Miela Mayer

Climate Tech Investing@Third Sphere | Photographer | Ex-BNEF & Environmental Engineering @Yale | Into making things cooler

San Francisco Bay Area

Third Sphere

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About

mielamayer.github.io

Experience

Investor + Operating PartnerThird Sphere
Aug 2025

Venture PartnerThird Sphere
Jun 2024

Investing in pre-seed/seed stage climate hardware for mitigation, resilience, and adaptation — with a soft spot for near-future sci-fi that doesn't rely heavily on regulations, altruism, or 10+ years of science risk.

Climate Credit Platform Founding MemberThird Sphere
Feb 2023

Flexible Credit & Equity Alternatives for Climate Hardware Solutions

Climate Tech VC FellowThird Sphere
May 2022 to Mar 2023

Earliest stage climate impact solutions (fka Urban Us) - Ranked #1 early-stage climate fund in North America

Associate ConsultantBain & Company
Oct 2019 to May 2022

Investment Analyst - Carbon Offsets ProjectYale Investments Office
Sep 2018 to May 2019

Clean Energy Investment & Portfolio Management Summer AnalystNY Green Bank
Jun 2018 to Aug 2018

Bloomberg New Energy Finance (BNEF) Analyst - Renewable EnergyBloombergNEF
Sep 2017 to May 2018

Summer Analyst - Renewable Energy BloombergNEF
Jun 2017 to Aug 2017

Agriculture project managerYale west campus farm
Nov 2015 to Sep 2017

Paleoclimate Research InternYale Geology & Geophysics Department
Jun 2016 to Sep 2016

Carbonate clumped isotope analysis in Planktonic Foraminifera

Education

Yale University
Environmental Engineering, Energy Studies Program, Yale Climate and Energy Institute
Jan 2015 to Jan 2018

High Mountain Institute
Semester School for Outdoor Leadership, Leadville, CO
Jan 2013 to Jan 2013

Skills

Financial ModelingData Analysis