Czesław Adam Siekierski (born on 8 October 1952 in Stopnica) is a Polish politician and Member of the European Parliament for the MP & SW with the Polskie Stronnictwo Ludowe, part of the European People's Party and sits on the European Parliament's Committee on Agriculture and Rural Development.

Siekierski is a substitute for the Committee on Fisheries and a member of the Delegation to the EU-Croatia Joint Parliamentary Committee.

See also: European Parliament election, 2004 (Poland)

Jarosław Kalinowski (Polish pronunciation: [jaˈrɔswaf kalʲiˈnɔfskʲi], born April 12, 1962), is a Polish politician, from the agrarian Polish People's Party (PSL).

Kalinowski was born in Wyszków. He was first elected to the Sejm in 1993, and was reelected in the subsequent elections of 1997, 2001, 2005 and 2007. At the 2005 legislative elections of September 25, he gained 15,855 votes in the 18th electoral (Siedlce) district. He was reelected to the Sejm once again at the legislative elections of October 21, 2007.

Kalinowski was deputy Prime Minister and Minister for Agriculture from April to October, 1997, in the cabinet of Wlodzimierz Cimoszewicz. He was returned to both these positions again from October 2001 to March, 2003, in the cabinet of Leszek Miller. Kalinowski succeeded Waldemar Pawlak as the leader of the PSL party in November, 1997 and he held this position to March 2004. He contested the Polish presidential election as the PSL candidate in 2000 (5.95% of votes), and again in the following presidential elections of 2005 (1.8% of votes). Following the 2005 Polish legislative elections, he was elected to the position of Vice-Marshal of the Sejm of the Republic of Poland (deputy Speaker of the lower house) in November. He was reelected to this position following the legislative elections of 2007.

Andrzej Grzyb (born August 23, 1956 in Siedlików) is a Polish politician. He was elected to Sejm on September 25, 2005 getting 7986 votes in 36 Kalisz district, candidating from Polskie Stronnictwo Ludowe list.

He was also a member of PRL Sejm 1989-1991, Sejm 1993-1997, and Sejm 2001-2005.

Stanisław Kalemba (born October 25, 1947 in Piekary) is a Polish politician. He was elected to Sejm on September 25, 2005 getting 7830 votes in 38 Piła district, candidating from Polskie Stronnictwo Ludowe list.

He was also a member of Sejm 1991-1993, Sejm 1993-1997, Sejm 1997-2001, and Sejm 2001-2005.

Jerzy Karol Buzek [ˈjɛʐɨ ˈbuzɛk] ( listen) (born 3 July 1940) is a Polish engineer, academic lecturer and politician who was the ninth post-Cold War Prime Minister of Poland from 1997 to 2001. He has been a member of the European Parliament since 13 June 2004, and he was elected as President of the European Parliament on 14 July 2009, succeeding Hans-Gert Pöttering. He is married to Ludgarda Buzek and is the father of Polish actress Agata Buzek.

Jerzy Karol Buzek was born to a Lutheran family on 3 July 1940 in what is now Smilovice in the Czech Republic. He was born into the prominent Buzek family, which participated in Polish politics in the Second Polish Republic during the interbellum. The family was part of the Polish community in Zaolzie. Buzek's father was an engineer. After the Second World War, his family moved to Chorzów. He is a Protestant.

In 1963 Jerzy Buzek graduated from the Mechanics-and-Energy Division of the Silesian University of Technology, specialising in chemical engineering. He became a scientist in the Chemical Engineering Institute of the Polish Academy of Sciences. Since 1997 he has been a professor of technical science. He is also an honorary doctor of the universities in Seoul and Dortmund.