Ms. Iorio earned her Bachelor of Music Degree and Master of Music Degree in Violin Performance and Pedagogy from Northern Illinois University, followed by post-graduate studies in Cologne, Germany. She has performed in masterclass for members of the Vermeer String Quartet, Madame Raya Garbousova, Hiroko Yajima, Sergiu Luca and Pinchas Zukerman.

As a private instructor, she manages a private studio, L'archet String Studio, and performs with her chamber music ensemble, Solaia. Ms. Iorio is the music director and conductor of the Sinfonia string orchestra under the auspices of the Lakeshore Youth Philharmonic. Regularly serving as a guest clinician in the Kenosha and Racine Unified School Districts, Ms. Iorio is also the violin, viola, and orchestral clinician at the Christian Life School in Kenosha, Wisconsin. Active in cultural and performing arts programming, Ms. Iorio established "Music in the Wood" String Clinic in 2003 and continues to function as its Artistic Director as well as violin and chamber music instructor. In 2005, she collaborated with violist and international recording artist, Paul Cortese, as part of Music in the Wood String Clinic and presented an arts forum for 450 string students held on the campus of Carthage College.

Ms. Iorio has served on the string faculty at the University of Wisconsin-Parkside, Carthage College, and the Senese Arts and Music Program in Siena, Italy. She is an active member in the American String Teachers Association, Wisconsin String Teachers Association, and the Wisconsin School Music Association. In 2006, she served on the WSMA staff as violin coach for the 2005/2006 Wisconsin Honors Orchestra.

Ms. Iorio has been the concertmaster of the Kenosha Symphony Orchestra, Assistant concertmaster of the Arizona Opera Company, and member of the Elgin Symphony, Rockford Symphony, Illinois Chamber Symphony, Phoenix Chamber Orchestra, Phoenix Bach and Madrigal Society, and Musicisti Americani in Rome, Italy. She has performed as chamber musician and soloist throughout Europe. In 2005 and 2006, Ms. Iorio performed as chamber musician, principal second violin, concertmaster and soloist in Italy and Switzerland under the auspices of l'Universita` degli Studi of Siena, Italy. In 2006, Diana was invited to be the Artistic Director and U.S. coordinator of Luci Toscane Music Festival, based in Siena, Italy. The festival will open in March of 2007.