During his tenure at George Lucas' visual effects division, Industrial Light + Magic (ILM), Gersh worked on “Forrest Gump” and lighted the photorealistic Davy Jones character and his crew of computer-generated pirates in “Pirates of the Caribbean.” Prior to ILM, Gersh worked at Rhythm & Hues Studios in Hollywood, mastering software and computer-graphics production techniques and working on a variety of television spots, including the Coca-Cola polar bear campaign. In addition, Gersh's personal artwork has been exhibited at the Museum of American Illustration in New York City and at various art shows throughout San Francisco, and has been published in leading illustration annuals. He has created artwork for private, corporate and nonprofit clients.
Gersh teaches virtual reality, animation and digital visual effects to high school students at Marin School of the Arts. He also teaches at Academy of Art University, and he and his wife started a company, Enriching U, to inspire kids with afterschool programs and summer camps in a variety of digital and visual subjects. He resides in the San Francisco Bay Area with his wife and three sons.