Derk Jan Eppink (born 7 November 1958) is a Dutch journalist, politician in Belgium, and former cabinet secretary for European Commissioners Bolkestein (1999–2004) and Kallas (2004–2007). In 2009, he was elected to the European Parliament for List Dedecker and sits on the European Conservatives and Reformists Group Executive.

Eppink was born in Steenderen, Gelderland. He studied Dutch law at the VU University in Amsterdam (1977–1981) and thereafter European law and International Politics at the University of Amsterdam. In 1984 he moved to Brussels to become trainee at the European Commission. Thereafter he worked for 3 years as assistant to Members of the European Parliament.

In 1987, Derk Jan Eppink joined the Dutch newspaper NRC Handelsblad where he was assigned to the foreign desk. He covered South Africa, worked as correspondent in Poland and became political editor reporting on Dutch politics in The Hague. In 1995, he moved to the Flemish newspaper De Standaard where he reported on Belgian politics. He wrote two books on his experiences in Belgian politics: Vreemde Buren (Odd neighbors), Avonturen van een Nederbelg (Adventures of a Nederbelg). He was noted for his right-wing views.

Martin Callanan (born 8 August 1961) is a British Conservative Party politician. He has been a Member of the European Parliament for the North East England constituency since 1999, and was re-elected in 2004 and 2009.

Callanan was born in Newcastle upon Tyne. Before becoming an MEP, he stood as a parliamentary candidate for Washington (in the 1987 election), Gateshead East (in the 1992 election), and Tynemouth (in the 1997 election).

He vehemently opposed the erection of the "Angel of the North" sculpture by Antony Gormley.

Before his election to the European Parliament, Callanan worked as a project engineer at Scottish and Newcastle breweries and holds a BSc degree in Electrical and Electronic Engineering from Newcastle Polytechnic. Callanan was the last Conservative member of Gateshead Borough Council, before standing down in 1996. He is a member of the ACP-EU Joint Parliamentary Assembly. Callanan is a regular contributor to ConservativeHome, writing a monthly report.

Boudewijn Bouckaert (born 21 July 1947, Ghent) is a Belgian law professor, a member of the Flemish Movement, and a libertarian conservative thinker and politician. He chairs the academic board of the LIB-ERA! think tank and serves as Member of the Flemish Parliament for the liberal party List Dedecker. He is also a former president of the Belgian classical liberal think tank Nova Civitas.

Boudewijn Bouckaert holds a PhD and teaches at the Law School of the University of Ghent, the University of Paris and the University of Aix-Marseille. He is director of the Department of Legal Theory and History at Ghent University and was chairperson of the European Master in Law and Economics program.

He has been lecturer at the Institute for Humane Studies in Fairfax, Virginia, at the Institute for Economic Studies in Paris, France and also a visitor at Harvard University. He used to sit on the Belgian High Council for Judicial Matters and was chairman of the Land Management Committee. He is also a member of the international free-market group Mont Pelerin Society.

Barry Madlener (born January 6, 1969) is a Dutch politician of the Party for Freedom (PVV). He is the Parliamentary leader of the Party for Freedom in the European Parliament since July 14, 2009. He was a Member of the House of Representatives from November 30, 2006 until July 14, 2009.

Madlener grew up in the village of Oostvoorne. After graduating from high school he became a real estate agent and spent a number of years selling commercial real estate. On March 14, 2002 he was inaugurated as a member of the Municipality Council of Rotterdam for Leefbaar Rotterdam. Together with Kay van der Linde he was also involved in establishing the Livable Netherlands political party.

At the Municipality Council elections in 2002, Madlener was listed eleventh on the list of Leefbaar Rotterdam, the local party whose leader Pim Fortuyn was assassinated later that year. Madlener was considered a confidant of Pim Fortuyn.

The party won 17 seats in these historical elections on March 6, 2002. As Council Member Madlener held the city's infrastructure portfolio. In that function he was an outspoken supporter of the construction of a campus at the Erasmus Universiteit.