Alloy Therapeutics, Inc.
Alloy Therapeutics provides drug discovery and development platforms to biopharma companies, working with over 200 partners including 18 of the top 50 biopharmaceutical firms. The Lexington-based biotech has raised $168M and employs 152 people.
The growth story
Alloy Therapeutics, Inc. grew from 58 to 152 employees between 2021 and 2026, raising $168M along the way, most recently a Series E in April 2026.
About
Alloy Therapeutics offers integrated platforms and capabilities for antibody and biologic drug discovery, primarily serving biopharmaceutical companies. Its tools help partners advance medicines from discovery through development without competing with their pipelines.
The company has raised $168M in funding, most recently in a Series E round. Its workforce of 152 spans research and development functions, with a notable concentration in research roles.
Founders and leadership
Alloy Therapeutics is led by a team focused on drug discovery platforms, with research being the largest function at 37 employees. The company operates with a relatively flat structure, typical of biotech firms.
The Alloy Therapeutics, Inc. org chart
Errik Anderson (CEO, Chairman, Founder) leads 56 mapped leaders with 33 direct reports. Click +N to expand a team; names link to the person’s public profile.
- Chief Executive Officer of Genetic Medicines Division at Alloy TherapeuticsExecutive
Departments, and which ones grew
Headcount by function: Research 50 (+4% YoY), Business Development 30 (+20% YoY), Operations 16 (+23% YoY), Information Technology 7 (-22% YoY), Engineering 7 (+250% YoY), Administrative 6 (+50% YoY).
Talent flow
Alloy recruits heavily from biopharma firms like Compass Therapeutics and Sanofi, with academic institutions like Northeastern University also contributing talent. Alumni often move to academic medical centers like UT Southwestern or join other biotech startups.
Most common previous employers of Alloy Therapeutics, Inc. staff: Compass Therapeutics (7), Sanofi (6), Avidity Biosciences (5), Takeda (5), Northeastern University (4), ETH Zürich (4). Former Alloy Therapeutics, Inc. employees most often moved to UT Southwestern Medical Center (4), Sanofi (3), Mass General Brigham (3), Bonito Biosciences (3), ProGenis Pharmaceuticals (2), Aakha Biologics (2).
Alumni worth knowing
The Alloy Therapeutics, Inc. mafia
Alloy Therapeutics alumni have founded at least 10 companies, including Potato (82 staff), Syenex (17 staff), and Aakha Biologics (8 staff), showing a strong entrepreneurial streak among former employees.
10Nick Edwards, PhD, was Venture Partner until 2022Jay Rosanelli, was COO / CFO / GP Venture Studio until 2022Hemanta Baruah, was Entrepreneur In Residence until 2021Travis LeGuyader, was Director of Business Development until 2024Devin Turner, was Head of Antibody Discovery Services until 2022Gary Ng, PhD, MBA, was Senior Director of Product Marketing until 2023
Jennifer Tietz, was Chief of Staff until 2021
Alexander Ilyasov, was Senior Associate, Office of the CEO until 2024
Dilip Challa, was Senior Scientist until 2024
Scott McMenemy, was Vice President Business Development and Sales until 2025Hiring now
Web traffic
Traffic mix: 8% direct, 79% search, 0% social, 0% paid.
What this company is made of
Most common skills at Alloy Therapeutics, Inc.: Molecular Biology (44), Biotechnology (43), Research Skills (43), Microsoft Office (41), Cell Culture (38), Leadership (32), Microsoft Excel (32), Polymerase Chain Reaction (PCR) (29).
Where the team actually sits
Alloy Therapeutics, Inc. people are concentrated in Massachusetts, United States (39), Greater Boston (16), Georgia, United States (10), United States (6).
Search footprint
Alloy Therapeutics, Inc. attracts about 394 organic search visits a month, traffic worth roughly $2K a month if bought through ads. It gained 214 ranking keywords and lost 67 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.10 / 5
- Senior management
- 2.80 / 5
- Work-life balance
- 3.40 / 5
Frequently asked
Alloy Therapeutics, Inc. has 152 employees as of September 2026.
Alloy Therapeutics, Inc. has raised $168M in total, most recently a Series E round in April 2026.
Alloy Therapeutics, Inc. was founded in 2017 by Errik Anderson.
Errik Anderson (CEO, Chairman, Founder) sits at the top of Alloy Therapeutics, Inc.'s reporting structure, with 33 direct reports.
The most common previous employers of current Alloy Therapeutics, Inc. staff are Compass Therapeutics (7 people), Sanofi (6 people), Avidity Biosciences (5 people).
Former Alloy Therapeutics, Inc. employees most often move to UT Southwestern Medical Center (4), Sanofi (3), Mass General Brigham (3).
At least 10 companies have a founder who previously worked at Alloy Therapeutics, Inc., including Potato, Syenex, Aakha Biologics.
Alloy Therapeutics, Inc. attracts about 394 organic search visits a month, worth roughly $2K a month in equivalent ad spend.
The most common skills among Alloy Therapeutics, Inc. staff are Molecular Biology, Biotechnology, Research Skills, Microsoft Office, Cell Culture.
Alloy Therapeutics, Inc. staff are concentrated in Massachusetts, United States (39), Greater Boston (16), Georgia, United States (10).
Alloy Therapeutics, Inc. has about 50 people in Research, up 4% over the past year, as of September 2026.
Alloy Therapeutics, Inc. has about 30 people in Business Development, up 20% over the past year, as of September 2026.
Computed from 115 current and 159 former Alloy Therapeutics, Inc. profiles, as of September 2026. Source: Crustdata.
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