Question: Who manages the Spanish team that competes in the biennial UEFA European Under-21 Championship?

Context paragraphs:
2015 UEFA European Under-21 Championship Final: The 2015 UEFA European Under-21 Championship Final was a football match that took place on 30 June 2015 at the Eden Arena in Prague, Czech Republic, and determined the winner of the 2015 UEFA European Under-21 Championship.  Sweden won their first title defeating Portugal 4–3 in the penalty shoot-out, after a goalless draw.

Luxembourg national under-21 football team: The Luxembourg national under-21 football team is the national representative under-21 football team of Luxembourg.  It is controlled by the Luxembourg Football Federation (FLF).  The team is the feeder team to the Luxembourg's national team.  The team competes in the biennial European Under-21 Championship.  Since the establishment of the UEFA European Under-21 Football Championship in 1978 the team has always finished bottom of their qualification group.

2009 UEFA European Under-21 Championship: The 2009 UEFA European Under-21 Championship began on 15 June 2009, and was the 17th UEFA European Under-21 Championship.  This was the first tournament after the competition reverted to a two-year format, following the single-year 2006–07 competition, which allowed the change to odd-numbered years.  Sweden hosted the final tournament in June 2009; therefore, their under-21 team qualified automatically.  51 of the 52 other nations in UEFA's jurisdiction, including Montenegro and Serbia who competed separately for the first time, went through a series of qualifiers to decide the seven other teams to join Sweden at the finals.  Andorra did not take part.  Players born on or after 1 January 1986 were eligible to play in this competition.

1994 UEFA European Under-21 Championship: The 1994 UEFA European Under-21 Championship was the ninth UEFA European Under-21 Championship.  The final tournament was hosted in France between 15 and 20 April 1994.

2015 UEFA European Under-21 Championship: The 2015 UEFA European Under-21 Championship was the 20th edition of the UEFA European Under-21 Championship, a biennial international football competition for men's under-21 national teams organised by UEFA.  The final tournament was hosted for the first time in the Czech Republic from 15–30 June 2015, after their bid was selected by the UEFA Executive Committee on 20 March 2012 in Istanbul.

Albert Celades: Albert Celades López (born 29 September 1975) is a Spanish retired footballer who played as a defensive midfielder, and the current manager of the Spanish under-21 team.

Spain national under-21 football team: The Spain national under-21 football team is the national under-21 football team of Spain and is controlled by the Royal Spanish Football Federation.  The team, nicknamed La Rojita (The Little Red [One]), competes in the biennial UEFA European Under-21 Championship.

2013 UEFA European Under-21 Championship Final: The 2013 UEFA European Under-21 Championship Final was a football match that took place on 18 June 2013 at the Teddy Stadium in Jerusalem, Israel, and determined the winner of the 2013 UEFA European Under-21 Championship.  Spain won their fourth title defeating Italy 4–2.  Thiago scored a first half hat-trick for Spain in the final.

2017 UEFA European Under-21 Championship: The 2017 UEFA European Under-21 Championship (also known as UEFA Under-21 Euro 2017) was the 21st edition of the UEFA European Under-21 Championship, a biennial international youth football championship organised by UEFA for the men's under-21 national teams of Europe.  The final tournament was hosted in Poland for the first time, after their bid was selected by the UEFA Executive Committee on 26 January 2015 in Nyon, Switzerland.  The tournament took place from 16–30 June 2017.  Players born on or after 1 January 1994 were eligible for the tournament.

2019 UEFA European Under-21 Championship: The 2019 UEFA European Under-21 Championship (also known as UEFA Under-21 Euro 2019) will be the 22nd edition of the UEFA European Under-21 Championship (25th edition if the Under-23 era is also included), the biennial international youth football championship organised by UEFA for the men's under-21 national teams of Europe.  The final tournament will be hosted in Italy and San Marino in mid-2019, after their bid was selected by the UEFA Executive Committee on 9 December 2016 in Nyon, Switzerland.

Supporting paragraphs: Albert Celades Spain national under-21 football team
Answer: Albert Celades López