A Google exec who's only in the office from 9 to 5:30 shares the routine that keeps him from becoming a workaholic

For Google's SVP of platforms and ecosystems Hiroshi Lockheimer, work and free time tend to blend a bit.

He usually ends up spending at least part of his evening working on projects.

"It's not something that's easy for me to compartmentalize," he told Business Insider.

Still, Lockheimer achieves balance by making time for activities that are important to him, like taking his kids to school and exercising, as well as sticking to a standard 9 a.m. to 5:30 p.m. workday.

"I fully recognize that there's no single formula and everyone is different and everyone has a different threshold," Lockheimer said. "For me, though, the underlying point in all this is I'm really passionate about what I'm doing so it comes a little bit naturally for me."

Here's a look inside his busy schedule: