Born and raised in Dallas, TX, Nolan grew up heavily immersed in visual art, theater, and music. He performed in productions with the Dallas Children's Theater, and the Dallas Theater Center, and attended the American Boy Choir School summer program in Princeton, NJ. He studied Dance at Booker T. Washington HSPVA, and at summer ballet intensives in Austin, San Antonio, Seattle, Boston, and Orlando.

He attended The Juilliard School, where he explored modern and contemporary dance, and movement based performance art. He was exposed to masterworks by leading contemporary choreographers, and performed repertory by Jiri Kylian, William Forsythe, Aszure Barton, Elliot Feld and Jose Limon, among others. He took part in The Juilliard Centennial Celebration performance of Elliot Feld's Sir Isaac's Apples, as well as The Juilliard Centennial Celebration tour presenting William Forsythe's Limbs' Theorem #3 to audiences in Chicago and Los Angeles. He also attended Springboard Dans Montreal where he worked intensively on repertory by Crystal Pite and Nacho Duato.

Upon graduating he performed 8 years with the Aspen Santa Fe Ballet, a leading contemporary ballet company, and was featured on tours all throughout the United States, and many international engagements. Mr. McGahan performed works by Jorma Elo, Cayetano Soto, Niccolo Fonte, and Twyla Tharp among many others, and originated many roles in creation processes with the company. He also performed the role of Romeo in Romeo and Juliet in collaboration with the Aspen Music Festival, and Gerald Arpino's Light Rain pas de deux on tours, in ballet galas, and at the Kennedy Center for the Ballet Across America festival. He has performed at American Dance Festival, Jacob's Pillow, as well as international festivals in Canada, the Virgin Islands, Guatemala, Brazil, Italy, Israel, and Russia.

Currently Mr. McGahan splits his time performing with The Metropolitan Opera in New York City in a number of performances and immersing himself once again in Dallas's vibrant cultural scene. He strives to bring his knowledge, experience and love of movement-based art to the audiences of Dallas; to provide a different importance for viewing performing arts.