Charles Howard

S

Co-founder & CTO at Hollow Labs · Climate analytics

Hollow Labs
Los Angeles, CA · PT (UTC-8)
12+ years experience
University of Illinois Urbana-Champaign
English
Hiring
Messaging unavailable

Overview

Co-founder & CTO of Hollow Labs, working on climate analytics. Previously built and sold a small climate analytics company. Raised $12 million across 2 rounds. Most at home with enterprise sales and data.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Working sessions on carbon accounting
  • Second opinions on enterprise sales decisions
  • Early customers and design partners
Please don't message about
  • SEO and link-building offers
  • Crypto token projects

Slower in the last week of each quarter

Skills
carbon accountingclimate techenterprise salesdata
HiringHiring for a role
closes in 3 months

Looking for account executives to join Hollow Labs early - climate analytics

Role
Account executive
Level
Senior
Type
Contract
Work mode
Hybrid
Compensation
$152k-$195k
Team
Founding team, 5 people
Start
Within a month
Must have
A record of closing B2B deals Experience selling to the buyers we sell to Ownership of something end to end
Process
Two interviews and a paid trial day

Comp $178k-$318k. Four conversations, no take-home. Message me with one thing you shipped that you're proud of.

Los Angeles, CAclimate techenterprise salescarbon accounting
Open

Experience

  1. Co-founder & CTO
    Jun 2025 - Present
    Hollow Labs · 1 yr 4 mo · Full-time · Los Angeles, CA
    • Signed 234 paying customers, 23 of them enterprises.
    • Took Hollow Labs from zero to $9 million ARR.
  2. Staff Software Engineer
    Oct 2023 - Jun 2025
    Oracle · 1 yr 8 mo · Full-time · Los Angeles, CA
    • Reduced cloud spend on web by 26% in two quarters.
    • Built the experimentation framework 9 product teams use to ship changes safely.
  3. Platform Engineer
    Dec 2019 - Jul 2023
    IBM · 3 yr 7 mo · Full-time · Los Angeles, CA
    • Took crash-free sessions from 97.2% to 99.8%.
    • Brought on-call pages for iOS down from 17 a week to 3.
  4. Senior Engineering Manager
    Sep 2017 - Dec 2019
    Netflix · 2 yr 3 mo · Full-time · Los Angeles, CA
    • Reduced cloud spend on firmware by 38% in two quarters.
  5. Senior Backend Engineer
    Jul 2014 - Sep 2017
    Airbnb · 3 yr 2 mo · Full-time · Los Angeles, CA
    • Wrote the enterprise sales service that now handles 77 million requests a day.
    • Brought on-call pages for growth down from 34 a week to 1.

Projects

Conference talk: lessons from company
2023

What went wrong and what worked while scaling climate analytics.

References

No references yet.

Education

  1. University of Illinois Urbana-Champaign
    BS, Economics
    2008 - 2012

Details

Compensation expectations
What they are targeting for their next role.
Visible to connections
Direct contact details
Direct email and a scheduling link.
Visible to connections