Born in Cuba, Reinaldo Macias grew up in the United States, where he studied at Loma Linda University in California and won the Metropolitan Opera Auditions. He then moved to Europe, where he graduated from the Conservatoire de Genève and pursued further studies in Italy with Arrigo Pola and Claude Thiolas.
In 1989, Reinaldo Macias made his debut at the Opernhaus Zurich as Almaviva in Il barbiere di Siviglia. He has since become a permanent member of the company and has sung roles including, Ferrando (Cosi fan tutte), Don Ottavio (Don Giovanni)., Duca di Mantova (Rigoletto), Tamino (Die Zauberflote), Fenton (Falstaff), Rinuccio (Gianni Schicchi), Romeo (Romeo et Juliette), Mitridate, Carlo di Sirval (Linda di Chamounix), Lucio Silla, Lord Percy (Anna Bolena), Oswald (Der Teufels Lustschloss), Nemorino (L’Elisir damore), Ernesto (Don Pasquale), Alfredo (La Traviata), Faust and Ismaele (Nabucco).
Further Euopean engagements include the Wiener Staatsoper, the Hamburg Staatsoper (L’Elisir d’amore), the Semperoper Dresden, La Monnaie Brussels, Opera de Nice (Romeo et Juliette), the Opera de Paris, the Staatsoper Berlin, the Deutsche Oper Berlin (Faust), the Stadtheater Köln, the Operas de Montpellier, the Opera National du Rhin (Faust, Romeo et Juliette) the Opera de Monte Carlo (La Traviata) and the Bayerische Staatsoper Munich (La Traviata). For the Opera de Oviedo he has sung the role of the Chevalier des Griuex (Manon).
Reinaldo Macias has worked with numerous prominent conductors, including : Nello Santi, Bruno Campanella, Silvain Cambreling, Nicolas Harnoncourt, Rafael Frübeck de Burgos and Franz Welser-Möst.
At the same time, Reinaldo Macias has pursued a high-level concert career, which has included the Verdi Requiem at the Salle Pleyel de Paris and Mendelssohn Elias in South America.
Recent roles include: Nicias (Thais) at the Opera de Oviedo, Raffeale (Sitfelio) at the Royal Opera Covent Garden, Dmitri (Boris Godunov), Loge (Das Rheingold), Laka (House of the Dead) at the Opernhaus Zurich and Flavio at the Théâtre des Champs-Élysées, Festspielhaus Baden-Baden, Edinburgh International Festival, Opéra de Monte-Carlo and Opernhaus Zürich.
His recordings include Puccini Messa di Gloria, Schubert Lazarus and Verdi Requiem.