Darnell Jefferson

S

Founder at Fern Security | ex-Accenture

Fern Security
San Diego, CA · PT (UTC-8)
13+ years experience
Duke University
English
Hiring
Messaging unavailable

Overview

Founder of Fern Security (climate analytics). 15 years of building before that. Signed 153 paying customers, 17 of them enterprises. Previously built and sold a small climate analytics company. Most at home with data and climate tech. I host a monthly meetup on climate analytics.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Speaking or podcast invitations
  • Thoughtful intros to people in my field
  • Second opinions on climate tech decisions
Please don't message about
  • Paid accelerator offers
  • Unpaid work or spec projects

Best reached early in the week

Skills
climate techenterprise salescarbon accountingdata
HiringHiring for a role
closes in 3 months

Fern Security is hiring 2 product designers in San Diego

Role
Product designer
Level
Senior
Type
Contract
Work mode
Remote within country
Compensation
$160k-$213k + equity
Team
Founding team, 10 people
Start
Within a month
Must have
A portfolio of shipped product work Comfort working directly with engineers Good judgment about what not to build
Process
Two interviews and a paid trial day

Comp $171k-$277k. One technical chat and a paid trial day. Message me with one thing you shipped that you're proud of.

San Diego, CAcarbon accountingenterprise salesdata
Open

Experience

  1. Founder
    Sep 2024 - Present
    Fern Security · 2 yr 1 mo · Full-time · San Diego, CA
    • Grew the team to 89 people across 4 countries.
    • Raised $28 million across 3 rounds.
    • Previously built and sold a small climate analytics company.
  2. Partnerships Manager
    Dec 2020 - May 2024
    Accenture · 3 yr 5 mo · Full-time · San Diego, CA
    • Shortened the enterprise sales cycle from 10 months to 3.
    • Opened 5 new logos over $1 million ACV in the region.
  3. Regional Sales Director
    Apr 2019 - Dec 2020
    Ford · 1 yr 8 mo · Full-time · San Diego, CA
    • Opened 6 new logos over $3 million ACV in the region.
  4. Regional Sales Director
    Jan 2017 - Apr 2019
    BlackRock · 2 yr 3 mo · Full-time · San Diego, CA
    • Closed 190% of quota two years running.
  5. Account Executive
    May 2013 - Jan 2017
    Adobe · 3 yr 8 mo · Contract · San Diego, CA
    • Shortened the enterprise sales cycle from 7 months to 5.

References

No references yet.

Education

  1. Duke University
    BS, Business Administration
    2007 - 2011

Details

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