Fundraising Fox

Ken Book

InvestorFounder

Investment Banking at Goldman Sachs · Founder at Fluid Markets

New York, New York, United States

FoundedFluid Markets · YC

Find your path to Ken

600 people in our graph share verified history with Ken — schools, employers, funds. One of them is your warm intro.

Alex TranunlockedKen: together at Cred (2020)
×11Ken: together at Goldman Sachs

About

Ken Book is the founder of Pointwise, which recommends credit cards based on users' spending patterns and financial goals.

Founder at Fluid MarketsYC W23

Intro paths

YC

Ken went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Fluid Markets's batch and knows the company first-hand. YC profile ↗

→

In turn, Ken can intro founders to Fluid Markets's investors below.

Fluid Markets's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2023

Co-founders at Fluid Markets

BLBenjamin Litvin
Benjamin LitvinFounder

Experience

  1. Fluid Markets (YC W23)Co-Founder & CEOcurrent2022 — presentNew York, New York, United States
  2. Goldman SachsInvestment Bankingcurrent2021 — present
  3. TAMID GroupDirector of Fundcurrent2019 — present
  4. KA HoldingsManaging Member2021 — 2022New York, United States
  5. CredIdiosyncratic Risk2020
  6. Bank Leumi USARisk2020
  7. ORLOOffice of the Controller2019

Skills & more

FinTech

Languages English · Hebrew

From Ken's professional profile.

Colleagues at Goldman Sachs

Anisha Musti
Investor at Dorm Room
Barbara Healy
Director at Goldman Sachs
Carina Sun
Finance Director at Sky9 Capital
David Solomon
Chairman and Chief Executive Officer at Goldman Sachs
David Washer
Investor at Adjuvant Capital
Frank Ennis
Director at Goldman Sachs
Gert-Jan Verhagen
Director at Goldman Sachs
Grainne Alexander
Director at Goldman Sachs

Frequently asked questions

Who is Ken Book?
Ken Book is the founder of Pointwise, which recommends credit cards based on users' spending patterns and financial goals.
Where does Ken Book work?
Ken Book is Founder of Fluid Markets and Investment Banking at Goldman Sachs.
What companies did Ken Book found?
Ken Book founded Fluid Markets.
Where did Ken Book go to school?
Ken Book studied at Y Combinator; Melvin J. Berman Hebrew Academy (High School Diploma); Yeshiva University (Finance).

Founder mafias

Y Combinator mafia10,230

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1

+ 10,223 more

Goldman Sachs mafia531

Also came through, then founded or led a company.

Marc AndreessenSummer AnalystFounded OpswareFred EhrsamTraderFounded Nudge +1Matt HuangSummer AnalystFounded Paradigm +1David VélezAnalystFounded Nubank +1Tarek MansourEquity Derivatives AnalystFounded KalshiColin WebbSummer AnalystFounded Saucepricing +1

+ 524 more

Goldman Sachs mafia334

Also came through, then founded or led a company.

Marc AndreessenAssociate - Rates Derivatives Sales & TradingFounded OpswareFred EhrsamForeign Exchange TraderFounded Nudge +1David VélezAnalystFounded Nubank +1Tarek MansourEquity Derivatives AnalystFounded KalshiGordon WintrobSummer Analyst, Investment BankingFounded Newfrontinsurance +2Henson OrserAssociateFounded Soter +2

+ 327 more

Yeshiva University mafia12

Also came through, then founded or led a company.

Dr. Yair SapersteinBAFounded AvoMD +1David ShadpourBSFounded Olapic +1Laizer KornwasserBSFounded Dr FirstLowell BaronBSFounded Brookfield Asset ManagementMichael LevyFinanceFounded SOMATICEthan VeresBachelor of Arts (B.A.)Founded eqtble

+ 5 more

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures

+ 1,994 more

Also attended Yeshiva University73

Helena HowardCompliance Associate at Deerfield Management CompanySophia BlumenstrauchHead of Platform at Verissimo VenturesMichael EisenbergCo-founder and General Partner at Aleph, an early-stage Israeli venture capital fundLaizer KornwasserStrategic Healthcare Advisor at Team8Eliyahou AmsellemAssociate at Ridge VenturesAmit TobolskyInvestor Relations Director at Serendipity Impact VC

+ 67 more

Shared employers

Also worked at Fluid Markets (YC W23)1

Benjamin LitvinFounder at Fluid Markets

Also worked at TAMID Group22

Tara NikkhooOperations Manager at Alpha EdisonSarah TorguemanInvestor at Maccabee VenturesJonathan WinfieldSenior Associate at The Argentum GroupBen MillerInvestments at SuRo CapitalRachel FermDirector, Investments at Florida FundersJacob KellnerVice President at Ridgewood Infrastructure

+ 16 more

Also worked at Cred22

Alex TranInvestment Team at General CatalystKaushik SubramanianVenture capitalist, product personRahul SundareshwaranAssociate, Asia at RTP GlobalShunyam GuptaAnalyst, Asia at RTP GlobalMiten SampatAdvisor at Roots VenturesShailendra SinghManaging Director at Peak XV Partners

+ 16 more

Also worked at Bank Leumi USA2

Shailesh ChirputkarCo-founder & CTO at AstragarDillon AbendExecutive Officer at 3rd-i Technology