John G. "Jay" Grdina[1] (born October 11, 1967) is an American businessman and former pornographic actor. His family originates from Croatia.[2] He is often credited under the stage name Justin Sterling.[3]
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.[4] 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.[6]
Grdina met Jenna Jameson, already a famous porn star, in 1998.[3] They married in a Roman Catholic-style ceremony on June 22, 2003.[7] The couple resided in Scottsdale, Arizona, in a 6,700-square-foot (620 m2) Spanish-style mansion purchased for $2 million in 2002. They later moved to Paradise Valley in a 10,000 sq ft (930 m2) home for $4.5 million.[7]
In 2000, Grdina co-founded ClubJenna, first as an Internet pornography company then as a multimedia adult entertainment business.[3][7] On June 22, 2006, Playboy Enterprises announced the acquisition of Club Jenna and related companies in conjunction with personal service agreements by both Jameson and Grdina.[8]
Grdina produced, directed, and wrote several Club Jenna films including Briana Loves Jenna, The Masseuse, I Dream of Jenna, and Krystal Method. Grdina also acted in some of these films, as the only man that Jameson would have intercourse with on screen.[3]
In 2006, Grdina was a judge in the second season of Playboy TV's Jenna's American Sex Star, where prospective porn stars compete in sexual performances for a contract with Club Jenna.
In June 2010, Grdina started the celebrity gossip website, Kikster.com.[9] As of May 2013, there is no Kikster.com.
In December 2010, Grdina was named CEO of NOHO, a hangover prevention beverage.[10]
On June 20, 2011, NOHO and Grdina were the subject of a feature for CNBC, detailing the creation of an emerging brand.[11]
^Dnevno.hrArchived November 12, 2013, at the Wayback Machine Ratko Martinović: Loš PR u dijaspori – Koje su svjetski poznate osobe podrijetlom Hrvati, a da to niste ni znali, 28. listopada 2012. (Croatian)