What departments does Sema4 have?

Sema4 has employees across 15 departments including Operations, Business, Human Resources, Military & Protective Services, Finance.

What is the largest department at Sema4?

The largest department at Sema4 is Operations with 6 employees.

Where are Sema4 employees located globally?

Sema4 has employees across 6 continents and 7 countries including Uganda, India, United Kingdom Of Great Britain And Northern Ireland, Azerbaijan, United States Of America.

How has Sema4's team size changed over time?

Sema4's team has decreased from approximately 747 to 121 employees based on available data.

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Sema4 Employee Directory

Q: Who are Sema4's key employees and leadership?

Sema4's key employees include: Executive Assistant To Chief Executive Officer: L. M., Cso: L. H., Cro, Chief Revenue Cycle Officer: T. S., Chief Operating Officer: J. M., Chief Business Officer: K. S..

Biotechnology ResearchConnecticut, United States51-200 Employees

Sema4 is a biotechnology research company based in Stamford, Connecticut. It focuses on patient-centered health intelligence, applying artificial intelligence and machine learning to longitudinal clinical and genomic data to build dynamic models of health and individualized health trajectories. The company’s Centrellis health intelligence platform supports a more complete understanding of disease and wellness and informs science-driven solutions to pressing medical needs.

Operating at the intersection of biotechnology and data science, Sema4 aims to advance healthcare through data-driven insights while treating patients as partners and endorsing data sharing for the benefit of all. A notable recent development is the November 2024 announcement of the general availability of a full-stack AI agent platform from Sema4.ai, reflecting an expansion of its AI capabilities for enterprise work.

Sema4 Global Highlights

North America
434

United States Of America
434

Europe
10

United Kingdom Of Great Britain And Northern Ireland
9
Azerbaijan
1

Africa
1

Uganda
1

Asia
1

India
1

Oceania
1

Australia
1

South America
1

Brazil
1

Sema4's Leadership

L. H.
Cso
Mobile Phone
Email
T. S.
Cro, Chief Revenue Cycle Officer
Mobile Phone
Email
J. M.
Chief Operating Officer
Mobile Phone
Email
K. S.
Chief Business Officer
Mobile Phone
Email
K. W.
Chief People Officer
Mobile Phone
Email
M. P.
Chief Financial Officer
Mobile Phone
Email
T. N.
Chief Commercial Officer
Mobile Phone
Email
W. O.
Chief Medical Science Officer
Mobile Phone
Email

Sema4 Employee Metrics

100%

50%

2026

2025

Information Technology
Research
Sales
Engineering
Customer Success
Other
Analytics
Biotechnology
Community & Social Services
Arts & Design

Contact profiles from Sema4

Name

Title

Contact Info

Location

Last Update

D. A.
President Owner
Mobile Phone
Email
United States
Oct 21, 2024
J. C.
President And Chief Operating Officer
Mobile Phone
Email
United StatesFlorida
Mar 02, 2026
J. S.
Owner
Mobile Phone
Email
United StatesArkansas
Oct 17, 2024
J. M.
Chief Operating Officer
Mobile Phone
Email
Oct 17, 2024
K. S.
Chief Business Officer
Mobile Phone
Email
AustraliaNew South Wales
May 18, 2026
K. W.
Chief People Officer
Mobile Phone
Email
Sep 14, 2025
L. H.
Cso
Mobile Phone
Email
Oct 22, 2024
L. M.
Executive Assistant To Chief Executive Officer
Mobile Phone
Email
Apr 04, 2024
M. R.
Cofounder And Chief Financial Officer
Mobile Phone
Email
Oct 22, 2024
M. P.
Chief Financial Officer
Mobile Phone
Email
UNITED KINGDOMEssex
Oct 31, 2023

Frequently Asked Questions

What is Sema4 known for?

Sema4 was founded in 2017 operates in the Biotechnology Research industry. The company's main headquarters is located in 333 Ludlow Street Stamford, Connecticut 06902 United States. Explore Sema4's company overview page for more information.

What is Sema4's most common email format?

Sema4 employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Sema4 email formats with LeadIQ.

How many employees does Sema4 have currently?

Sema4 has approximately 142 employees as of June 2026. These team members are located across 6 continents, including North AmericaEuropeAfrica.

Who are Sema4's key employees and leadership?

As of June 2026, Sema4's key employees include:

Cso: L. H.
Cro, Chief Revenue Cycle Officer: T. S.
Chief Operating Officer: J. M.
Chief Business Officer: K. S.
Chief People Officer: K. W.

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Sema4 Employee Directory

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