John K. Castleberry

John K. Castleberry

Chief Executive Officer at Williston Basin Interstate Pipeline Co.

69 year
Utilities
Health Services

Profile

John K.
Castleberry
has been an Executive Vice President of Administration for MDU Resources Group, Inc. since March 4, 2006 and President and Chief Executive Officer of WBI Holdings, Inc. and Williston Basin Interstate Pipeline Co. since November 1998.

John K. Castleberry active positions

CompaniesPositionStart
Chief Executive Officer 1998-10-31
All active positions of John K. Castleberry

Former positions of John K. Castleberry

CompaniesPositionEnd
MDU RESOURCES GROUP, INC. Chief Administrative Officer 2007-07-05
Chairman -
Chief Executive Officer -
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Experiences
Positions held

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Private companies

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Connections

13

1st degree connections

4

1st degree companies

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Female

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Linked companies

Listed companies1
MDU RESOURCES GROUP, INC.

Utilities

Private companies3

Utilities

Utilities

Health Services

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