Arsani William
InvestorManaging Partner / Chief Investment Officer at Logos
San Francisco, California, United States
About
Arsani William is Managing Partner and Chief Investment Officer at Logos, where he oversees portfolio construction, risk management, and strategy across public and private markets. Before founding Logos, he worked as an investment professional at Farallon Capital Management, contributing to its biopharma portfolio and investment framework. Trained as a physician, he earned his MD at Harvard Medical School, an MBA at Stanford Graduate School of Business, and a BS in Biology at Stanford University.
Invests in
Biotech
Experience
- Logos Capital Management, LLCCIO & Managing Partnercurrent2019 β presentSan Francisco Bay Area
- Farallon Capital ManagementInvestment Professional2015 β 2019San Francisco
- Massachusetts General HospitalOrthopaedic Surgery , Clinical Clerkship2013 β 2014Orthopedic Oncology
- Brigham and Women's HospitalOrthopaedic Surgery , Clinical Clerkship2012 β 2013Orthopedic Spine
- Stanford University School of MedicineHoward Hughes (HHMI) Fellow2009 β 2011Steinman Lab, Stanford University School of Medicine
Education
- Harvard Medical SchoolDoctor of Medicine (M.D.)
- Stanford University Graduate School of BusinessMaster of Business Administration (M.B.A.)
- Stanford UniversityB.S Biology- Honors Neuroscience & Immunology
Skills & more
HealthcareImmunologyStatisticsData AnalysisClinical ResearchScienceLifesciencesNon-profitsMedical DevicesCommunity OutreachNonprofitsSurgery
+4 more
Life SciencesBiotechnologyTeam MotivationPublic SpeakingFrom Arsani's professional profile.
Same school
Also attended Harvard Medical School135
Niko BonatsosInvestment Team at General CatalystAnthony PhilippakisInvestor at GV (Google Ventures)Ben RobbinsInvestor at GV (Google Ventures)David ReshefInvestor at GV (Google Ventures)Krishna YeshwantInvestor at GV (Google Ventures)Morgan CheathamPartner and Head of Healthcare and Life Sciences at Breyer Capital
+ 129 more
Also attended Stanford University Graduate School of Business1,317
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberPeter FentonGeneral Partner at BenchmarkSteve JurvetsonCo-founder of Future VenturesDavid SzeAdvisory Partner at GreylockKatherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)Hunter WalkCo-founder & Partner at Homebrew
+ 1,311 more
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital
+ 1,994 more
Shared employers
Also worked at Logos Capital Management, LLC7
Brandon AdamsAnalyst at LogosDerek GouldGeneral Counsel / Chief Compliance Officer at LogosCynthia GoldsmithChief Financial Officer at LogosUdit DalalVP, Operations at LogosBenjamin ChanFinance Manager at LogosGraham WalmsleyGeneral Partner at Logos
+ 1 more
Also worked at Farallon Capital Management12
Saurabh K. MittalChairman, CEO and Founder at Mission HoldingsAlex MarshallPartner & General Counsel at Generation Investment ManagementJefferson ChenManaging Director at Informed Ventures Advisors, LlcSubodh GuptaInvestor at Valo VenturesTom SteyerCo-Founding Investor at Radicle ImpactMichelle RuggeriInvestor at Nimble Partners
+ 6 more
Also worked at Massachusetts General Hospital58
Ben RobbinsInvestor at GV (Google Ventures)David KaufmanInvestor at Third Rock VenturesErin MooreInvestor at Third Rock VenturesJeb KeiperInvestor at Third Rock VenturesJefte DrijversInvestor at Third Rock VenturesDan GebremedhinPartner at Flare Capital Partners
+ 52 more
Also worked at Brigham and Women's Hospital46
Anthony PhilippakisInvestor at GV (Google Ventures)Nasra MohamedInvestor at Third Rock VenturesAlexi Nazem, MDGeneral Partner at AlleyCorpDavid Rosenthal, MDVenture Partner at AlleyCorpChristiana BardonManaging Partner of MPM BioImpact, leading the firm's public market investingGary GottliebExecutive Partner at Flare Capital Partners
+ 40 more
Colleagues at Logos
Benjamin Chan
Finance Manager at Logos
Brandon Adams
Analyst at Logos
Cynthia Goldsmith
Chief Financial Officer at Logos
Derek Gould
General Counsel / Chief Compliance Officer at Logos
Dr. Arsani William
Managing Partner / Chief Investment Officer at Logos
Dr. Ed Zhong
Investment Advisor at Logos
Dr. Graham Walmsley
Managing Partner at Logos
Dr. Jesse Yu
Senior Analyst at Logos
.png)

































