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Formation Bio

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Formation Bio

AI-powered drug development and clinical trials.

formationbio.com
HQ: New York, NY, USA
Healthcare

Company research

Public company, workplace, funding, and market signals

Updated Aug 2, 2026

Overview

Formation Bio is a privately held, AI-native pharmaceutical and biotechnology company, formerly TrialSpark. It acquires, licenses, and develops clinical-stage drug assets, using proprietary software, data, and AI to make drug development faster and more efficient.

Primary product

An AI-native drug-development platform and associated pharma operating model spanning asset sourcing, drug-selection intelligence, trial design, clinical-trial execution, and portfolio development. Named platform components include Atlas, Delphi, Forge, Apollo, ARK, and Muse.

Founded

2013

Headquarters

16 East 34th Street, Floor 10, New York, NY 10016, United States

Team size

100-200 (third-party estimates vary; one June 2026 estimate reported approximately 196 and another company-profile estimate reported 137)

Work style

Hybrid

Industry

Biotechnology Research

Sub-industry

AI-native pharmaceutical drug development / clinical-stage biotech

Offices

New York City, New York, United States (headquarters)
Boston, Massachusetts, United States
San Francisco Bay Area, California, United States
North Carolina Research Triangle, United States

Business model

Acquires or licenses clinical-stage drug assets and advances them through development
Partners with pharmaceutical companies, biotechs, universities, and research organizations
Uses proprietary technology and AI to improve trial design, recruitment, execution, and development efficiency
Creates value through asset development and licensing/out-licensing transactions

Funding

Stage

Late-stage private / Series D

Total raised

$608M

Latest round

Series D · Jun 2024

Latest amount

$372M

Series D

Jun 2024 · Andreessen Horowitz (a16z)

$372M

Series C

Sep 2021

$156M

Series B

Jan 2018

$80M

Series A

Nov 2017 · Sequoia Capital

Seed

Jan 2017 · Sequoia Capital

People & investors

Leadership

Benjamine Liu

CEO & Co-Founder

Linhao Zhang

Co-Founder

Michael D. Ehlers

Chief Scientific Officer & Head of R&D

Daniel Neil

Chief Technology Officer

Louis Brenner

Chief Medical Officer

Dale Klasko

SVP, People

David Steinberg

Chief Business Officer

James Leslie

Chief Financial Officer

Matt Stehle

SVP, Operations

Sean Childers

General Counsel

Gavin Corcoran, MD

Executive in Residence

Investors

8VC
Andreessen Horowitz (a16z)
ArrowMark Partners
Bessemer Venture Partners
Casdin Capital
CTFH (Jiangsu Chia Tai Feng Hai Pharmaceutical)
Dragoneer Investment Group
Emerson Collective
Felicis
Felicis Ventures
Founder Collective
FPV Ventures
General Catalyst
John Doerr
Kleiner Perkins
Lachy Groom
Lynk Pharmaceuticals
Maveron
Michael Moritz
OpenAI
S32
Sam Altman
Sanofi
Section 32
Sequoia Capital
Sound Ventures
Spark Capital
Streamlined Ventures
SV Angel / SV Angel Growth
SV Angel Growth

Work & culture

The company describes an AI-native, data-driven, first-principles, scientifically rigorous culture emphasizing rapid iteration, workflow redesign, cross-functional collaboration, high ownership, and using AI as a daily force multiplier. Engineering roles describe fluid boundaries among engineering, product, data science, and clinical/domain teams.

Work style

Hybrid

Compensation

Job postings state that compensation depends on role scope, geography, skills, and experience; offers include base salary, equity, comprehensive benefits, and perks. Public postings did not provide a reliable company-wide salary range. E-Verify participation is disclosed, but sponsorship policy is not established by that fact.

Benefits

Flexible PTO
Health, vision, and dental insurance
401(k) plan
Pre-tax commuter benefits
Short- and long-term disability insurance
Life insurance
16 weeks paid parental leave for birthing parents
12 weeks paid parental leave for non-birthing parents
Professional-development resources, conference passes, certifications, and leadership coaching
Team-building events, company gatherings, retreat, and employee resource groups

Product & market

Pricing

Not publicly disclosed; the apparent model is partnership-, asset-, licensing-, and transaction-based rather than a public self-serve SaaS price list.

Differentiators

  • —Combines a pharma operating company with proprietary AI and software rather than selling only an external software tool
  • —Acquires or licenses clinical-stage assets and advances them through clinical proof points
  • —Integrated platform covering sourcing, selection, trial design, recruitment, execution, and development
  • —Large internal data platform spanning clinical trials, real-world patients, scientific papers, and deals
  • —AI-native workflow redesign intended to achieve sublinear scaling of the drug portfolio
  • —Flexible financing and partnership structures

Technology

Atlas
Delphi
Forge
Apollo
ARK AI orchestration layer
Muse patient-recruitment platform
Large language models and agentic AI workflows
Python
TypeScript
React
TensorFlow
PyTorch
AWS/GCP/Azure cloud infrastructure
Databricks
Snowflake
dbt
Looker
Terraform
Datadog
Neo4j

Customers

Sanofi
Pharmaceutical companies
Biotechnology companies
Universities and research organizations
Clinical investigators and trial partners

Competitors

Owkin
Recursion Pharmaceuticals
Exscientia
Schrödinger
AbSci
Cellarity

Scale & contact

Estimated revenue

Approximately $39M-$100M annually based on conflicting third-party estimates; Formation Bio does not appear to publicly report revenue.

Estimated monthly visits

18K

Traffic estimate as of Jun 2026

contact@formation.bio

Signals & risks

Other
Jun 2025

CNBC reported that Formation Bio had not yet submitted a drug for regulatory approval, so clinical, regulatory, and execution risk remain material despite substantial funding and a growing pipeline.

