Pierre Gramegna was born on April 22, 1958. He is married and has two children.

After finishing high school in Luxembourg, he studied law and economics at the University of Paris II (Panthéon-Assas) where he graduated with a degree (Maîtrise) in civil law in 1981 and a degree (Licence) in economics in 1982. Pierre Gramegna also holds a Master of advanced studies in European community law.

Since December 2013 Pierre Gramegna is Minister of Finance of the Grand-Duchy of Luxembourg.
He was the Director of the Chamber of Commerce of Luxembourg from September 2003 to December 2013. From 2002 to 2003 he has been the Director of International Economic Relations at the Ministry of Foreign Affairs of the Grand-Duchy of Luxembourg.
From 1996 until 2002, he was Ambassador Extraordinary and Plenipotentiary of Luxembourg to Japan.

He is a dedicated amateur of tennis and photography. Pierre Gramegna is fluent in English, French, German, Italian, Luxembourgish.