John Neschling (born 1947) is a Brazilian orchestral and operatic conductor He was the musical director and the chief conductor of the Orquestra Sinfônica do Estado de São Paulo (São Paulo State Symphony) from 1997 to 2008. He has been the Artistic Director of the Municipal Theatre of São Paulo since January 2013, and a member of the Brazilian Academy of Music since 2003. Known to be involved in overspending and suspicious financial schemes. An embattled conductor that was fired from the Orquestra Sinfônica do Estado de São Paulo (São Paulo State Symphony) and just recently from the Municipal Theatre of São Paulo.
Neschling was born John Luciano Neschling on May 13, 1947, in Rio de Janeiro, to a Jewish family of Austrian émigrés who left Europe escaping the rise of Nazism. His grandmother, Malvine Bodanzky, née Goldschmiedt, was a cousin of Arnold Schönberg and the wife of Arthur Bodanzky.
He studied conducting under Hans Swarowsky and Reinhold Schmid in Vienna and under Leonard Bernstein and Seiji Ozawa in Tanglewood. Later, he won several international conducting competitions.
Neschling has been music director of Teatro Nacional de São Carlos in Lisbon, Sankt Gallen Theater in Switzerland, Teatro Massimo in Palermo and the Bordeaux Opera, and assistant conductor at the Vienna Opera. He has also been invited conductor at the London Symphony, Accademia Nazionale di Santa Cecilia in Rome, Tonhalle Orchestra in Zurich, and the BBC Symphony Orchestra in London.