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Eric Koester
American professor and entrepreneur
Eric Koester is an accomplished entrepreneur, educator, and investor with extensive experience in the technology and startup sectors. Here are some key details about his background and career:
Professional Experience
Eric Koester co-founded Zaarly, Inc. in 2011 and served as its Chief Operating Officer from 2011 to 2012.1 Zaarly was an online platform that connected buyers and sellers for local services and goods.1 However, Koester departed from Zaarly in 2013 as the company shifted its business model.5
After leaving Zaarly, Koester co-founded Main Street Genome in 2013, which was later acquired in 2015.2 He also served as a Managing Director at NextGen Venture Partners, an early-stage venture capital firm.12
Current Roles
Currently, Eric Koester is:
- A professor of Entrepreneurship and Innovation at Georgetown University, where he has been teaching since 201324
- Founder of Manuscripts, a private education provider that offers author and creator support programs23
- A partner at NextGen Venture Partners3
Education and Achievements
Koester holds a BS in Finance & Marketing from Marquette University and a Juris Doctor from George Washington University Law School.2 Some of his notable achievements include:
- Named to the Forbes Next Top 1000 entrepreneurs in 20212
- Recognized as one of the 40 under 40 for Washington DC in 20122
- Awarded the USASBE 2020 Entrepreneurship Educator of the Year2
- Honored with Georgetown's entrepreneurship professor of the year award twice2
Author and Educator
As an educator, Koester has developed innovative programs like the Book Creators community, which has helped over 1,500 first-time writers publish their books.2 His entrepreneurship course at Georgetown was named 2018's Most Innovative by USASBE.2
Eric Koester is also an author, having co-written "Super Mentors: The Ordinary Person's Guide to Asking Extraordinary People for Help" with Adam Saven.3
Highlights
I used to think it meant working on all the important things.
Prioritizing well. Managing multiple efforts.
But that’s not focus.
That’s concentration.
A mentor once asked me a question that changed how I think about it:
What is the single biggest action you can take today that would create the biggest result?
Just one.
That’s focus.
Not five priorities. Not a long list.
One meaningful move.
Everything else is just dividing your attention.
So now, when I feel pulled in different directions, I come back to that question.
What’s the one thing that actually matters right now?

Focus isn’t doing more important things.
It’s choosing one.
The single action that creates the biggest result.
Everything else is just split attention.

