California Institute of Technology.
He founded Gross National Product Loudspeakers (now Gross National Product Audio Video), an audio equipment manufacturer. Gross National Product Development Incorporated., acquired by Lotus Software. Knowledge Adventure, an educational software company, later acquired by Cendant.
And the business incubator Idealab in March, 1996, of which he serves as Chairman of the Board and Chief Executive Officer.
Gross serves on the boards of numerous companies. One company founded by Gross, GoTo.com, Incorporated., provided an Internet search engine which relied upon sponsored search results and pay-per-click advertisements.
GoTo.com was later renamed Overture Services Incorporated. and was then acquired by Yahoo! to provide their Yahoo! Search Marketing products. In 1996, Gross purchased the domain name answers.com, which was later sold to NetShepard and then to GuruNet.
In 2004, Gross created the SNAP search engine which introduced a new hyperlink previewer, Snap Shots.
In 2010, Gross founded and launched TweetUp, a search engine for Twitter that promotes the best tweeters on any topic. TweetUp was renamed to "PostUp" to reflect its inclusion of Facebook and LinkedIn status updates. On January 24, 2011, PostUp acquired popular Twitter client app UberTwitter—after previously purchasing Echofon (for iPhone/iOS) and Twidroyd (for Android Operating system)—and renamed itself UberMedia.
A Gross company is working on development of a rooftop concentrated photovoltaic solar collector for flat-roofed commercial buildings.
They completed the world"s largest corporate solar installation at Google"s headquarters in 2006. During 2010, Gross was the Chief Executive Officer of eSolar, a company that aims to make renewable energy cost-competitive with fossil fuel energy using Center for Security Policy technology. eSolar builds an individual 46 MW power unit on 200 acres and can scale up to 500 MW or larger capacity with multiple units.
The company has an order for a 100MW plant in India (in production) and a 500MW plant in China (forthcoming).
He is a member of the Board of Trustees of the California Institute of Technology and of the Art Center College of Design.