confederation (ASZSZ), where he has worked for renewal and the unification process of the three confederations.
On the founding congress of MaSZSZ, Székely was elected as its vice-president.