Brennan Spellacy in

Brennan Spellacy

Login to view DISC.
Co-founder & CEO at Patch
📍 San Francisco, California, United States

Brennan Spellacy is the Co-founder and CEO of Patch, a platform designed to scale global climate action. Leveraging his engineering degree from McGill University and previous product experience at Sonder, he is focused on building technology to unify the carbon credit market.

His professional mission appears deeply personal, centered on rebalancing the planet by making climate action accessible to businesses. He frequently engages with and builds community among the worlds leading corporate sustainability leaders to drive collective impact.

The idea for Patch was born from his firsthand experience with the complexities of carbon offsetting at his previous company.

Read the full overview →
Experience
9 Years
Current Role
Co-founder & CEO
Job Level
Leadership
Location
San Francisco, California, United States
Personality Overview

How Brennan shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

Login to view personality overview.
Priorities

Topics Brennan cares about

Scaling Climate Action
As the co-founder of Patch, his primary professional focus is building infrastructure to accelerate global investment into climate solutions and carbon removal.
Carbon Marketplaces
He frequently discusses centralizing the fragmented Voluntary Carbon Market (VCM) to improve transparency, trust, and access for businesses buying carbon credits.
+4 more topics Login to view topics
Career

Work history

2020
Co-founder & CEO
Patch
2018 - 2020
Product
Sonder Inc.
2016 - 2018
Engineering
Sonder Inc.
In the press

Media appearances

Brennan Spellacy, Co-Founder & CEO, Patch. Featured in Apple Podcasts
See now
#349: Brennan Spellacy of Patch – Just Go Grind. Featured in Just Go Grind (Apple Podcasts)
+9 more appearances Login to view media
Education
Bachelor of Engineering (B.Eng.)
McGill University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

Login to view DISC.

More profiles

Discover additional public profiles from our index.

Unlock the full playbookSee exactly how to sell to Brennan. Free, 10 seconds.