Fundraising Fox

Marcus Lima

Founder

Co-Founder & CEO at Torus · Founder & CEO at Heimdal

San Francisco, California, United States

FoundedHeimdal · YCTorus · YC

30 Under 30 2024 · Energy

About

Marcus Lima is co-founder and CEO of Torus, which develops engineering tools for capital project firms. He previously founded Heimdal, a direct air carbon capture technology company, and holds degrees from Oxford and Cambridge.

Co-Founder & CEO at TorusYC S26

Intro paths

YC

Marcus went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer — the partner who ran Torus's batch and knows the company first-hand. YC profile ↗

→

In turn, Marcus can intro founders to Torus's investors below.

Torus's investors · 3

MagnetarEvanstonMagnetar AI VenturesEvanston · since 2025Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Torus

RTRahul Thayil
Rahul ThayilCo-Founder & CTO

Founder & CEO at HeimdalYC S21

Intro paths

YC

Marcus went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer — the partner who ran Heimdal's batch and knows the company first-hand. YC profile ↗

→

In turn, Marcus can intro founders to Heimdal's investors below.

Heimdal's investors · 8

Brighter CapitalCupertino · $25K – $100K checks · since 2021Broom VenturesSan Francisco · since 2021Cathexis VenturesHouston · $250K – $1M checks · since 2021Cool Climate CollectiveSacramento · $100K – $350K checks · since 2021Lombardstreet VenturesWoodside · $500K checks · since 2021MetaplanetTallinn · $500K – $10M checks · since 2021VoLo Earth VenturesSnowmass Village · $2M checks · since 2021Y CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Heimdal

EMErik Millar
Erik MillarFounder

Experience

  1. Torus (YC S26)Co-Founder & CEOcurrent2026 — presentSan Francisco, California, United States
  2. HeimdalFounder & CEO2020 — 2025Denver, Colorado, United States
  3. QVARTZManagement Consultant2018 — 2019Oslo Area, Norway
  4. Centre for Theoretical and Computational Chemistry, University of OsloUndergraduate Researcher2016 — 2017

Skills & more

Languages Chinese (Simplified) · English · Norwegian

From Marcus's professional profile.

Frequently asked questions

Who is Marcus Lima?
Marcus Lima is co-founder and CEO of Torus, which develops engineering tools for capital project firms. He previously founded Heimdal, a direct air carbon capture technology company, and holds degrees from Oxford and Cambridge.
Where does Marcus Lima work?
Marcus Lima is Founder & CEO of Heimdal and Co-Founder & CEO at Torus.
What companies did Marcus Lima found?
Marcus Lima founded Heimdal, Torus.
Where did Marcus Lima go to school?
Marcus Lima studied at University of Oxford (Master of Science - MSc, Energy Systems); University of Cambridge (Bachelor of Science - BS, Natural Sciences (Chemistry)); Y Combinator (Heimdal (S21) & Torus (S26)).

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Shared employers

Also worked at Torus (YC S26)1

Rahul ThayilCo-Founder & CTO at Torus

Also worked at Heimdal1

Erik MillarFounder at Heimdal

Also worked at QVARTZ10

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