About
Founder of Downtobid, a preconstruction software platform that streamlines bidding workflows for general and trade contractors.
Founder at DowntobidYC S19
Intro paths
YC
Andy went through Y Combinator (Summer 2019) — any YC alum in your network can reach them through the YC community.
→
In turn, Andy can intro founders to Downtobid's investors below.
Downtobid's investors · 2
Co-founders at Downtobid
KW
Kevin WuFounder
Experience
- Stealth StartupAI systems engineercurrent2025 — present
- Stealth StartupIntern2025Los Angeles, California, United States
- DowntobidFounder2019 — 2024
- Uber Advanced Technologies GroupMotion Planning Engineer2016 — 2019Greater Pittsburgh Area
- Uber Advanced Technologies GroupMachine Learning Engineer2016Greater Pittsburgh Area
- GrouponData Science Intern2015Palo Alto
Skills & more
PythonC++PandasMachine LearningMathematicsApproximation AlgorithmsRandomized AlgorithmsStatistical ComputingProbability TheoryNumPyStatisticsAlgorithms
+2 more
Data AnalysisSalesLanguages Chinese · English
From Andy's professional profile.
Frequently asked questions
- Who is Andy Lee?
- Founder of Downtobid, a preconstruction software platform that streamlines bidding workflows for general and trade contractors.
- Where does Andy Lee work?
- Andy Lee is Founder of Downtobid.
- What companies did Andy Lee found?
- Andy Lee founded Downtobid.
- Where did Andy Lee go to school?
- Andy Lee studied at Y Combinator (S19 Founder); Swarthmore College (Bachelors, Mathematics and Computer Science); The Webb Schools (High School Diploma).
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
Swarthmore College mafia9
Also came through, then founded or led a company.
Christopher GaetaBachelor of Science - BSFounded Insitehealth +1Sammy GreenwallBachelor’s DegreeFounded Lev +1Brian SmigaBachelor’s DegreeFounded ActioneerBryan BaumEconomicsFounded Blue Vision LabsRobert DayBAFounded Spring Free EVMichael SiltonBachelor's degreeFounded Rainmaker Systems
+ 2 more
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 Swarthmore College37
David KaufmanInvestor at Third Rock VenturesElena VibochManaging Director at General CatalystBrian SmigaVenture Partner, Co-Founder at Alpha PartnersChad KemmererAnalyst at Volition CapitalAlex ZhangInvestor at Matter Venture PartnersBryan BaumCo-Founder & Managing Partner at K5 Global
+ 31 more
Shared employers
Also worked at Stealth Startup351
Andrew ChenGeneral Partner at Andreessen HorowitzGabriel PereyraCo-founder & President of HarveyErica VanInvestment Director at Intel CapitalHemamAdvisor at Clear VenturesHamish GarnettAssociate at Manta Ray VenturesFranz KoflerInvestor at Next Frontier Capital
+ 345 more
Also worked at Uber Advanced Technologies Group418
Bill GurleyGeneral Partner Emeritus at BenchmarkJason CalacanisFounder of LAUNCH; host of This Week in StartupsAndrew ChenGeneral Partner at Andreessen HorowitzGarrett CampCo-founder of Uber and StumbleUpon; founder of ExpaRaquel UrtasunFounder & CEO of WaabiFrédérique DameInvestor at GV (Google Ventures)
+ 412 more
Also worked at Groupon98
Alexandre ProtCo-founder & CEO of QontoSteve AnaviCo-founder & President of QontoGreg RudinBoard Partner at Menlo VenturesTed LeonsisFounder & Partner, Revolution Growth at RevolutionEric LefkofskyEntrepreneur & PhilanthropistJyri EngeströmPartner at Lifeline Ventures
%20(1).avif)
+ 92 more