Fundraising Fox

Alex Hartz

Investor

Partner at Shine Capital

San Francisco, California

Writes $1M – $10M checks · typically $5M

About

Alex Hartz combines Caltech-trained applied physics and hands-on photonics research with eight years of venture experience building embedded lending and credit infrastructure expertise—ideal for founders of technically complex financial products.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

Alex Hartz @aehartz123

Congratulations to @AntaresNuclear on raising their $470M Series C! We at @shinecapital are thrilled to triple down with @jordanbramble and team as they prepare to deliver electricity to government and commercial partners. https://t.co/75s5BX3wLb

Jul 27, 2026 · ♥ 40 · ⇄ 5

Alex Hartz @aehartz123

This is the core roadmap for @AntaresNuclear as well. First, build and deploy mission-critical systems for the underserved Strategic Energy and Space markets. Then, scale up to serve the broader industrial and grid opportunities. https://t.co/kS4646W97V

Jun 8, 2026 · ♥ 19 · ⇄ 5

Alex Hartz @aehartz123

Congratulations to the entire @AntaresNuclear team on becoming the first company in over fifty years to achieve criticality with an advanced reactor! This milestone is a testament to their heads-down focus on delivering solutions for their customers. Criticality is a key step https://t.co/xTP2OvqZFR

Jun 4, 2026 · ♥ 14 · ⇄ 3

Invests in

AI & Machine LearningCrypto & Web3Enterprise SoftwareFintechSaaS

Experience

  1. Shine CapitalGeneral Partnercurrent2024 — presentSan Francisco, California, United States
  2. Shine CapitalPartner2023 — 2024San Francisco, California, United States
  3. SciFi VCPartner2018 — 2023San Francisco, California
  4. SciFi VCAssociate2017 — 2018San Francisco Bay Area
  5. HVF LabsAnalyst2015 — 2016San Francisco Bay Area
  6. Glow, IncStrategist2015 — 2016San Francisco Bay Area
  7. HVF LabsSummer Analyst2014San Francisco Bay Area
  8. CaltechSummer Undergraduate Research Fellow2013Pasadena, CA
  9. Vision TechnologiesSoftware Engineering Intern2011 — 2012Glen Burnie, MD
  10. Johns Hopkins Bloomberg School of Public HealthComputational Genetics Research Intern2010Baltimore, Maryland Area

Education

  1. CaltechBachelor of Science (BS), Applied Physics2011 — 2015
  2. McDonogh School2007 — 2011

Same school

Also attended Caltech84

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

+ 78 more

Shared employers

Also worked at SciFi VC6

Max LevchinInvestor at SciFi VCNellie LevchinInvestor at SciFi VCEric ScottAdvisor at 8VCBrooks HosfieldPartner at SciFi VCAndrew HanAssociate at SciFi VCMatt TherianPartner at SciFi VC

Also worked at HVF Labs3

Max LevchinInvestor at SciFi VCEric ScottAdvisor at 8VCSu Fen GohInvestor at Flourish Ventures

Also worked at Glow, Inc3

Max LevchinInvestor at SciFi VCNellie LevchinInvestor at SciFi VCEric ScottAdvisor at 8VC

Also worked at Caltech31

Haomiao HuangFounding Partner at Matter Venture PartnersConnor CooleyVenture Partner at Electric Feel Ventures LlcIlya FushmanPartner at KPCBMich Mathews-SpradlinVenture Partner at Griffin Gaming PartnersJosh PalmerPrincipal, Physical Sciences Investments at Kairos Venture Investments, LlcEvangelos SimoudisFounder and Managing Director at Synapse Partners

+ 25 more

Colleagues at Shine Capital

Adam Hanft
Operating Partner at Shine Capital
Amanda Niu
General Partner and CFO at Shine Capital
Arinjay Singhai
Investor at Shine Capital
Arthur Matuszewski
Venture Partner at Shine Capital
Carl Tremblay
Operating Partner at Shine Capital
Elie Seidman
Venture Partner at Shine Capital
Emma Sokoloff
Partner at Shine Capital
Ethan Daly
General Partner at Shine Capital

Network10

Bradley HorowitzScout
Investor at Wisdom Ventures
Charlie SonghurstScout
Sr. Venture Partner at Acequia Capital (AceCap)
Jack AltmanScout
General Partner at Benchmark
Max LevchinScout
Investor at SciFi VC
Olivia ZhangScout
Partner at Shine Capital
Amanda Niu
General Partner and CFO at Shine Capital
Arthur Matuszewski
Venture Partner at Shine Capital
Carl Tremblay
Operating Partner at Shine Capital
Emma Sokoloff
Partner at Shine Capital
Ethan Daly
General Partner at Shine Capital

Investors connected to Alex in public investor directories — a warm-intro map.