SemGroup Corporation Employee Directory

Oil and GasUnited States501-1000 Employees

SemGroup® Corporation (NYSE:SEMG) moves energy across North America through a network of pipelines, processing plants, refinery-connected storage facilities and deep-water marine terminals with import and export capabilities. SemGroup serves as a versatile connection between upstream oil and gas producers and downstream refiners and end users. Key areas of operation and growth include western Canada, the Mid-Continent and the Gulf Coast. SemGroup is committed to safe, environmentally sound operations. Headquartered in Tulsa, Okla., the company has additional offices in Calgary, Alberta; Platteville, Colo.; and Houston, Texas.

Find SemGroup Corporation employees' phone numbers or email addresses

SemGroup Corporation Global Highlights

North America
233

United States Of America
219
Canada
9
Mexico
5

Europe
4

United Kingdom Of Great Britain And Northern Ireland
4

Oceania
2

Australia
2

South America
2

Ecuador
2

Asia
1

Mongolia
1

SemGroup Corporation's Leadership

T. S.
Chief Accounting Officer And Vice President Controller
Mobile Phone
Email
C. E. M.
Chief Inspector
Mobile Phone
Email
C. C.
Vice President And General Counsel
Mobile Phone
Email
T. W.
Vice President Accounting And Controller
Mobile Phone
Email
T. O.
Vice President Corporate Planning
Mobile Phone
Email
K. N.
Executive Assistant - Chief Executive Officer
Mobile Phone
Email
S. P.
Coo
Mobile Phone
Email
B. J.
President
Mobile Phone
Email

SemGroup Corporation Employee Metrics

100%

50%

2025

2024

Accounting
Analytics
Operations
Marketing
Engineering
Other
Information Technology
Administrative
Finance

Contact profiles from SemGroup Corporation

Name

Title

Contact Info

Location

Last Update

T. W.
Vice President Accounting And Controller
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
T. O.
Vice President Corporate Planning
Mobile Phone
Email
Oct 16, 2024
A. H.
Controller
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
C. T.
Director
Mobile Phone
Email
UNITED KINGDOMDYFED
Apr 10, 2023
J. G.
Director
Mobile Phone
Email
Oct 16, 2024
J. L.
Independent Director
Mobile Phone
Email
Oct 17, 2024
J. B.
Tax Director
Mobile Phone
Email
United StatesOklahoma
Oct 22, 2024
J. L.
Controller And Human Resources Manager
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
J. T.
Director Of Engineering And Construction
Mobile Phone
Email
UNITED STATES
Mar 07, 2023
K. K.
Independent Director
Mobile Phone
Email
Oct 16, 2024

Frequently Asked Questions

What is SemGroup Corporation known for?

SemGroup Corporation operates in the Oil and Gas industry. The company's main headquarters is located in 6120 S Yale Ave, Tulsa, Oklahoma, US. Explore SemGroup Corporation's company overview page for more information.

What is SemGroup Corporation's most common email format?

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

How many employees does SemGroup Corporation have currently?

SemGroup Corporation has approximately 501 employees as of October 2025. These team members are located across 5 continents, including North AmericaEuropeOceania.

Who are SemGroup Corporation's key employees and leadership?

As of October 2025, SemGroup Corporation's key employees include:

Chief Accounting Officer And Vice President Controller: T. S.
Chief Inspector: C. E. M.
Vice President And General Counsel: C. C.
Vice President Accounting And Controller: T. W.
Vice President Corporate Planning: T. O.

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