Massachusetts

My Climate Journey Collective

My Climate Journey Collective backs climate and energy startups from Pre-Seed to Series B, writing $100k to $3M checks, mostly following others, and is based in Massachusetts.

Website LinkedIn X Portfolio Pitch page Team page

Entry stagePre-seed, Seed, Series A, Series B

Check size$100K to $3M

Leads roundsMostly follows

FocusClimate

Latest fundMCJ (2023)MCJ 2023 — $125M target (2023)

Investing team6 peopleNo activity since Sep

Who you would pitch at My Climate Journey Collective

6 people on the investing team, 5 of them partners who can make the call. Partners are listed first.

Cody SimmsManaging PartnerHe previously held leadership and investing roles at Techstars and various technology companies.

David AronoffChairman and Managing PartnerHe has experience in early-stage technology investing and held technical roles at Bell Labs and Chipcom.

Thai NguyenPartnerHe previously held roles in product management and business development at Intuit and Luxe.

Yin LuPartnerShe previously held leadership roles at Khan Academy, Coursera, Google, and Microsoft.

Jason JacobsPartnerHe previously served as the CEO of Runkeeper and the Global Head of Digital at ASICS Corporation.

Casey GoldsteinInvestments

Work here and something is wrong? Ask for a correction.

Writes $100K to $3M checks. Its smallest check is larger than 5% of firms in the atlas.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Before you pitch

How to reach them[email protected]

Notable investments

SPANBase PowerPacific FusionExowattAalo AtomicsCharge Robotics

In their words

MCJ: We back founders rewriting industries for the future.MCJ backs extraordinary founders driving the transition of energy and industry and solving the inevitable impacts of climate change.mcj.vc

Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

Send your deck

Firms like My Climate Journey Collective

The Engine$250K to $10M · active Sep 22

MCJ$100K to $250K

Mercury Fund$100K to $10M · active Oct 14

Autodesk Foundation$100K to $1M

Leap Forward Ventures$100K to $3M

Powerhouse Ventures$100K to $3M

On these lists

Seed climate investors in Massachusetts19 Pre-seed climate investors in Massachusetts14 Series A climate investors in Massachusetts13 Seed investors in United States2836 Series A investors in United States1790 Pre-seed investors in United States1561 Series B investors in United States563 Seed climate investors204

Questions

What stage does My Climate Journey Collective invest in?

My Climate Journey Collective reports entry at pre-seed, seed, series a, series b.

How much does My Climate Journey Collective invest?

My Climate Journey Collective reports checks of $100K to $3M.

Does My Climate Journey Collective lead rounds?

My Climate Journey Collective mostly follows other investors.

Who are the partners at My Climate Journey Collective?

Cody Simms (Managing Partner), David Aronoff (Chairman and Managing Partner), Thai Nguyen (Partner), Yin Lu (Partner), Jason Jacobs (Partner).

Is My Climate Journey Collective active right now?

No recent activity since September 2026.

Work at My Climate Journey Collective? Claim or correct this profile.