Flare Therapeutics
Flare Therapeutics develops precision medicines targeting transcription factors, with a lead oncology drug in Phase 1A trials. The Cambridge-based biotech has raised $290M and employs 56 people.
The growth story
Flare Therapeutics grew from 24 to 56 employees between 2021 and 2026, raising $290M along the way, most recently a Series C in June 2026.
About
Flare Therapeutics focuses on creating drugs that target transcription factors, a class of proteins previously considered difficult to drug. Its lead candidate, FX-909, is an oral small molecule inhibitor being tested for urothelial cancer, with Phase 1A trials showing clinical proof-of-concept.
The company has raised $290M in funding, including a Series C round in 2026. With 56 employees, it draws talent primarily from established biopharma companies and academic institutions.
Founders and leadership
Research is the largest function at Flare Therapeutics, with 7 employees dedicated to this area. The company maintains a lean structure typical of early-stage biotechs, with a median tenure of 2 years.
The Flare Therapeutics org chart
Anna Protopapas (Chief Executive Officer) leads 27 mapped leaders with 5 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 18 (-28% YoY), Business Development 13 (-19% YoY), Operations 4 (+33% YoY), Healthcare Services 3 (+50% YoY), Finance 3 (0% YoY), Engineering 3 (-25% YoY).
Talent flow
Flare Therapeutics recruits heavily from Bristol Myers Squibb and Constellation Pharmaceuticals, with 7 and 6 hires respectively. Alumni have gone on to roles at Curie.Bio, ModeX Therapeutics, and other biotech firms.
Most common previous employers of Flare Therapeutics staff: Bristol Myers Squibb (7), Constellation Pharmaceuticals (6), Third Rock Ventures (4), Harvard Medical School (4), Biogen (3), Novartis (3). Former Flare Therapeutics employees most often moved to Curie.Bio (2), ModeX Therapeutics (2), Tasca Therapeutics (2), Manion Consulting International (1), BlueRock Therapeutics (1), Atlas Venture (1).
Alumni worth knowing
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Flare Therapeutics: Biotechnology (20), Drug Discovery (19), Life Sciences (19), Research Skills (18), Oncology (16), Drug Development (15), Molecular Biology (14), Clinical Development (14).
Where the team actually sits
Flare Therapeutics people are concentrated in Massachusetts, United States (19), Greater Boston (11), Alberta, Canada (3), New York City Metropolitan Area (2).
Search footprint
Flare Therapeutics attracts about 77 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 8 ranking keywords and lost 17 in the last period.
What employees say
- Compensation
- 3.90 / 5
- Career opportunities
- 1.90 / 5
- Senior management
- 2.30 / 5
- Work-life balance
- 2.20 / 5
Frequently asked
Flare Therapeutics has 56 employees as of September 2026.
Flare Therapeutics has raised $290M in total, most recently a Series C round in June 2026.
Flare Therapeutics was founded in 2021 by Robert Sims.
Anna Protopapas (Chief Executive Officer) sits at the top of Flare Therapeutics's reporting structure, with 5 direct reports.
The most common previous employers of current Flare Therapeutics staff are Bristol Myers Squibb (7 people), Constellation Pharmaceuticals (6 people), Third Rock Ventures (4 people).
Former Flare Therapeutics employees most often move to Curie.Bio (2), ModeX Therapeutics (2), Tasca Therapeutics (2).
Flare Therapeutics attracts about 77 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Flare Therapeutics staff are Biotechnology, Drug Discovery, Life Sciences, Research Skills, Oncology.
Flare Therapeutics staff are concentrated in Massachusetts, United States (19), Greater Boston (11), Alberta, Canada (3).
Flare Therapeutics has about 18 people in Research, down 28% over the past year, as of September 2026.
Flare Therapeutics has about 13 people in Business Development, down 19% over the past year, as of September 2026.
Computed from 42 current and 59 former Flare Therapeutics profiles, as of September 2026. Source: Crustdata.
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