Raj Shekhar Singh
InvestorFounderCo-founder & General Partner at Z21 Ventures · Co-founder & General Partner at Z21
San Francisco, California, United States
Writes $500K – $1M checks
FoundedZ21
Find your path to Raj
1,346 people in our graph share verified history with Raj — schools, employers, funds. One of them is your warm intro.
About
Raj Shekhar Singh is a serial entrepreneur-turned-investor focused on the US–India technology corridor who combines operator-led experience with board and operating roles, positioning himself as entrepreneur, investor and builder.
Contact· self-published, not guessed
Invests in
AI & Machine LearningDeep TechEnterprise SoftwareHardwareHealthtechSaaS
Co-founder & General Partner at Z21
Intro paths
In turn, Raj can intro founders to Z21's investors below.
Z21's investors · 1
Co-founders at Z21



Experience
- LivSYTBoard Membercurrent2025 — presentSan Francisco Bay Area
- ZimeBoard Membercurrent2024 — presentSan Francisco Bay Area
- HEN NozzlesBoard Observercurrent2024 — presentSan Francisco Bay Area
- Z21 VenturesFounder and General Partnercurrent2022 — presentSan Francisco Bay Area
- International Battery CompanyCo-Founder and CRO2022 — 2024San Francisco Bay Area
- Hen NozzlesAdvisory Board Member2022 — 2024
- Humbi HealthAdvisory Board Member2022 — 2024
- OpsLyftSeed Investor and Advisory Board Member2020 — 2024
- Explorex (Explorex Technologies, Inc)Seed Investor and Advisory Board Member2019 — 2024
- Hyperspec AICo-Founder & Chief Operating Officer2022San Francisco Bay Area
- Hyperspec AISeed Investor2019 — 2022San Francisco Bay Area
- InnovaccerSenior Vice President - Head of Product2018 — 2022San Francisco Bay Area
- InnovaccerVice President Customer Success and Delivery2017 — 2018San Francisco Bay Area
- McKinsey & CompanyEngagement Manager2016 — 2017San Francisco Bay Area
- McKinsey & CompanyAssociate2014 — 2016San Francisco Bay Area
- InnovaccerAdvisor2012 — 2014Berkeley
- National University of SingaporeSummer Intern Reseacher2007Singapore
Skills & more
+12 more
Biochemical EngineeringMolecular BiologyEnergyMicrobiologyGroundwaterHydrologic ModelingData AssimilationModelingManagementStrategic PlanningMatlabCLanguages Bengali · Chinese · English · Hindi
- NSF I-Corps — National Science Foundation (NSF)
From Raj's professional profile.
Colleagues at Z21 Ventures
Frequently asked questions
- Who is Raj Shekhar Singh?
- Raj Shekhar Singh is a serial entrepreneur-turned-investor focused on the US–India technology corridor who combines operator-led experience with board and operating roles, positioning himself as entrepreneur, investor and builder.
- Where does Raj Shekhar Singh work?
- Raj Shekhar Singh is Co-founder & General Partner of Z21 and Co-founder & General Partner at Z21 Ventures.
- What does Raj Shekhar Singh invest in?
- Raj Shekhar Singh invests in AI & Machine Learning, Deep Tech, Enterprise Software, Hardware, Healthtech, SaaS.
- What check size does Raj Shekhar Singh write?
- Raj Shekhar Singh typically writes checks of $500K – $1M.
- What companies did Raj Shekhar Singh found?
- Raj Shekhar Singh founded Z21.
- Where did Raj Shekhar Singh go to school?
- Raj Shekhar Singh studied at University of California, Berkeley (Doctor of Philosophy (PhD)); Indian Institute of Technology, Kharagpur (Bachelor of Technology (BTech)); University of California, Berkeley, Haas School of Business (Management of Technology).
Founder mafias
Techstars mafia2,005
Also came through, then founded or led a company.
+ 1,998 more
McKinsey & Company mafia736
Also came through, then founded or led a company.
+ 729 more
University of California, Berkeley, Haas School of Business mafia265
Also came through, then founded or led a company.
+ 258 more
Indian Institute of Technology, Kharagpur mafia141
Also came through, then founded or led a company.
+ 134 more
Z21 Ventures mafia5
Also came through, then founded or led a company.
Same school
Also attended University of California, Berkeley2,000
+ 1,994 more
Also attended Indian Institute of Technology, Kharagpur243
+ 237 more
Also attended University of California, Berkeley, Haas School of Business982
+ 976 more
Shared employers
Also worked at HEN Nozzles2
Also worked at Explorex (Explorex Technologies, Inc)2
Also worked at Innovaccer24
+ 18 more
Also worked at McKinsey & Company2,000
+ 1,994 more
































































