Stämm

Biotechnology ResearchSan Francisco, California, United StatesFounded 2016147 employees$17M raised

Stämm develops automated biomanufacturing systems for biologics and cell therapies. The company has raised $17M, most recently in a Series B round in April 2023, and employs 147 people.

9%
9% of analysed staff worked at University of Buenos Aires before joining. No other company feeds Stämm more.
mAbxience
mAbxience is the most common next stop for people leaving Stämm (4 alumni).
Employees
147
Total raised
$17M
Last: Series B
Site visitors
3K
per month
Alumni founders
4
companies started

The growth story

Stämm headcount and funding147 people today
229$17M1472020202120222023202420252026
Data by CrustdataCrustdata

Stämm grew from 32 to 147 employees between 2020 and 2026, raising $17M along the way, most recently a Series B in April 2023.

About

Stämm builds modular, automated systems for biopharmaceutical production, targeting manufacturers of biologics and cell therapies. Its technology aims to make biomanufacturing more efficient and scalable.

The company has grown to 147 employees and raised $17M in funding, with its latest Series B round closing in April 2023. Its investor base includes Draper Associates and AIR Capital.

Founders and leadership

Engineering is Stämm's largest function, with 9 employees identified in that role. The company operates with a median tenure of 3 years, suggesting moderate employee retention.

The Stämm org chart

Yuyo Llamazares Vegh (CEO & Founder) leads 19 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.

Departments, and which ones grew

Headcount by functiongrowth vs 12 months ago
EEngineering
29-29%
OOperations
22-4%
RResearch
14-26%
PProduct Management
13+8%
IInformation Technology
7-42%
AArts and Design
60%
BBusiness Development
6+50%
PPurchasing
4-43%
HHuman Resources
4+33%
Data by CrustdataCrustdata

Headcount by function: Engineering 29 (-29% YoY), Operations 22 (-4% YoY), Research 14 (-26% YoY), Product Management 13 (+8% YoY), Information Technology 7 (-42% YoY), Arts and Design 6 (0% YoY).

Talent flow

Stämm recruits heavily from Argentine institutions, with the University of Buenos Aires supplying 32 employees. Alumni frequently move to pharmaceutical services firms like Syneos Health and IQVIA.

Where Stämm people come from, and where they go129 current + 163 former profiles
12 people: University of Buenos Aires → Stämm10 people: CONICET → Stämm4 people: Facultad de Ciencias Exactas y Naturales, UBA → Stämm3 people: Facultad de Agronomía - Universidad de Buenos Aires → Stämm3 people: CNEA → Stämm3 people: Universidad Nacional de Quilmes → Stämm3 people: Universidad Nacional de San Martín → Stämm3 people: Siemens → Stämm4 people: Stämm → mAbxience4 people: Stämm → ZS4 people: Stämm → Syneos Health3 people: Stämm → IQVIA2 people: Stämm → Universidad Torcuato Di Tella2 people: Stämm → Natural Negative2 people: Stämm → Chevron2 people: Stämm → FiberlyStämm147 peopleCAME FROMWENT TOUniversity of Bueno…12 peopleCONICET10 peopleFacultad de Ciencia…4 peopleFacultad de Agronom…3 peopleCNEA3 peopleUniversidad Naciona…3 peopleUniversidad Naciona…3 peopleSiemens3 peoplemAbxience4 peopleZS4 peopleSyneos Health4 peopleIQVIA3 peopleUniversidad Torcuat…2 peopleNatural Negative2 peopleChevron2 peopleFiberly2 people
Data by CrustdataCrustdata

Most common previous employers of Stämm staff: University of Buenos Aires (12), CONICET (10), Facultad de Ciencias Exactas y Naturales, UBA (4), Facultad de Agronomía - Universidad de Buenos Aires (3), CNEA (3), Universidad Nacional de Quilmes (3). Former Stämm employees most often moved to mAbxience (4), ZS (4), Syneos Health (4), IQVIA (3), Universidad Torcuato Di Tella (2), Natural Negative (2).

