Third Pole Therapeutics

Third Pole Therapeutics is a medical technology company based in Waltham, Massachusetts, focused on developing advanced cardiopulmonary therapies. Founded in 2014 by Professor Warren Zapol and his son, the company specializes in inhaled nitric oxide (NO) delivery systems. Their mission is to enhance respiratory care by making inhaled NO more accessible, particularly for underserved and rural communities. The company's flagship product, the eNOfit™ Portable Inhaled Nitric Oxide Delivery System, generates therapeutic NO on-demand from ambient air. This compact, electrically powered device eliminates the need for large gas cylinders, reducing costs and logistical challenges. It is designed for both hospital use and at-home therapy, targeting conditions such as newborn respiratory failure and chronic obstructive pulmonary disease (COPD). Third Pole Therapeutics is committed to improving treatment options for patients with respiratory failure and chronic lung conditions through ongoing clinical trials and innovative technology.

Medical Devices Waltham, United States Founded 2014 ~34 employees

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Employees
34
+6.3% in the 3 months to Jun 2025
Total funding
$94.5M
Last round Mar 2024
12-month attrition
51.3%
Tech: 66.3%
H1B sponsor
NA

Headcount trend

Third Pole Therapeutics went from 74 employees in Jul 2023 to 34 in Jun 2025. Jan to Jun 2025: 2 people joined, 2 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other14
Engineering10
Operations7
Finance1
Marketing1
Product1

Funding

  • Mar 2024 · $16.9M
  • Dec 2022 · Series B · $32M
  • Feb 2022 · $25M
  • Apr 2021 · Debt Financing · $15M · Avenue Venture Opportunities Fund, L.P
  • Jun 2016 · Venture · $5.7M

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Third Pole Therapeutics FAQ

How many employees does Third Pole Therapeutics have?

Third Pole Therapeutics has about 34 employees, up 6.3% over the 3 months to Jun 2025.

How much funding has Third Pole Therapeutics raised?

Third Pole Therapeutics has raised $94.54M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.