Complex sentence: Trippi began to serve as a corporate consultant in Silicon Valley to firms involved in e-commerce, online communities, and the open source movement, straddling the two worlds of politics and technology for many years.
Split into simpler sentences: Trippi began to serve as a corporate consultant in Silicon Valley to firms involved in ecommerce, online communities and the open source movement. Trippi straddled the two worlds of politics and technology for many years.