Bob Borchers, who led Apple’s marketing efforts for the iPod and then the iPhone over the past five years (and even appeared in iPhone videos), recently made the leap to venture capital, becoming a general partner at Opus Capital. Yesterday, I had a chance to talk to Borchers and hear more about the startups he wants to invest in. Of course, I had to ask him about the move to Opus, since the shift from being a marketing director to VC isn’t that intuitive. But Borchers didn’t share any juicy stories about an acrimonious split — instead, he said that after helping to build an ecosystem of products around the iPod, then seeing an ecosystem of applications and developers start to explode around the iPhone, he was so excited about the opportunities in mobile that he wanted to start investing. Full story...