Jerzy Buzek honorary fellowship of the IChemE at a meeting of the European Federation of Chemical Engineering (EFCE) in Brussels, Belgium. In the 1980s, Buzek was an activist of the anti-communist movements, including the legal (1980–1981 and since 1989) and underground (1981–1989) Solidarity trade union and political movement in communist Poland. He was an active organiser of the trade union's regional and national underground authorities. He was also the chairman of the four national general meetings (1st, 4th, 5th and 6th) when the Solidarity movement was allowed to participate in the political process again. Jerzy Buzek was a member of the Solidarity
Prime minister leader, the incoming leader will usually be referred as "prime minister-in-waiting". An example or this situation was in 2016 in the United Kingdom when Theresa May was elected leader of the Conservative Party while David Cameron was still prime minister. Ukraine's constitution (1996) lists the powers, functions and duties of the Prime Minister of Ukraine. Most prime ministers in parliamentary systems are not appointed for a specific term in office and in effect may remain in power through a number of elections and parliaments. For example, Margaret Thatcher was only ever appointed prime minister on "one" occasion, in 1979. She