Fundraising Fox

Lucas Pabarcius

Founder

Founder / CEO at Atum Works

United States

FoundedAtum Works · YC

30 Under 30 2026 · Science

About

Founder and CEO of Atum Works, which develops scalable 3D lithography technology for printing metal structures with submicron resolution in advanced manufacturing.

LinkedIn ↗

Founder / CEO at Atum WorksYC X25

Intro paths

YC

Lucas went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Garry Tan, President & CEO of Y Combinator — the partner who ran Atum Works's batch and knows the company first-hand. YC profile ↗

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In turn, Lucas can intro founders to Atum Works's investors below.

Atum Works's investors · 4

Hummingbird VenturesOceans VenturesTranspose Platform ManagementY Combinator

Co-founders at Atum Works

MKMatteo Kimura
Matteo KimuraFounder
MTMalcolm Tisdale
Malcolm TisdaleFounder

Experience

  1. Atum WorksCo-Founder + CEOcurrent2024 — present
  2. CaltechDavid L Goodstein SURF Fellow2023Pasadena, California, United States
  3. CaltechTeam Lead: NASA Extreme Terrain Mobility Challenge2021 — 2023
  4. Caltech Space Challenge 2022Team Lead2022
  5. NASA Goddard Space Flight CenterNASA Pathways (Civil Servant) - Optics2021
  6. CaltechStaff Scientist Assistant - Greer Group2020 — 2021
  7. CaltechKavli Nanoscience Institute SURF-the-WAVE Fellow - Greer Group2020
  8. NASA Goddard Space Flight CenterNASA Pathways (Civil Servant) - Attitude Control Systems2020
  9. NASA Goddard Space Flight CenterNASA Intern - Propulsion2020
  10. Self-employedIndependent Hybrid Rocket Research2017 — 2019

Education

  1. CaltechBS, Physics2021 — 2024
  2. Stanford UniversityMS, EE2024
  3. Wesleyan UniversityPhysics, Sculpture2018 — 2019

Same school

Also attended Caltech96

Shaun MaguirePartner at Sequoia CapitalScott BillerInvestor at GV (Google Ventures)Seth LieblichInvestment Team at 8VCMarkus EnzelbergerPartner at Versant VenturesWen HsiehFounding Managing Partner at Matter Venture PartnersHaomiao HuangFounding Partner at Matter Venture Partners

+ 90 more

Also attended Stanford University1,730

Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital

+ 1,724 more

Also attended Wesleyan University52

Jennifer ZimmermanMarketing & Communications at General CatalystDaniel LynchInvestor at GV (Google Ventures)David SchenkeinInvestor at GV (Google Ventures)Andy WeissmanPartner at Union Square Ventures (USV)Brad BurnhamPartner at Union Square Ventures (USV)Kristen LaguerreExecutive Partner at MPM BioImpact

+ 46 more

Shared employers

Also worked at Atum Works1

Malcolm TisdaleFounder at Atum Works

Also worked at Caltech42

Haomiao HuangFounding Partner at Matter Venture PartnersConnor CooleyVenture Partner at Electric Feel Ventures LlcHelen McBrideOperating Partner at BOLD LongevityAlex HartzGeneral Partner at Shine CapitalIlya FushmanPartner at KPCBMich Mathews-SpradlinVenture Partner at Griffin Gaming Partners

+ 36 more

Also worked at NASA Goddard Space Flight Center14

Nona Minnifield CheeksVice Chair at Maryland TEDCOLinda CuretonBoard Member at Maryland TEDCOTaylor SargentPartner at Industrious VenturesRasheed AugusteSenior Analyst at Playground GlobalNeil ParikhConsumer Retail at Torch CapitalKareem DabbaghManaging Partner at VoLo Earth Ventures

+ 8 more