Jay Grdina

John G. "Jay" Grdina (born October 11, 1967) is an American businessman and former pornographic actor. His family originates from Croatia. He is often credited under the stage name Justin Sterling. Early life Grdina was born in Ohio to a wealthy cattle ranching family who immigrated from Karlovac, Croatia. He spent portions of his grade school years at Naples Christian Academy (NCH) in Naples, Florida, and his high school years at Gilmour Academy, a prep school in Gates Mills, Ohio. He attended the University of San Diego majoring in business and psychology. Career After graduating college, Grdina pursued a variety of careers and business ventures until 1992, when he began investing in adult films directed by Michael Ninn. From 1995 to 1999, he wrote and directed several pornographic films in Ninn's style, often under the name 'Michael Santangelo, Justin Fine and Justin Sterling. Grdina met Jenna Jameson, already a famous porn star, in 1998. They married in a Roman Catholic-style ceremony on June 22, 2003. The couple resided in Scottsdale, Arizona, in a Spanish-style mansion purchased for $2 million in 2002. They later moved to Paradise Valley in a home for $4.5 million.