LyondellBasell announced that three senior executives Timothy D. Roberts, Patrick D. Quarles and Kevin W. Brown have all assumed expanded roles within the company. The changes, which are effective immediately, were announced by Bhavesh V. "Bob" Patel, who became chief executive officer and chairman of the Management Board on January 12, 2015. Timothy D. Roberts, formerly executive vice president Olefins & Polyolefins (O&P) Americas, is now executive vice president - Global O&P. In this new role, Roberts will have responsibility for the company's olefins and polyolefins businesses worldwide.

Roberts has been the business leader of O&P Americas since June 2011. Patrick D. Quarles, senior vice president - Intermediates and Derivatives (I&D) has been promoted to executive vice president - I&D, Supply Chain and Procurement. In addition to his current role as the business leader of the global intermediates and derivatives business, Quarles will now manage the Company's supply chain and procurement functions.

Kevin W. Brown, senior vice president - Refining, has been promoted to executive vice president - Manufacturing and Refining. In addition to leading the refining business, Global Engineering Services and Global Projects, Brown will now be responsible for all of the Company's manufacturing sites worldwide.