Chesapeake Energy Corp. has appointed R. Brad Martin as non-executive chairman of the company’s board of directors, effective immediately, a news release said. As part of the transition, Archie W. Dunham will remain a director and has been named chairman emeritus.

DEA Group and LetterOne didn’t give financial details, but a LetterOne spokesman confirmed the sale. In April, Britain's Energy Ministry gave Fridman six months to dispose of fields, Reuters said.

Majority of 200 jobs to be cut will be in the Adelaide headquarters. Recently, 565 jobs were cut. Santos is streamlining eastern Australia business, including Cooper Basin operations, Reuters said. 

In 2003, David Glendinning became president of Teekay Gas Services division. Prior to joining Teekay, he worked at sea on oil tankers for 18 years. Glendinning is a Master Mariner.

Boyaci will be responsible for working directly with clients as well as alongside members of the sales, engineering and marketing team to support company-wide growth opportunities.

The news is in line with the company’s succession planning strategy. AWE said it has begun a search for a new CEO.

Most recently, Matt McIntosh was the Chevron key account manager for FMC Technologies Inc., handling account strategies, managing regional account teams and leading all sales efforts.

An official, who asked not to be named, said businessman Jide Omokore was being investigated in connection with a crackdown on corruption in the oil sector that has swept up former oil minister Diezani Alison-Madueke, who was arrested last week in London.

PESA has named Ryan Bowley as the group’s vice president, operations and external affairs, and Molly Smart as vice president, communications and member relations, according to a news release.

Marvin J. Migura joined Oceaneering in 1995 as senior vice president and CFO and was appointed as executive vice president in 2011. Migura will remain a senior vice president.

Kay Priestly retired from Turquoise Hill in December 2014, having become CEO in May 2012. Prior to that, she was CFO of Rio Tinto’s global copper product group.

Alison-Madueke was minister from 2010 until May 2015 under former president Goodluck Jonathan, who was defeated by Muhammadu Buhari at the polls in March.