Hexagon Bio
Hexagon Bio is a biopharmaceutical company developing antibody-drug conjugates (ADCs) for cancer treatment. It has raised $194M in funding and employs 76 people.
The growth story
Hexagon Bio grew from 52 to 76 employees between 2021 and 2026, raising $194M along the way, most recently a Series B in October 2022.
About
Hexagon Bio discovers cytotoxic small molecules from microbial genomes for use as payloads in antibody-drug conjugates (ADCs). Its platform identifies both existing and novel mechanisms targeting cancer pathways, advancing a pipeline of ADC candidates for solid tumors and hematological malignancies.
The company raised $194M in a Series B round in October 2022, backed by investors including 8VC and Casdin Capital. It employs 76 people, with a strong focus on research, which accounts for 34 of its staff.
Founders and leadership
Hexagon Bio is led by a research-heavy team, with 34 of its 76 employees focused on research. The company has a median tenure of 2 years, indicating moderate turnover.
The Hexagon Bio org chart
Maureen Hillenmeyer (Founder and CEO) leads 15 mapped leaders with 4 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 45 (+15% YoY), Business Development 8 (0% YoY), Engineering 4 (0% YoY).
Talent flow
Hexagon Bio recruits heavily from Stanford University, Amgen, and the University of California, San Francisco. Alumni frequently move to companies like Genentech, Decade Bio, and Roche.
Most common previous employers of Hexagon Bio staff: Stanford University (6), Amgen (4), Stanford University School of Medicine (4), University of California, San Francisco (4), University of California, Berkeley (4), Gilead Sciences (3). Former Hexagon Bio employees most often moved to Genentech (3), Decade Bio (2), GondolaBio (2), Roche (2), Natera (2), Guardant Health (2).
Alumni worth knowing
The Hexagon Bio mafia
Hexagon Bio alumni have founded four companies, including Conflux and Juvia, with several staff members joining these ventures.
4Chris Probert, was Consultant until 2018Jakob Loven, PhD, was Board Member until 2024Michelle Grau, was Senior Scientist until 2025Viraj Deshpande, was Computational Biology Consultant until 2024Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Hexagon Bio: Molecular Biology (23), Research Skills (21), Biotechnology (17), Cell Culture (16), Data Analysis (16), Biochemistry (16), Polymerase Chain Reaction (PCR) (15), High-Performance Liquid Chromatography (HPLC) (15).
Where the team actually sits
Hexagon Bio people are concentrated in California, United States (39), San Francisco Bay Area (13), United States (5), Massachusetts, United States (1).
Search footprint
Hexagon Bio attracts about 178 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 20 ranking keywords and lost 25 in the last period.
What employees say
- Compensation
- 4.20 / 5
- Career opportunities
- 4.00 / 5
- Senior management
- 3.70 / 5
- Work-life balance
- 4.20 / 5
Frequently asked
Hexagon Bio has 76 employees as of September 2026.
Hexagon Bio has raised $194M in total, most recently a Series B round in October 2022.
Hexagon Bio was founded in 2016 by Maureen Hillenmeyer, Colin Harvey.
Maureen Hillenmeyer (Founder and CEO) sits at the top of Hexagon Bio's reporting structure, with 4 direct reports.
The most common previous employers of current Hexagon Bio staff are Stanford University (6 people), Amgen (4 people), Stanford University School of Medicine (4 people).
Former Hexagon Bio employees most often move to Genentech (3), Decade Bio (2), GondolaBio (2).
At least 4 companies have a founder who previously worked at Hexagon Bio, including Conflux, Juvia, Supercool Earth.
Hexagon Bio attracts about 178 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Hexagon Bio staff are Molecular Biology, Research Skills, Biotechnology, Cell Culture, Data Analysis.
Hexagon Bio staff are concentrated in California, United States (39), San Francisco Bay Area (13), United States (5).
Hexagon Bio has about 45 people in Research, up 15% over the past year, as of September 2026.
Hexagon Bio has about 8 people in Business Development, up 0% over the past year, as of September 2026.
Computed from 58 current and 93 former Hexagon Bio profiles, as of September 2026. Source: Crustdata.
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