John Castle – Biography
Last update: April 13, 2026Executive profile
John Castle is currently
Director at Shelf Drilling - View - Shelf Drilling org chart
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Social media
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The colleagues of John Castle
Company Colleagues
- At Shelf Drilling, John Castle has 28 colleagues including Greg O'Brien (CEO), Steven Becker (Director)…
Homonyms
- John Castleman - Chief Executive Officer and Director - Bridgenext
- John Castle - Chairman of the Board and Chief Executive Officer - Castle Harlan
- John Castle - President and Chief Executive Officer - Mears Transportation
- John Castle - Chief Data and Information Officer - Monte Rosa Therapeutics
- John Castles - Chief Product Officer - RenPSG
- John Castle - Chairman of the Board - Southern Michigan Bancorp
- John Castle - Chairman of the Board - Southern Michigan Bank & Trust
- John Castleman - Director - WinWire
- View all the 8 org charts > Close
Industry Colleagues
- In the Oil & Gas industry, John Castle has 23,563 colleagues in 1,348 companies located in 105 countries. 12,234 executive movements have been recorded in the last 12 months. Learn more about Oil & Gas.
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Get in Touch
Here are a few tips for establishing great contacts.
Through the switchboard, call Shelf Drilling at +971 ... and ask for John Castle.