Source

Latest news

Formation Bio Appoints Michael Ehlers as Chief Scientific Officer and Head of R&D

Formation Bio · Jul 2026

Michael Ehlers joined as CSO and Head of R&D, bringing senior experience from Pfizer, Biogen, Apple Tree Partners, and MPM BioImpact.

Formation Bio Doses First Participant in Phase 1 Trial of BLKR201, a CNS-Penetrant TYK2 Inhibitor

Formation Bio · Jun 2026

Significant pipeline milestone: first participant dosed in Phase 1 of BLKR201 after in-licensing the asset from Lynk Pharmaceuticals.

Building an AI-Native Pharma Company

Formation Bio · Feb 2026

Formation Bio explains its AI-native strategy: redesigning workflows and organizational memory to grow the asset base faster than operational headcount.

Formation Bio Expands Leadership Team to Accelerate AI-Driven Drug Development

Formation Bio · Sep 2025

The company announced Louis Brenner as CMO, Daniel Neil as CTO, and Frank D'Amelio and Dashyant Dhanak as strategic advisors; it also described a goal of reaching 10-15 assets in three to five years.

Formation Bio Named to CNBC Disruptor 50

CNBC · Jun 2025

CNBC covered Formation Bio's valuation, its Muse collaboration with OpenAI and Sanofi, and the fact that it had not yet submitted a drug for regulatory approval.

About / teamCareersCompany blogCompany homepageContactGitHub organization (TrialSpark legacy name)Licensing & pipelineLinkedIn company pagePressroomTechnology
SourcesFormation Bio About UsFormation Bio TechnologyFormation Bio Licensing & PipelineFormation Bio CareersFormation Bio ContactFormation Bio AI-native pharma blogFormation Bio Series D announcementTechCrunch funding coverageFormation Bio leadership expansionFormation Bio Michael Ehlers appointmentFormation Bio LinkedInFormation Bio GitHubThird-party revenue estimateThird-party traffic and headcount estimate

Jobs and careers at Formation Bio

24 jobs at Formation Bio

Senior Data Engineer

On-site
Engineering
New York, NY; Boston, MA; San Francisco, CA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States; San Francisco, California, United States
Today
On-site
Full-time
Apply

Senior Software Engineer

On-site
Engineering
New York, NY; Boston, MA; San Francisco, CA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States; San Francisco, California, United States
Today
On-site
Full-time
Apply

Senior Site Reliability Engineer

On-site
Engineering
New York, NY; Boston, MA; San Francisco, CA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States; San Francisco, California, United States
Today
On-site
Full-time
Apply

Senior Software Engineer II, Trial Engine

On-site
Engineering
New York, NY; Boston, MA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
2w ago
On-site
Full-time
Apply

Engineering Manager, Infrastructure

On-site
Engineering
New York, NY; Boston, MA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
2w ago
On-site
Full-time
Apply

Associate Director, Data Engineering

On-site
Engineering
New York, NY; Boston, MA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
2w ago
On-site
Full-time
Apply

Associate Director/Director, Digital Quality

On-site
Quality Assurance
Boston, MA; New York, NY; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
3w ago
On-site
Full-time
Apply

Director/Senior Director, Product - Applied Data Science

On-site
Product
New York, NY; Boston, MA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
4w ago
On-site
Full-time
Apply

Director, Financial Reporting

On-site
Finance
New York, NY; Boston, MA; Boston, Massachusetts, United States; Manhattan, New York, 10011, New York, United States
4w ago
On-site
Full-time
Apply

Lead Technical Recruiter

On-site
People
New York, NY; Boston, MA
1mo ago
On-site
Full-time
Apply

Associate Director, GMP Quality

On-site
Quality Assurance
Boston, MA; New York, NY
2mo ago
On-site
Full-time
Apply

Senior Data Scientist - Real World Data

On-site
Engineering
New York, NY; Boston, MA; San Francisco, CA; Raleigh-Durham, NC
3mo ago
On-site
Full-time
Apply

Director, Brand & Communications

On-site
Marketing
New York, NY; Boston, MA
3mo ago
On-site
Full-time
Apply

Senior Director or Vice President, Product

On-site
Product
New York, NY; Boston MA
3mo ago
On-site
Full-time
Apply

Director/Senior Director of Asset Quality Assurance

On-site
Quality Assurance
New York, NY; Boston, MA
3mo ago
On-site
Full-time
Apply

Associate Director, Data Engineering (Real World Data)

On-site
Data Science
Boston, MA; New York, NY
4mo ago
On-site
Full-time
Apply

Director, Data Science

On-site
Data Science
Boston, MA; New York, NY
4mo ago
On-site
Full-time
Apply

Principal Data Scientist

On-site
Data Science
New York, NY; Boston, MA
4mo ago
On-site
Full-time
Apply

Senior Director, Pharmacology

On-site
Clinical Development
New York, NY; Boston, MA
5mo ago
On-site
Full-time
Apply

Director, Business Development - Search & Evaluation

On-site
Business Development
Boston, MA
5mo ago
On-site
Full-time
Apply

Senior Data Scientist, Medical Imaging

On-site
Data Science
Boston, MA; New York, NY
5mo ago
On-site
Full-time
Apply

Principal Data Scientist, Medical Imaging

On-site
Data Science
New York, NY; Boston, MA
5mo ago
On-site
Full-time
Apply

Associate Director, Bioanalytical Development

On-site
CMC
New York, NY; Boston, MA
5mo ago
On-site
Full-time
Apply

Senior Data Scientist

On-site
Data Science
New York, NY; Boston, MA
5mo ago
On-site
Full-time
Apply

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