Baker Hughes, a supplier of oilfield services, products, technology and systems to the oil and natural gas industry, has appointed Lynn Elsenhans to its board of directors. She will serve on the audit/ethics and governance committees.

Previously, Elsenhans served as executive chairman of Sunoco from January 2009 until May 2012, as well as chief executive officer and president from August 2008 until March 2012. She also served as chairman of Sunoco Logistics Partners from October 2008 until May 2012 and CEO from July 2010 until March 2012. She also worked for Royal Dutch Shell in various capacities for more than 28 years.

Elsenhans' appointment increases the board's size to 13 directors.