As one of the leading flute professors in the world, Mr. Robertello is currently on the faculty of Indiana University School of Music. He has also served on the faculties of the Cleveland Institute of Music and Carnegie Mellon University. He regularly presents recitals and masterclasses throughout the US and Japan and has made solo appearances at Pacific Music Festival, Nara Festival, Grand Teton Music Festival, Brevard Music Center and numerous other venues. He has also presented recitals in South America and South Korea and has given masterclasses at the Shanghai Conservatory in China. He has performed chamber music concerts with members of the Vienna Philharmonic and Empire Brass at the Pacific Music Festival and is a regular performer at the Sarasota Festival each summer. Robertello was the first featured flute soloist at the Kirishima Festival in Japan in 2003. He has appeared as soloist with the Pittsburgh Symphony and Londrina Festival Orchestra Brazil as well as on Bartok Radio Hungary.

A versatile solo performer with an extremely varied repertoire, Robertello is also a leader in the effort to expand the flute's solo literature and the role of the flute in new music. He has commissioned and championed the works of several young composers including Martin Kennedy, David Dzubay, Mischa Zupko and Matthew Van Brink. Solo recordings include Gypsy Wheel on Crystal Records - music by Griffes, Bizet/Borne, Taffanel as well as three new commissions with pianist Winston Choi. Other solo recordings include Souvenir - Music by Faure and Martin Kennedy with the composer at the piano for RIAX and Thomas Robertello Flute Recital recorded live during Mr. Robertello's Japan debut tour in 1996.