BrainCo Inc
BrainCo develops brainwave technology applications for education, wellness and research. The Somerville-based biotech firm has raised $1.2B and employs 113 people across four global offices.
The growth story
BrainCo Inc grew from 107 to 113 employees between 2022 and 2026, raising $1.2B along the way, most recently a Series B in January 2026.
About
BrainCo creates products that use brainwave monitoring to improve focus, learning and mental health. Its technology serves schools, researchers and individuals seeking cognitive enhancement tools.
The company has scaled from a small apartment team to over 100 employees since its 2015 founding. With $1.2B in funding, including a Series B round in 2026, BrainCo has expanded to four international offices while maintaining a median employee tenure of seven years.
Founders and leadership
Engineering is BrainCo's largest function, with nine team members. The company operates with a lean structure across its four global offices, maintaining deep neuroscience expertise from its leadership team.
The BrainCo Inc org chart
Márcia dos Santos da Rosa (Chief Executive Officer) leads 21 mapped leaders with 3 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 22 (+22% YoY), Research 14 (+75% YoY), Business Development 12 (+20% YoY), Marketing 10 (+11% YoY), Sales 8 (+14% YoY), Product Management 7 (0% YoY).
Talent flow
BrainCo recruits heavily from Harvard, Northeastern and Boston University, with five alumni from Harvard alone. Its employees frequently move to tech giants like Amazon, Google and ByteDance.
Most common previous employers of BrainCo Inc staff: XInhua News Agency (2), Harvard University (2), ByteDance (2), Carnegie Mellon University (2), WeWork (2), Gemini Personnel (1). Former BrainCo Inc employees most often moved to Amazon (6), Google (5), ByteDance (5), Goldman Sachs (3), Capital One (3), athenahealth (3).
Alumni worth knowing
The BrainCo Inc mafia
Five BrainCo alumni have founded companies, including Something New (139 employees) and Playbook (14 employees). These startups focus on areas like education technology and neurofeedback systems.
5Vincent Jiang, was Founding Engineer until 2016Junqing Qiao, was Technical Lead until 2019Qi (Cecilia) F., was Corporate Strategy Intern until 2019Shuai Tang, was Marketing Intern until 2016Hiring now
Web traffic
Traffic mix: 48% direct, 36% search, 7% social, 1% paid.
What this company is made of
Most common skills at BrainCo Inc: Microsoft Office (30), Data Analysis (26), Python (Programming Language) (23), Research Skills (23), Leadership (22), Microsoft Excel (21), MATLAB (19), Microsoft PowerPoint (19).
Where the team actually sits
BrainCo Inc people are concentrated in Massachusetts, United States (20), Guangdong, China (9), Greater Boston (8), United States (4).
Search footprint
BrainCo Inc attracts about 339 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 26 ranking keywords and lost 48 in the last period.
What employees say
- Compensation
- 2.90 / 5
- Career opportunities
- 3.60 / 5
- Senior management
- 3.50 / 5
- Work-life balance
- 3.60 / 5
Frequently asked
BrainCo Inc has 113 employees as of September 2026.
BrainCo Inc has raised $1.2B in total, most recently a Series B round in January 2026.
Márcia dos Santos da Rosa (Chief Executive Officer) sits at the top of BrainCo Inc's reporting structure, with 3 direct reports.
The most common previous employers of current BrainCo Inc staff are XInhua News Agency (2 people), Harvard University (2 people), ByteDance (2 people).
Former BrainCo Inc employees most often move to Amazon (6), Google (5), ByteDance (5).
At least 5 companies have a founder who previously worked at BrainCo Inc, including Something new, Playbook, InnateControl.
BrainCo Inc attracts about 339 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among BrainCo Inc staff are Microsoft Office, Data Analysis, Python (Programming Language), Research Skills, Leadership.
BrainCo Inc staff are concentrated in Massachusetts, United States (20), Guangdong, China (9), Greater Boston (8).
BrainCo Inc has about 22 people in Engineering, up 22% over the past year, as of September 2026.
BrainCo Inc has about 14 people in Research, up 75% over the past year, as of September 2026.
Computed from 54 current and 291 former BrainCo Inc profiles, as of September 2026. Source: Crustdata.
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