Brook Byers

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Managing Member at Kleiner PerkinsListed on SEC Form ADVMenlo Park, United States
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Cold

Check Size

Not yet known

Reliability Score

🎯75% of deals in Healthcare

Investment Timeline

Octave Bioscience
Board seat (SEC Form D)Source
Since Sep 2017
Company last raised Mar 2025
Cell Design Labs
Board seat (SEC Form D)Source
Since Jun 2016
Company last raised Jun 2016
Zephyr Health
Board seat (SEC Form D)Source
Since Aug 2015
Company last raised Aug 2015
Enjoy Technology
Board seat (SEC Form D)Source
Since Oct 2014
Company last raised May 2019

Portfolio Breakdown

By Sector

Healthcare3 deals · 75%
Other Technology1 deal · 25%

By Stage

4 tracked deals2 sectors · 0 stages

Deal Velocity

Avg Deals / Year
1.0
Avg Deal Size
Unknown
Largest Deal
Octave Bioscience
Unknown
YoY Trend
Steady

Deals Per Year

1
14
1
15
1
16
1
17
4 total deals tracked2014–2017

Investment Activity Map

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Oct
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2014
2015
2016
2017
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Current Fund Status

Fund Name
Kleiner Perkins Xxii, LLC
Reported Size
$995.0M

Co-Investors

No co-investment data available yet.

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