DOSSIER · UPDATED 18 NOV 2025

15Five

15Five software elevates the performance and engagement of employees by continuously asking questions and starting the right conversations.

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Founded
2011
Headcount
258
Open roles
1
Last raised
Series C · $52M
SECTION I · THE BRIEF

Inside 15Five

Brief #08102Updated 18 NOV 2025SAN FRANCISCOSAN FRANCISCOSERIES C
Employbl Dossier

15Five

15Five software elevates the performance and engagement of employees by continuously asking questions and starting the right conversations.

Founded
2011
Headcount
258
Open roles
1
Last raised
Series C · $52M
Section II · Premium ProfileMembers only
  • 01Engineering interview process at 15FiveLocked
  • 02Tech stack & infrastructure choicesLocked
  • 03Culture & day-to-day work styleLocked
  • 04Why join now vs. 6 months from nowLocked
  • 05Hiring focus & open headcount by teamLocked
  • 06Comp philosophy and band contextLocked
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LEADERSHIP

Founders & key people

David Hassell

David Hassell

CEO at 15Five

15FiveStrategy DayKite AdventuresEntrepreneurs' OrganizationEndaiAmerican Management Systems (AMS)Tufts UniversitySt Peter's Prep School
Nazar Ivaniv

Nazar Ivaniv

CTO at 15Five

15FiveGeowashEndaiFairfield University
OPEN ROLES

Hiring at 15Five

FUNDING

Capital raised

Total Amount Raised: $94,100,000

15Five's Investors

15Five Funding Rounds

  • Series C

    $52,000,000

  • Series C

    $52,000,000

    Series C Investors

    Quad Partners
    Point Nine
    New Ground Ventures
    Origin Ventures
    Next47
    Edison Partners
    Matrix
    LAUNCH

  • Series B

    $30,700,000

  • Series B

    $30,700,000

    Series B Investors

    Next47
    Origin Ventures
    Bling Capital
    Chaifetz Group
    New Ground Ventures
    Matrix
    Point Nine
    LAUNCH

  • Series A

    $8,200,000

  • Series A

    $8,200,000

    Series A Investors

    Origin Ventures
    LAUNCH
    Matrix
    Chaifetz Group
    New Ground Ventures
    Kurt Bilafer
    The Syndicate.com
    Nelstone Ventures

  • Seed

    $2,200,000

  • Seed

    $2,200,000

    Seed Investors

    Matrix
    Point Nine
    Slow Ventures

  • Seed

    $1,000,000

  • Seed

    $1,000,000

    Seed Investors

    500 Startups
    John Ham
    David Sacks
    Jason Calacanis
    DominateFund
    Matt Brezina
    Benjamin Ling
    JumpStart Ventures
    Richmond Management
    William Guttman
    Clark Landry
Funding info provided by Diffbot.
TAGS

Categorized in

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15Five's Investors

15Five's Industries

15Five's Tech Stack

LOCATIONS

Where they work

15Five Headquarters Location

3053 Fillmore Street Suite 279, San Francisco, CA, 94123-4009

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