About Me


Here’s a link to my “official” VC bio on the Canaan Partners website.  Here’s a project I’m working on: SkillSlate, which connects people with local, individual service providers.

VCs Do It With Entrepreneurs

VCs Do It With Entrepreneurs

I’m passionate about technology, entrepreneurship and startup  investing and I strongly believe that all three are fundamental to the growth and advancement of society.  I was born in Poland and moved to NJ with my family when I was three years old.  I went to a decent public high school and then got introduced to Manhattan while I was at Columbia studying economics.  It is there that I found my two true loves – NYC and startups.

While I was preparing for a career in investment banking during my senior year, I realized there were few reliable online sources that I could use to help me prepare my for my job interviews. After landing a job at an investment bank (back when the economy was good),  I spent the last 6 month at Columbia working on InterviewPoint, which for a time became the largest sources of real interview questions online.

Shortly after graduating, I joined investment bank DrKW and focused on Industrials M&A (industrials is kinda like technology, right?).  After a year, I realized that I needed the real-deal so I packed my stuff and joined UBS in their Technology Group in San Francisco.  I spent the next year learning excel and familiarizing myself with the startup / technology culture.

When I had finished my two years as an analyst, I knew I wanted to do two things:  Live in NYC again and work in Venture Capital (ironically, I lived in the Bay Area while I worked in banking).  I was fortunate to secure an Analyst position at Canaan Partners.  Since joining Canaan in 2007, I’ve focused on identifying and diligencing early stage technology investments in the digital media, eCommerce and advertising space.

In my years as an analyst, I’ve learned that many entrepreneurs don’t know enough about startup modeling – which is why I started this blog.

I’m also working on a project called SkillSlate to help people find New York service providers.

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12 Responses

  1. Bartek – great blog!!! Makes the math easy. Really easy to follow. One suggestion that I might make is to freeze the cells in column A so when you scroll right we can still see which round you are talking about. Other than that, really good.
    BTW, Matthew sent me the link and I sent it to the SMU VC Practicum. They are out on summer right now but expect traffic to pick up soon.
    Will

  2. Great job Bartek! Such a good idea : )

  3. Bartek! Great to see you are keeping yourself busy — cool website! I’m taking entrepreneurial finance class this semester so will check back every once in a while to make sure I’m doing my homework right 🙂
    hope all else is well!

  4. I wish I could be as genius as you!

  5. Fixed it. Thanks!

  6. sweet website. i have some startup friends this’ll be really useful for. they’d love to see the anti-dilution calculations too. any plans to throw those in?

  7. Hi Bartek, I am an entrepreneur from San Diego CA. I came across your blog while doing research on starting up my company. I have never raised money from the sale of company stocks. The time has come to secure the dough needed to start up and startupmath.com does a fantastic job explaining the process. Thank you and keep it coming. U rock!

    RJakaDirtyDaddy

  8. Great info that you give. Makes Cap tables easy to understand. One question, though: doing it this way leaves fractional shares due to the math, so how do you issue shares rounded to the nearest whole and still be fair?

    • In practice, fractional shares aren’t an issue unless your company cares about who owns $1 of stock. Those issues get resolved in the legal docs (and they use a rounding function).

  9. The spreadsheets you show have been set up so that the only inputs are pre-money valuation, founders shares and options pool. Do you have a more flexible version that allows for other variations? For instance, is it possible to remove shares from founders pool and reallocate to investors and options pool? What would that look like?

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