Circle Pharma, Inc.
The growth story
Circle Pharma, Inc. grew from 31 to 66 employees between 2021 and 2026, raising $208M along the way, most recently a Series D in September 2024.
About
Circle Pharma initiated operations in June 2014 with seed funding from Pfizer, Inc. and Mission Bay Capital, LLP; we received additional seed funding from ShangPharma Investment Group Limited in November 2015. We recently raised Series B and Series C financing from The Column Group and NextTech Invest. We design and develop bioavailable macrocyclic peptide therapeutics against important clinical targets. We do this by applying a computational structure-based design approach that combines physics (conformational modeling), chemistry (innovative molecular components) and biology (protein target structure and function). We have selected intracellular protein-protein interactions that play key r
Founders and leadership
The Circle Pharma, Inc. org chart
David J. Earp, JD, PhD (President and CEO, Board of Directors) leads 32 mapped leaders with 3 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 25 (-26% YoY), Business Development 10 (0% YoY), Operations 4 (0% YoY), Healthcare Services 3 (+200% YoY).
Talent flow
Most common previous employers of Circle Pharma, Inc. staff: Genentech (6), University of California, San Francisco (5), AbbVie (4), Chiron (3), Geron (3), Arcus Biosciences (3). Former Circle Pharma, Inc. employees most often moved to Evonik (2), Altos Labs (2), Amneal Pharmaceuticals (2), VitesseParters (1), Heuresis Bio (1), Olema Oncology (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 Circle Pharma, Inc.: Biotechnology (17), Research Skills (17), Biochemistry (15), Life Sciences (15), Chemistry (15), Molecular Biology (15), Pharmaceutics (14), Leadership (14).
Where the team actually sits
Circle Pharma, Inc. people are concentrated in California, United States (37), San Francisco Bay Area (12), United States (2), New York, United States (1).
Search footprint
Circle Pharma, Inc. attracts about 108 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 37 ranking keywords and lost 20 in the last period.
What employees say
- Compensation
- 3.40 / 5
- Career opportunities
- 4.30 / 5
- Senior management
- 4.50 / 5
- Work-life balance
- 3.40 / 5
Frequently asked
Circle Pharma, Inc. has 66 employees as of September 2026.
Circle Pharma, Inc. has raised $208M in total, most recently a Series D round in September 2024.
Circle Pharma, Inc. was founded in 2012 by Matt Jacobson.
David J. Earp, JD, PhD (President and CEO, Board of Directors) sits at the top of Circle Pharma, Inc.'s reporting structure, with 3 direct reports.
The most common previous employers of current Circle Pharma, Inc. staff are Genentech (6 people), University of California, San Francisco (5 people), AbbVie (4 people).
Former Circle Pharma, Inc. employees most often move to Evonik (2), Altos Labs (2), Amneal Pharmaceuticals (2).
Circle Pharma, Inc. attracts about 108 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Circle Pharma, Inc. staff are Biotechnology, Research Skills, Biochemistry, Life Sciences, Chemistry.
Circle Pharma, Inc. staff are concentrated in California, United States (37), San Francisco Bay Area (12), United States (2).
Circle Pharma, Inc. has about 25 people in Research, down 26% over the past year, as of September 2026.
Circle Pharma, Inc. has about 10 people in Business Development, up 0% over the past year, as of September 2026.
Computed from 55 current and 53 former Circle Pharma, Inc. profiles, as of September 2026. Source: Crustdata.
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