SUMCO Employee Directory

Q: How many employees does SUMCO have currently?

SUMCO has approximately 608 employees.

Semiconductor ManufacturingArizona, United States501-1000 Employees

SUMCO Phoenix Corporation manufactures electronic-grade silicon wafers for the semiconductor industry. Our wafers are used by companies all over the world to make integrated circuits and semiconductor devices that power a myriad of electronic products, from computers to cell phones, digital watches to automobile engine systems.

Find SUMCO employees' phone numbers or email addresses

SUMCO Global Highlights

North America
348

United States Of America
346
Dominican Republic
2

Asia
44

Japan
24
Indonesia
18
Singapore
2

Europe
10

United Kingdom Of Great Britain And Northern Ireland
5
France
3
Italy
1
Ireland
1

South America
1

Ecuador
1

SUMCO's Leadership

C. T.
Chief Executive Officer
Mobile Phone
Email
J. R.
Chief Executive Officer
Mobile Phone
Email
C. N.
Vice President Technical Marketing
Mobile Phone
Email
B. R.
President And Chief Executive Officer
Mobile Phone
Email
J. P.
President
Mobile Phone
Email
L. R.
President
Mobile Phone
Email
D. R.
Head Of Department
Mobile Phone
Email
C. H.
Founder
Mobile Phone
Email

SUMCO Employee Metrics

100%

50%

2026

2025

2024

Engineering
Quality Assurance
Information Technology
Manufacturing
Sales
Other
Analytics
Administrative
Accounting
Business
Supply Chain

Contact profiles from SUMCO

Name

Title

Contact Info

Location

Last Update

J. C.
Director Of Business Development
Mobile Phone
Email
Oct 23, 2024
L. C.
Controller
Mobile Phone
Email
Aug 17, 2023
M. B.
Controller
Mobile Phone
Email
United StatesArizona
Nov 14, 2024
N. M.
Director Sales Planning
Mobile Phone
Email
Oct 17, 2024
R. C.
Director Human Resources
Mobile Phone
Email
Oct 16, 2024
W. N.
Director-National Accounts
Mobile Phone
Email
Oct 23, 2024
M. G.
Senior Ehs Manager
Mobile Phone
Email
United StatesArizona
Dec 03, 2025
A. R.
Corporate Manager Of Software Development
Mobile Phone
Email
United StatesArizona
Oct 13, 2025
G. L.
Quality Assurance Manager
Mobile Phone
Email
Oct 20, 2025
B. K.
Assistant Manager, Supply Chain Department
Mobile Phone
Email
United KingdomEngland
Jan 28, 2026

Frequently Asked Questions

What is SUMCO known for?

SUMCO operates in the Semiconductor Manufacturing industry. The company's main headquarters is located in Phoenix, Arizona 85050 United States; you can contact the main corporate office by phone at

+1-480-473-****

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

What is SUMCO's most common email format?

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

How many employees does SUMCO have currently?

SUMCO has approximately 608 employees as of February 2026. These team members are located across 4 continents, including North AmericaAsiaEurope.

Who are SUMCO's key employees and leadership?

As of February 2026, SUMCO's key employees include:

Chief Executive Officer: C. T.
Chief Executive Officer: J. R.
Vice President Technical Marketing: C. N.
President And Chief Executive Officer: B. R.
President: J. P.

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