Kardigan
Kardigan is a biotech startup developing cardiovascular disease treatments that aim to modify underlying disease mechanisms rather than just manage symptoms. The company has raised $554M in Series B funding and employs 219 people.
The growth story
Kardigan grew from 4 to 219 employees between 2023 and 2026, raising $554M along the way, most recently a Series B in October 2025.
About
Kardigan develops drugs targeting the root causes of cardiovascular diseases, moving beyond symptom management to functional cures. The company analyzes clinical trial data to match treatments with patient responders.
The Princeton-based startup launched in 2023 and has already secured major funding from investors including ARCH Venture Partners and Fidelity. With operations on both US coasts, Kardigan is building a team focused on cardiovascular drug development.
Founders and leadership
Operations is Kardigan's largest department, making up 26% of headcount. The company has a relatively young workforce with a median tenure of just one year.
The Kardigan org chart
Tassos Gianakakos (Co-founder, Chief Executive Officer and Chair) leads 60 mapped leaders with 11 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 42 (+31% YoY), Business Development 28 (+250% YoY), Operations 18 (+80% YoY), Human Resources 16 (+45% YoY), Information Technology 12 (+20% YoY), Program and Project Management 11 (+22% YoY).
Talent flow
Nearly half of Kardigan's employees previously worked at Bristol Myers Squibb, with significant talent also coming from MyoKardia and Genentech. Alumni have moved to smaller biotech firms like LB Pharmaceuticals and Legend Biotech.
Most common previous employers of Kardigan staff: Bristol Myers Squibb (48), MyoKardia (33), Genentech (31), GSK (13), Gilead Sciences (12), Merck (11). Former Kardigan employees most often moved to LB Pharmaceuticals (2), Legend Biotech (1), Telix Pharmaceuticals (1), Alector (1), Grace HR Consulting (1), MannKind (1).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 20% direct, 75% search, 0% social, 0% paid.
What this company is made of
Most common skills at Kardigan: Leadership (69), Pharmaceutics (68), Biotechnology (64), Project Management (60), Research Skills (56), Clinical Trials (55), Management (55), Cross-functional Team Leadership (52).
Where the team actually sits
Kardigan people are concentrated in California, United States (57), San Francisco Bay Area (41), New Jersey, United States (18), Pennsylvania, United States (13).
Search footprint
Kardigan attracts about 73 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 17 ranking keywords and lost 10 in the last period.
Frequently asked
Kardigan has 219 employees as of September 2026.
Kardigan has raised $554M in total, most recently a Series B round in October 2025.
Kardigan was founded in 2023 by Tassos Gianakakos.
Tassos Gianakakos (Co-founder, Chief Executive Officer and Chair) sits at the top of Kardigan's reporting structure, with 11 direct reports.
The most common previous employers of current Kardigan staff are Bristol Myers Squibb (48 people), MyoKardia (33 people), Genentech (31 people).
Former Kardigan employees most often move to LB Pharmaceuticals (2), Legend Biotech (1), Telix Pharmaceuticals (1).
Kardigan attracts about 73 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Kardigan staff are Leadership, Pharmaceutics, Biotechnology, Project Management, Research Skills.
Kardigan staff are concentrated in California, United States (57), San Francisco Bay Area (41), New Jersey, United States (18).
Kardigan has about 42 people in Research, up 31% over the past year, as of September 2026.
Kardigan has about 28 people in Business Development, up 250% over the past year, as of September 2026.
Computed from 182 current and 32 former Kardigan profiles, as of September 2026. Source: Crustdata.
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