[2] At the Universidad de Granada, he helped found the ensemble SONÓORA, with a focus on modernist and avant-garde music.

In 2007, Heras-Casado cofounded La Compañía Teatro del Principe, a period instrument ensemble based in Aranjuez, Spain which focuses on neglected operas of the Spanish baroque era.

His work in contemporary music has included conducting the world premieres of Marc-Olivier Dupin's ballet Les enfants du paradis for Opéra National de Paris (2008) and of the opera Matsukaze by Toshio Hosokawa (2011).

Outside of Spain, Heras-Casado made his US debut in June 2008 with the Ensemble ACJW at Carnegie Hall, New York.

[5] In September 2014, he was appointed the next principal guest conductor of the Teatro Real in Madrid, with an initial contract of three seasons over the period 2015–2018.

[11] Musical America’s 2014 Conductor of the Year, Pablo Heras-Casado holds the Medalla de Honor of the Rodriguez Acosta Foundation and the Ambassador Award of the Regional Government of Andalusia.