Wohar has spent extended periods of time in Pollone with members of the Frassati family, including Pier Giorgio's younger sister and biographer, Luciana. In 2006, Wohar founded FrassatiUSA, a nonprofit organization that works to promote the spirituality of Blessed Frassati.

She hosted a three-part series for EWTN, Sanctity Within Reach: Pier Giorgio Frassati, featuring an in-depth discussion with Wanda Gawronska, Niece of Blessed Pier Giorgio Frassati. She coedited the book Pier Giorgio Frassati: Letters to His Friends and Family and is the executive producer of Pier Giorgio Frassati: Get to Know Him.