He was born in the USA. He graduated from the Yale School of Drama as a stage manager. He then toured as stage manager with the dance troupe Twyla Tharp Dance, where he worked alongside Jennifer Tipton, thus beginning his career as a lighting designer. He has worked extensively on Broadway and in London, as well as in many regional theaters such as the Lincoln Center, New York Metropolitan Opera, Playwrights Horizons, Goodman Theatre, La Jolla Playhouse and Steppenwolf. His credits also include various ballet companies and operas internationally. He designed the lighting for many of Peter Sellars' productions, including on The Persians (1993). He has designed lighting for a large number of plays and operas, including the following: Theodora, by Handel (1996), Doctor Atomic and Nixon in China, by John Adams, L 'amour de loin, by Kaija Saariaho (2004), Pelléas et Mélisande, Slavs!, The Good Person of Setzuan, Ajax, Tale of a Soldier, etc. He has been honored repeatedly by the Drama-Logue Award, the Obie Award (Off-Broadway Theater Awards), as well as with the Joseph Jefferson Award for Lighting Design (1991), and was nominated many times for the same award (1987, 1991, 1992, 1993, 1994, 1995, 1996, 2009, 2012). He is assistant professor of lighting design at the University of California, San Diego. Ingalls designed the lighting for the GNO’s revival of Peter Sellars’ production of the opera Nixon in China, at the Athens Concert Hall (2006/7). // Last update of the biography: March 2020 - The list of the productions below is complete.