Gibney's early life took root in Manhattan Beach, California, a picturesque coastal city, before she relocated to Webster, New York at a tender age, marking the beginning of her journey in the East Coast.
She went on to pursue her academic endeavors, graduating from Buffalo State College in New York, where she majored in theater, laying the groundwork for a future in the performing arts.
Gibney's thirst for knowledge and expertise led her to further her education at the prestigious Yale School of Drama, where she earned a Master of Fine Arts degree, solidifying her credentials in the field.
Following her academic pursuits, Gibney settled in New York, where she began to make a name for herself in the city's vibrant off-Broadway scene, appearing in several productions that showcased her talents.
After a stint of three years in Los Angeles, Gibney returned to her roots in New York, seeking to reignite her passion for theatre and reconnect with the artistic community that had nurtured her early growth.
It was in 1996 that Gibney's hard work and dedication finally paid off, as she secured a permanent place in Hollywood, marking a significant milestone in her career and paving the way for future success.