What sectors does Firefly Health focus on?

Firefly Health focuses on Healthtech, InsurTech.

Where is Firefly Health located?

Firefly Health is headquartered in New York, US.

Firefly Health

Funding platformoperating company · company profile

New York · 7 people tracked

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Find your way into Firefly Health

2,392 people in our graph share verified history with the Firefly Health team — schools, employers, funds. One of them is your warm intro.

Laura Buhlerunlockedknows Seth Cohen · together at McKinsey & Company (overlapped)

×3knows the team · via Massachusetts Institute of Technology

knows the team · via Cedar

knows the team · via McKinsey & Company

knows the team · via Brigham and Women's Hospital

knows the team · via Harvard University

✨ Fox Verdict

Investment thesis

Firefly is a health insurance company offering an integrated care model with in-house clinicians, hands-on guidance, and a modern digital platform designed to deliver affordable, quality healthcare to members.

Invests inHealthtech InsurTech New York United States

Source: firm website, verified Aug 6, 2026.

New York, NY, US

Team · 7 people

from the firm's website & curated

Andy Ellner· Chief Clinical Advisor· Cambridge, Massachusetts, United Statesin

Andy Ellner is VP Real Estate at CCM Group LLC. He has more than 12 years of experience spanning ground-up development, investment, portfolio and asset management, and corporate operations.

Jeff Greenberg· Chief Network Officer· Boston, Massachusetts, United Statesin

Jeff Greenberg is a co-founder and Chief Network Officer at Firefly Health, where his work centers on health care delivery and coverage. He earned an MD/MBA from the University of Pennsylvania and completed his Internal Medicine residency at Massachusetts General Hospital. Prior to founding Firefly Health, he served as an assistant professor at Harvard Medical School and has authored several peer-reviewed publications.

Nisha Basu· Chief Clinical Officer· Greater Bostonin

Nisha Basu is Chief Clinical Officer and Senior Vice President at Firefly Health, a tech-enabled health plan built around virtual primary care, where she oversees the physician, nurse practitioner, RN, behavioral health, and health guide teams. Over the past seven years she has helped build the company's virtual primary care model, developed clinical protocols for chronic disease management, and established its patient safety program, and for the past two years she has managed member and provider operations including licensing, credentialing, and access. A primary care physician with over 20 years of experience, she is also an instructor at Harvard Medical School and serves on the Evaluations Program Committee at the NCQA.

Nancy Brown· Board Member· New York, New York, United Statesin 𝕏

General Partner focused on healthcare.

n•••@oakhcft.comreveal

Seth Cohen· Board Member· Santa Monica, California, United Statesin

President at Cedar.

Steven Lindseth· Advisor· Crested Butte, Colorado, United Statesin

Serial entrepreneur and investor who advises venture and private equity funds and healthcare innovation groups including the Cleveland Clinic and Mass General Brigham. Sits on the boards of several portfolio companies.

s•••@cuvcfund.comreveal

Vinay Seth Mohta· Advisor· Greater Bostonin

Vinay Seth Mohta is the CEO and Co-Founder of Manifold, an enterprise agent platform for life sciences. He previously co-founded Kyruus Health, where he served as CTO, and was an early team member at Endeca Technologies, which was acquired by Oracle. Mohta holds an S.B. and M.Eng. in Electrical Engineering and Computer Science from MIT and has earned multiple patents.

Founder mafia

The Firefly Health mafia →

6 people who came through Firefly Health went on to found or lead other companies.

Andy EllnerChief Clinical AdvisorFounded Quilt Health +1 Jeff GreenbergChief Network OfficerFounded Firefly Health +1 Vinay Seth MohtaAdvisorFounded Kyruus +1 Seth CohenBoard MemberFounded Ooda Health Dr Stewart WasherExecutive ChairmanFounded Rumin8 Jeff GreenbergCo-Founder and Chief Product OfficerFounded Firefly Health

Frequently asked questions

What sectors does Firefly Health focus on?: Firefly Health focuses on Healthtech, InsurTech.
Where is Firefly Health located?: Firefly Health is headquartered in New York, US.

Media · Podcasts & interviews

featuring the team

Fay Rotenberg, CEO, Firefly Health - YouTube

The Health Care Blog's Channel · Fay Rotenberg

#214 - Fay Rotenberg, CEO at Firefly Health - YouTube

Slice of Healthcare Network · Fay Rotenberg

Meet Ariel: Bringing care into the home for an expecting mom

Firefly Health

Images

Co-investors · 32

Andreessen Horowitz

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.

$500K – $50M

General Catalyst

General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.

$30M

GV (Google Ventures)

GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.

$250K – $50M

Bessemer Venture Partners

Bessemer Venture Partners is a global venture capital firm that partners with entrepreneurs across enterprise, consumer, and healthcare sectors from early stages through growth.

$5M – $100M

New Enterprise Associates (NEA)

New Enterprise Associates (NEA) is a venture capital firm that invests in and provides long-term support to founders building new companies.

$200K – $40M

Alumni Ventures

Alumni Ventures (AV) is a venture capital firm that co-invests alongside lead VCs in startups, backing founders with capital and access to a large investor and operator community.

$100K – $10M

Foundation Capital

Foundation Capital is an early-stage venture capital firm that commits to founders at the idea stage and maintains long-term relationships with portfolio companies through their growth journey.

$250K – $15M

Atomico

Atomico is an international venture capital firm that invests in growth-stage technology companies across multiple geographies. The firm focuses on scaling disruptive technology businesses globally.

F-Prime Capital

F-Prime Capital is an early-stage-focused investment firm backing companies across life sciences, technology, healthtech and services, and crypto.

$3M – $10M

8VC

8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.

$100K – $50M

Venrock

Venrock is a venture capital firm investing across technology and healthcare, backing companies in fintech, developer infrastructure, life sciences, therapeutics, semiconductors, and consumer products.

$500K – $10M

Polaris Partners

Polaris Partners is a venture capital firm that partners with biotech and healthcare entrepreneurs to build transformational companies.

$500K – $5M

▶20 more co-investors

Operator LP Shasta Ventures MS&AD Ventures NextGen Venture Partners Brainchild Holdings Draper Fisher Jurvetson (DFJ)Anorak Ventures xfactor ventures Kickstart Next Coast Ventures Flare Capital Partners Ludlow Ventures VOLT CAPITAL Moderne Ventures Ascension Ventures Sandbox Industries Meridian Street Capital Ground Up Ventures RPM Ventures VU Venture Partners

Firms observed investing alongside Firefly Health, from public investor directories. Shared companies are the overlap with Firefly Health's recorded portfolio.

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