Brook Inc.

A digital health management platform that combines data collection and analysis with live support from experts to help individuals manage chronic conditions.

Healthcare Technology Systems
Active
Seattle, United States Founded 2015
Last updated 2026-08-24
Total raised
$52.0M
Stage
—
Founded
2015
Headcount
105
HQ
Seattle, United States
Sector
Healthcare Technology Systems

About

Brook Inc. is a Seattle-based company that provides an AI and human-powered care infrastructure for continuous remote care for patients with chronic conditions. Their platform, the Brook Health Companion, integrates intelligent data collection and analysis with compassionate support from skilled nutritionists and certified experts in conditions such as diabetes and hypertension. Brook partners with health systems, clinics, and risk-bearing organizations to improve outcomes, reduce avoidable utilization, and scale reimbursable care programs.

Funding history · 4 rounds · $52.0M total

4 events/rounds · $52.0M Total Funding: $52.0M in Private Equity
May 2026
C Round $20.0M startersss.com ↗
Oct 2025
B Round $28.0M prnewswire.com ↗
★ Morningside★ UMass Memorial Health
Jun 2018
Seed $4.0M geekwire.com ↗
★ Independent HealthKeiretsu ForumDMV Angel GroupCalterra CapitalMorningside GroupUMass Memorial Health Care
Jul 2017
Pre-Seed Undisclosed pitchbook.com

Headcount over time

105 employees (2026-09) · 1 point
105 105 2026-09

Offices

Seattle, United States · HQ / main office

Q&A

What is Brook Inc.'s primary sector?
Brook Inc.'s primary sector is Healthcare Technology.
When was Brook Inc. founded?
Brook Inc. was founded in 2015.
What is Brook Inc.'s one-liner description?
Brook Inc. is a digital health management platform that combines data collection and analysis with live support from experts to help individuals manage chronic conditions.
Where is Brook Inc. headquartered?
Brook Inc. is headquartered in Seattle, United States.
Who are the co-founders of Brook Inc.?
The co-founders of Brook Inc. are Oren Nissim (Co-founder & CEO) and Kit Macgillivray (Co-founder and Chief Product Officer).
What was Brook Inc.'s most recent funding round?
Brook Inc. secured a C Round of $20,000,000 in May 2026.
When did Brook Inc. raise its B Round funding, and who were the lead investors?
Brook Inc. raised a B Round of $28,000,000 in October 2025, led by Morningside Group.
What is the total amount of funding raised by Brook Inc. to date?
Brook Inc. has raised a total of $52,000,000 in funding.

Team · 3

Oren Nissim
Founder · Chief Executive Officer, Co-founder
Kit Macgillivray
Founder · Chief Product Officer, Co-founder
Mike Merrill
Chief Medical Officer

Sectors & technology

Primary sector
Healthcare Technology Systems
Technologies
Target customers
Business model
B2B
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

External links

Websitebrook.ai

Identifiers & details

Founded2015
Employees (exact)105

Radar intelligence

Patents

EPO1634

Web history (Wayback)

Domainbrook.ai