Tasso, Inc.
Tasso makes at-home blood collection devices that aim to simplify the process for patients. The Seattle-based company has raised $136M, including a Series B in December 2021, and employs 100 people.
The growth story
Tasso, Inc. grew from 73 to 100 employees between 2021 and 2026, raising $136M along the way, most recently a Series B in December 2021.
About
Tasso sells medical devices that let patients collect blood samples at home without needing a clinic visit. Its products target healthcare providers and patients who want more convenient testing options.
The company has raised $136M, including a Series B round in late 2021 backed by investors like Foresite Capital and D. E. Shaw. With 100 employees, Tasso draws engineering talent from medical device makers like Olympus and Medtronic.
Founders and leadership
Engineering is Tasso's largest function, with 12 employees. The company has a median tenure of 3 years, suggesting moderate turnover among its workforce.
The Tasso, Inc. org chart
Ben Casavant (Co-founder) leads 28 mapped leaders with 7 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 16 (-6% YoY), Operations 16 (+23% YoY), Business Development 9 (+13% YoY), Research 8 (-11% YoY), Finance 7 (0% YoY), Accounting 5 (0% YoY).
Talent flow
Tasso recruits from medical device firms like Olympus Respiratory America and Medtronic, as well as universities like Washington and Wisconsin-Madison. Alumni often move to healthcare companies like FUJIFILM Sonosite or tech firms like Amazon and Blue Origin.
Most common previous employers of Tasso, Inc. staff: Spiration, Inc. dba Olympus Respiratory America (3), University of Washington (3), Cardinal Health (2), Medtronic (2), University of Wisconsin-Madison (2), Everlywell (2). Former Tasso, Inc. employees most often moved to FUJIFILM Sonosite (4), Boeing (3), Blue Origin (3), Integrity Clinical Network (2), On Tap Consulting (2), Amazon (2).
Alumni worth knowing
The Tasso, Inc. mafia
Seven Tasso alumni have founded companies, including Healogics, which employs over 1,800 people, and smaller startups like Row Zero and Integrity Clinical Network.
8Pamela Mandel (Spaniac), was COO until 2023John Giammona, PhD, was Vice President of Business Development (Biopharma Partnerships) until 2024Kelsey Baker, MS, was Senior Director of BioPharma Partnerships until 2024Dan Snyder, was Head of Commerical Development until 2020Sinan S., was Senior Software Engineer until 2021
Dave Beebe, was Director until 2018
Mike Friend, was Director of Research & Development until 2024Hiring now
Web traffic
Traffic mix: 46% direct, 37% search, 10% social, 1% paid.
What this company is made of
Most common skills at Tasso, Inc.: Leadership (30), Microsoft Excel (26), Cross-functional Team Leadership (26), Microsoft Office (24), Medical Devices (23), Project Management (22), Management (19), Customer Service (19).
Where the team actually sits
Tasso, Inc. people are concentrated in Washington, United States (36), Greater Seattle Area (7), United States (3), New York, United States (2).
Search footprint
Tasso, Inc. attracts about 1,633 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 77 ranking keywords and lost 77 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.10 / 5
- Senior management
- 2.80 / 5
- Work-life balance
- 3.30 / 5
Frequently asked
Tasso, Inc. has 100 employees as of September 2026.
Tasso, Inc. has raised $136M in total, most recently a Series B round in December 2021.
Tasso, Inc. was founded in 2014 by Erwin Berthier, Ben Casavant.
Ben Casavant (Co-founder) sits at the top of Tasso, Inc.'s reporting structure, with 7 direct reports.
The most common previous employers of current Tasso, Inc. staff are Spiration, Inc. dba Olympus Respiratory America (3 people), University of Washington (3 people), Cardinal Health (2 people).
Former Tasso, Inc. employees most often move to FUJIFILM Sonosite (4), Boeing (3), Blue Origin (3).
At least 7 companies have a founder who previously worked at Tasso, Inc., including Healogics, Row Zero, Integrity Clinical Network.
Tasso, Inc. attracts about 1,633 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Tasso, Inc. staff are Leadership, Microsoft Excel, Cross-functional Team Leadership, Microsoft Office, Medical Devices.
Tasso, Inc. staff are concentrated in Washington, United States (36), Greater Seattle Area (7), United States (3).
Tasso, Inc. has about 16 people in Engineering, down 6% over the past year, as of September 2026.
Tasso, Inc. has about 16 people in Operations, up 23% over the past year, as of September 2026.
Computed from 60 current and 125 former Tasso, Inc. profiles, as of September 2026. Source: Crustdata.
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