I think lobbying for particular high-impact, neglected issues is likely to be a better path. Or else try to educate the general population and hope that politicians will follow... game theory suggests that politicians who optimize more for common opinions win more often.
I just saw that Donald Trump is running for president. Which led me to the following thought: would any of the big names in tech have a chance at being elected president of the US? Elon Musk? Sergey Brin? Jeff Bezos? Reid Hoffman? Peter Thiel? Edit: Bill Gates?
Some follow up questions/thoughts:
Edit: hypothetically, if one of these big-name tech people were to try to gain political power, how should they go about doing so?