About
Sonia Millsom is CEO of Oxeon, working with founders and boards to build and scale healthcare companies across commercial, Medicare, and Medicaid populations. She previously served as Chief Growth Officer at Iora Health, which was acquired for $2.1 billion, and as Chief Commercial Officer at Maven Clinic, with earlier roles at Best Doctors, Health Dialog, and UnitedHealthcare. She holds a Master of Public Health from Columbia University and a BA in Political Science from Boston College.
Invests in
Digital HealthFemTechHealthtech
Experience
- OxeonChief Executive Officercurrent2022 — presentNew York, NY
- Blue Cross & Blue Shield of Rhode IslandBoard Membercurrent2025 — present
- Break into the Boardroom (BiB)Sponsor, BIB Alumna and Cohort Leadercurrent2018 — presentNew York, NY
- Hopscotch Primary CareBoard Membercurrent2023 — present
- Suvida HealthcareBoard Membercurrent2022 — present
- Clever Care Health PlanBoard Membercurrent2021 — present
- Stellar HealthBoard of Advisorscurrent2021 — present
- Quilted HealthBoard Member2022 — 2024
- Maven ClinicChief Commercial Officer2020 — 2021
- Iora HealthChief Growth Officer2019 — 2020Boston, Massachusetts
- Iora HealthEVP Growth2018 — 2019Boston, Massachusetts
- Iora HealthSenior Vice President Business Development2017 — 2018Greater Boston Area
- Iora HealthVP Business Development2016 — 2017Greater Boston Area
- Best DoctorsVP Payor Strategy2012 — 2015Greater Boston Area
- Health DialogVP, Marketing2011 — 2012
- Health DialogVP Client Development2011
- Health DialogRVP Client Development2010 — 2011
- UnitedHealthcareRegional Vice President2003 — 2010
- The Segal CompanyHealth Consultant1997 — 2002
- New York Business Group on HealthProgram Assistant1996New York, New York
- Peace CorpsMaternal and Child Health Volunteer1993 — 1995Morocco
Skills & more
Team Leadership9Leadership44Strategy47Strategic Planning17Management7Health plan expertise1Wellness Initiatives1Labor Relations2Employee benefitsSales Force EffectivenessSales Presentations2Health Policy14
+12 more
Health InsuranceDisease ManagementMedicareSales EffectivenessWellnessProposal WritingPerformance ImprovementManaged CareEmployee BenefitsThought LeadershipHealthcareInternal CommunicationsFrom Sonia's professional profile.
Investments
Board seats
Blue Cross Blue Shield of RIClever Care Health PlanHopscotch Primary CareSuvida Health
Per the firm's website.
Colleagues at Oxeon Partners
Aaron Kim
Director at Oxeon Partners
Abby Patchell
Associate at Oxeon Partners
Annika DeStefano
Senior Associate at Oxeon Partners
Anthony DeMaio
Systems Support Specialist at Oxeon Partners
Anthony Louis
Senior Associate at Oxeon Partners
Ava Colarusso
Director at Oxeon Partners
Ava Gierek
Associate at Oxeon Partners
Brian Ross
Director at Oxeon Partners
Frequently asked questions
- Who is Sonia Millsom?
- Sonia Millsom is CEO of Oxeon, working with founders and boards to build and scale healthcare companies across commercial, Medicare, and Medicaid populations. She previously served as Chief Growth Officer at Iora Health, which was acquired for $2.1 billion, and as Chief Commercial Officer at Maven Clinic, with earlier roles at Best Doctors, Health Dialog, and UnitedHealthcare. She holds a Master of Public Health from Columbia University and a BA in Political Science from Boston College.
- Where does Sonia Millsom work?
- Sonia Millsom is CEO at Oxeon Partners.
- What does Sonia Millsom invest in?
- Sonia Millsom invests in Digital Health, FemTech, Healthtech.
- What boards does Sonia Millsom sit on?
- Sonia Millsom holds tracked board seats at Blue Cross Blue Shield of RI, Clever Care Health Plan, Hopscotch Primary Care, Suvida Health.
- Where did Sonia Millsom go to school?
- Sonia Millsom studied at Boston College (BA, Political Science); Columbia University (MPH, Public Health Policy and Management); The Taft School (High School).
Same school
Also attended Boston College195
Pat GradyPartner at Sequoia CapitalDavid FialkowGeneral Catalyst co-founder, founder-first company builder, data and digital-health investor, and documentary producerBijan SabetPersonal journalSteve MurrayAdvisor, Revolution Growth at RevolutionNatalie SchmitkeManaging Director Capital Networks at Burda Principal InvestmentsKerry HullChief Financial Officer & Chief Operating Officer at CincyTech
+ 189 more
Also attended Columbia University726
Ben HorowitzCo-founder & General Partner at Andreessen HorowitzDoug LeonePartner at Sequoia Capital; former Global Managing PartnerChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIGabriella GiglioHR & Executive Talent at General CatalystScott BillerInvestor at GV (Google Ventures)
+ 720 more
Also attended The Taft School21
Catherine DiffleyHead of Hospitality & Real Estate at AlleyCorpBrooks ReedAnalyst at PeakSpan Capital PartnersSarah SommerCo-Founder and Partner at Level EquityCarolyn StarrettAdvisor at Oncology VenturesLexi ReeseAdvisor at AvilaDavid CoitInvestor at North Atlantic Capital
+ 15 more
Shared employers
Also worked at Clever Care Health Plan2
Also worked at Stellar Health6
Also worked at Iora Health11
Samir KaulInvestor at Khosla VenturesLiam DonohueInvestor at .406 VenturesGraham BrooksPartner at .406 VenturesMichael GreeleyCo-Founder and General Partner at Flare Capital PartnersRushika FernandopulleCEO, Iora Health & Founding Pillar at Pillar VCGillian MunsonChief Financial Officer Vimeo at Lytical Ventures
+ 5 more
