Fundraising Fox

Ernest Sim

Founder

Founder at Atlas Β· Founder at Grain

Singapore

FoundedAtlas Β· YCGrain

About

Ernest Sim is co-founder of Atlas and previously co-founded Grain, a Series B-backed online restaurant based in Singapore. He has focused on food and beverage technology ventures.

Founder at AtlasYC S21

Intro paths

YC

Ernest went through Y Combinator (Summer 2021) β€” any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer β€” the partner who ran Atlas's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Ernest can intro founders to Atlas's investors below.

Atlas's investors Β· 6

AccelPalo Alto Β· $1.6M – $70M checks Β· since 2026BlackRockNew York Β· since 2026LocalGlobeLondonNorthzoneLondon Β· $1M – $50M checksVillage GlobalCovina Β· $100K – $500K checksY CombinatorSan Francisco Β· $500K checks Β· since 2021

Co-founders at Atlas

YSYi Sung (Sung) Yong
Yi Sung (Sung) YongFounder
SLShawn Liam
Shawn LiamFounder
SRSurendhar Reddy β€Ž
Surendhar Reddy β€ŽFounder

Founder at Grain

Intro paths

β†’

In turn, Ernest can intro founders to Grain's investors below.

Grain's investors Β· 1

500 GlobalSan Francisco Β· $150K checks Β· since 2016

Experience

  1. AtlasCo-Founder, CTOcurrent2021 β€” presentSingapore
  2. GrainCo-Founder, CTOcurrent2013 β€” presentSingapore
  3. MethodDirector, Technology2013 β€” 2015Singapore
  4. ActatlysCo-Founder, CTO2011 β€” 2013Singapore
  5. FreelanceSoftware Developer2010 β€” 2013Singapore
  6. Singapore Armed Forces (SAF)Commando Medic2008 β€” 2010Singapore
  7. National Research Foundation (PMO)Admin Assistant / IT Support2008

Skills & more

Web Development26Software Development20jQuery13MySQL10Ruby on Rails9Web Applications8Programming10Start-ups9PHP5Photoshop6JavaScript8Advanced CSS3
+5 moreRubyMobile ApplicationsHTMLLeadershipCSS

Languages Chinese Β· English

  • Enterprise Design Thinking Practitioner β€” IBM

From Ernest's professional profile.

Frequently asked questions

Who is Ernest Sim?
Ernest Sim is co-founder of Atlas and previously co-founded Grain, a Series B-backed online restaurant based in Singapore. He has focused on food and beverage technology ventures.
Where does Ernest Sim work?
Ernest Sim is Founder of Atlas and Founder at Grain.
What companies did Ernest Sim found?
Ernest Sim founded Atlas, Grain.
Where did Ernest Sim go to school?
Ernest Sim studied at Y Combinator (Making something people want); Ngee Ann Polytechnic (Diploma, Information Technology); Anglo-Chinese School (Barker Road).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

Y Combinator mafia4,716

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3

+ 4,709 more

Ngee Ann Polytechnic mafia3

Also came through, then founded or led a company.

Stan ChangDiploma in Multimedia ComputingFounded TaskadeKazel Koh En YangDiploma of Information TechnologyFounded Collar

Atlas mafia2

Also came through, then founded or led a company.

Dmitry StarodubtsevAngel InvestorFounded Creopop +2

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Also attended Ngee Ann Polytechnic21

Dallies LimInvestor Relations Associate at Burda Principal InvestmentsNatalie NgInvestor at TNBAuraJohn TayDirector of Partnerships and Strategy at Tin Men CapitalJohny TjhengDirector at ArtesianKellie ChanAssistant Director at SGInnovateChoon Chong TayManaging Partner at Vertex Ventures China

+ 15 more

Also attended Anglo-Chinese School (Barker Road)2

Hsien-Hui TongExecutive Director, Investments at SGInnovateVishal HarnalGlobal Managing Partner; Managing Partner, Southeast Asia at 500 Startups Vietnam

Shared employers

Also worked at Atlas3

Dmitry StarodubtsevFounder at Mighty BuildingsShawn LiamFounder at AtlasSurendhar ReddyFounder at Atlas

Also worked at Grain2

Shawn LiamFounder at AtlasSurendhar ReddyFounder at Atlas

Also worked at Singapore Armed Forces (SAF)40

Charles TeoInvestor at TNBAuraDinesh GanesanPrincipal at ArcTern VenturesZong Xi SiaInvestment Director at Cocoon CapitalYi Chao LimSenior Associate at Reefknot InvestmentsDavid YinPartner at Informed Ventures Advisors, LlcWeili TanPartner at Informed Ventures Advisors, Llc

+ 34 more