[bartozone]

Did you put any kind of NDA in place before sharing confidential information? If so, you can politely remind him that it's appropriate to destroy the data. If not ... well, he sounds like a dick.

I understand not wanting to out this investor too, the truth is, he is more powerful than you and it sucks. The best advice is take it as a lesson, and focus on your startup. You know not to do business with him, and later when he wants in on one of your oversubscribed funding rounds, you can politely point him to earlier conversations when he was not interested. :)

Don't make this into something more than it is. This will not break your business, but making it a big deal when you don't have the power/resources to do so could.

[ohwhataweb]

>Don't make this into something more than it is. This will not break your business, but making it a big deal when you don't have the power/resources to do so could.

This is correct. I totally forgot about them until one of our customer pointed out an email they received from the other startup and wanted to know if we shared our customer's contact with third parties.

It's impossible for us know what's the correct answer here. We have to share customer information for due diligence but does that mean investors are third parties? What if the investor uses this info for their startups?

> on one of your oversubscribed funding rounds

We are not in the silicon valley or even in North America.

[ganeshkrishnan]

NDA is a mood killer. And it would have done nothing in this scenario. Not sure if OP required a NDA but most VC wouldn't progress after asking for NDA