Sean O’Sullivan

SOSV founder says climate investing is a ‘war effort’ as firm closes $306M fund

SOSV’s new fund makes it one of the largest pools of deep tech venture capital to be raised in recent years.

The enormous challenges and abundant opportunities in climate tech

The decarbonization of the planet will be the next major disruption of the century, according to SOSV managing general partner Sean O'Sullivan and Carmichael Roberts of Breakthrough Energy Ventures.

Carmichael Roberts, Sean O’Sullivan will share insights into climate tech and investing at Disrupt

The effects of a warming planet, from frequent and extreme flooding to hurricanes and drought, has prompted activists and governments to take action. It’s also spurred a growing number of entreprene

SOSV, the global venture firm, just closed a $100 million fund to back its maturing startups

SOSV’s burgeoning climate portfolio is worth nearly $6 billion as planetary health bets pay off

The burgeoning climate-focused portfolio from early-stage investor SOSV Investments has managed to raise nearly $2 billion in follow-on financing since the startup companies graduated from the investm

The venture firm SOSV has hired former TechCrunch COO Ned Desmond to help grow its startups

Ned Desmond, a longtime publishing executive who spent more than half a dozen years at Time Inc. before becoming the chief operating officer of both TechCrunch and Engadget for more than eight years,

Mushroom leather, tiny Zika detectors and lab-made breast milk debut at IndieBio’s third demo day

The accelerator’s demo day has grown so big we’re now live streaming it on TechCrunch. But it was just a couple years ago that the only pure biotech accelerator launched out of SOS Venture

Meet the 8th class of hardware startups from HAX

An accelerator called HAX held its 8th Demo Day for hardware startups in San Francisco yesterday. Best known for bringing companies in its portfolio to Shenzhen, China for about 15 weeks to get to kno