Alumni worth knowing

The Stämm mafia

Stämm alumni have founded 4 companies, including Natural Negative (6 staff) and Kuvia AI (5 staff).

Phoebe Heseltine, PhDSrikumar (Kumar) Krishnamoorthy, Ph.D.Martina BelluominiManuela AlanisOctavio Garate5
founders left Stämm and started 4 companies, employing 14 people between them

6 employees
Phoebe Heseltine, PhD, was Innovation Fellow until 2023
Srikumar (Kumar) Krishnamoorthy, Ph.D., was Innovation Consultant until 2024
5 employees
Martina Belluomini, was Microfluidics specialist until 2025
2 employees
Manuela Alanis, was Product Leader & Microfluidic Engineer until 2024
1 employees
Octavio Garate, was Nanosystems Department Leader until 2025

Web traffic

stamm.bio monthly visitors-9% month over month
3289,41118,4942,764202420252026
Data by CrustdataCrustdata

Traffic mix: 46% direct, 38% search, 5% social, 1% paid.

What this company is made of

Headcount by skillwhat people list on their profiles
EEnglish
74
TTeamwork
66
MMicrosoft Office
58
PProject Management
45
RResearch Skills
43
MMicrosoft Excel
42
LLeadership
40
RResearch and Development (R&D)
39
AAnalytical Skills
38
PPython (Programming Language)
37
Data by CrustdataCrustdata

Most common skills at Stämm: English (74), Teamwork (66), Microsoft Office (58), Project Management (45), Research Skills (43), Microsoft Excel (42), Leadership (40), Research and Development (R&D) (39).

Where the team actually sits

Headcount by regionHQ: San Francisco, California, United States
BBuenos Aires Province, Argentina
58
AArgentina
56
GGreater Buenos Aires
12
CCalifornia, United States
1
GGermany
1
UUnited States
1
Data by CrustdataCrustdata

Stämm people are concentrated in Buenos Aires Province, Argentina (58), Argentina (56), Greater Buenos Aires (12), California, United States (1). 2 offices on record.

Search footprint

Organic clicks
67
per month
Traffic worth
$0K
if bought as ads
Ranking keywords
44

Stämm attracts about 67 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 5 ranking keywords and lost 12 in the last period.

What employees say

Compensation
2.50 / 5
Career opportunities
3.10 / 5
Senior management
2.90 / 5
Work-life balance
3.10 / 5

Frequently asked

How many employees does Stämm have?

Stämm has 147 employees as of September 2026.

How much has Stämm raised?

Stämm has raised $17M in total, most recently a Series B round in April 2023.

Who founded Stämm?

Stämm was founded in 2016 by Yuyo Llamazares Vegh, Federico D'Alvia Vegh.

Who is the CEO of Stämm?

Yuyo Llamazares Vegh (CEO & Founder) sits at the top of Stämm's reporting structure, with 6 direct reports.

Where does Stämm hire from?

The most common previous employers of current Stämm staff are University of Buenos Aires (12 people), CONICET (10 people), Facultad de Ciencias Exactas y Naturales, UBA (4 people).

Where do Stämm employees go after leaving?

Former Stämm employees most often move to mAbxience (4), ZS (4), Syneos Health (4).

What companies were founded by ex-Stämm employees?

At least 4 companies have a founder who previously worked at Stämm, including Natural Negative, Kuvia AI, Odycell.

How much traffic does Stämm get from search?

Stämm attracts about 67 organic search visits a month, worth roughly $0K a month in equivalent ad spend.

What skills do people at Stämm have?

The most common skills among Stämm staff are English, Teamwork, Microsoft Office, Project Management, Research Skills.

Where is Stämm's team located?

Stämm staff are concentrated in Buenos Aires Province, Argentina (58), Argentina (56), Greater Buenos Aires (12).

How big is Stämm's engineering team?

Stämm has about 29 people in Engineering, down 29% over the past year, as of September 2026.

How big is Stämm's operations team?

Stämm has about 22 people in Operations, down 4% over the past year, as of September 2026.

Computed from 129 current and 163 former Stämm profiles, as of September 2026. Source: Crustdata.

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