berg has invested in more than 100 technology startups. he began by investing in companies that were tenants of his silicon valley office buildings, occasionally trading office space for company stock. berg's technology investments include the consulting firm international network services, which he bought from lucent technologies in 2002. he is a major investor in verifyme, inc. he is a major investor in valence technologies, owning 52% of the company and serving as chairman in 2011. he has also invested in summit semiconductor, and is on the board of directors of lynuxworks.