In my humble opinion (conducting 600+ interviews)
Startups are heaven when you have:
European Designer, Indian Engineer, Los Angeles Marketer, San Francisco User Experience (UX), Silicon Valley Investor, New York Biz Dev, Israeli Operations and a Founder who has lived and travelled to all the above places!
Startups are hell when you have:
European Marketer, Indian Designer, New York Investor, Los Angeles Engineer, San Francisco Operations, Israeli UX and Founder without a passport.
Its just the nature!