Tendeka, the provider of completions and reservoir monitoring products and services to the upstream oil and gas industry, is delighted to announce the promotions of two key personnel. Gillian King, SPE, has been appointed vice president Asia Pacific region and Derren Simpson, SPE, has been appointed vice president Middle East and North Africa. Gillian joined Tendeka as senior sales engineer in January 2007. She then progressed to regional sales manager Europe before becoming area manager for Asia Pacific (South) in 2010.