What departments does ESS have?

ESS has employees across 5 departments including Entrepreneurship, Business Development, Engineering, Education, Solutions Engineering.

What is the largest department at ESS?

The largest department at ESS is Entrepreneurship with 2 employees.

Where are ESS employees located globally?

ESS has employees across 5 continents and 10 countries including South Africa, India, Bangladesh, Pakistan, United Kingdom Of Great Britain And Northern Ireland.

How has ESS's team size changed over time?

ESS's team has decreased from approximately 231 to 114 employees based on available data.

Learn more at LeadIQ.com

ESS Employee Directory

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

ESS's key employees include: Chief Executive Officer: S. S., Chief Executive Officer: J. R.

Renewable Energy Semiconductor ManufacturingOregon, United States201-500 Employees

ESS Tech, Inc. designs and manufactures long-duration energy storage solutions. The company relies on iron-flow storage technology, using iron, salt, and water to deliver durable, flexible storage. Founded in 2011 and based in Wilsonville, Oregon, it operates within the renewable energy semiconductor manufacturing space.

Its storage solutions are aimed at helping customers meet growing energy demand while maximizing the use of renewable energy and improving system reliability. As a mid-sized company, ESS positions itself to support decarbonization efforts through longer-lasting energy storage.

ESS Global Highlights

North America
184

United States Of America
184

Asia
5

India
3
Bangladesh
1
Pakistan
1

Europe
4

United Kingdom Of Great Britain And Northern Ireland
2
Spain
1
Malta
1

Oceania
3

Australia
2
New Zealand
1

Africa
1

South Africa
1

ESS's Leadership

S. S.
Chief Executive Officer
Mobile Phone
Email
J. R.
Chief Executive Officer
Mobile Phone
Email
C. H.
Owner
Mobile Phone
Email
A. Z.
Senior Director Of Strategic Partnerships
Mobile Phone
Email
M. D.
Executive Director
Mobile Phone
Email
E. C.
General Manager
Mobile Phone
Email
J. W.
Senior Hardware Engineering Manager
Mobile Phone
Email
T. S.
Principal
Mobile Phone
Email

ESS Employee Metrics

100%

50%

2026

2025

Engineering
Manufacturing
Operations
Research
Analytics
Other
Sales
Quality Assurance
Accounting
Education
Human Resources
Program & Project Management
Finance
Supply Chain
Business Development
Product Management
Entrepreneurship

Contact profiles from ESS

Name

Title

Contact

Location

Last Update

S. S.
Chief Executive Officer
Mobile Phone
Email
Pakistan
Sep 01, 2026
C. H.
Owner
Mobile Phone
Email
Oct 17, 2024
J. R.
Chief Executive Officer
Mobile Phone
Email
Oct 21, 2024
A. Z.
Senior Director Of Strategic Partnerships
Mobile Phone
Email
Jun 25, 2024
M. D.
Executive Director
Mobile Phone
Email
Oct 16, 2024
E. C.
General Manager
Mobile Phone
Email
Oct 23, 2024
J. W.
Senior Hardware Engineering Manager
Mobile Phone
Email
Jun 11, 2024
T. S.
Principal
Mobile Phone
Email
Oct 23, 2024
R. G.
Board Member
Mobile Phone
Email
Bay
Sep 01, 2026
C. V.
Siebel
Mobile Phone
Email
India, Andhra Pradesh
Oct 12, 2025

Frequently Asked Questions

What is ESS known for?

ESS was founded in 2011 and operates in the Renewable Energy Semiconductor Manufacturing industry. You can contact ESS's main corporate office by phone at

+1-855-423-****

. Explore ESS's company overview page for more information.

What is ESS's most common email format?

ESS employees' email format typically follows the pattern of First.Last@essinc.com. Trying to find reliable and up-to-date employee contact data? Find more ESS email formats with LeadIQ.

How many employees does ESS have currently?

ESS has approximately 301 employees as of August 2026. These team members are located across 5 continents, including North America, Asia and Europe.

Who are ESS's key employees and leadership?

As of August 2026, ESS's key employees include:

Chief Executive Officer: S. S.
Chief Executive Officer: J. R.
Owner: C. H.
Senior Director Of Strategic Partnerships: A. Z.
Executive Director: M. D.

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ESS Employee Directory

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