About Us: Leadership
John D. Romano
co-Chief Executive OfficerREAD MORE
Mr. Romano currently serves as co-Chief Executive Officer and is a member of the Tronox Board. Previous roles include Executive Vice President, Chief Commercial and Strategy Officer, Senior Vice President and President of the Company’s Pigment and Electrolytic operations, as well as Executive Vice President of Tronox Incorporated. He has held a variety of senior sales and marketing leadership positions at Tronox and its predecessor companies dating back to 1988. Mr. Romano holds a Bachelor’s degree in Accounting from Oklahoma State University.
co-Chief Executive OfficerREAD MORE
Mr. Turgeon currently serves as co-Chief Executive Officer and is a member of the Tronox Board. Mr. Turgeon previously served as Executive Vice President and Chief Operating Officer. He joined Tronox in January 2014 to integrate the mineral sands and pigment business. In addition, he has accountability for integrated business planning, technology, supply chain and capital investment including mine development. Mr. Turgeon brings decades of leadership experience in the global titanium dioxide business. He joined Tronox from the Rio Tinto Group, where he served for more than 24 years, culminating in his position as Managing Director of its iron and titanium division. Mr. Turgeon holds a Bachelor of Science degree in Chemical Engineering from Université Laval and a Master’s degree in Hydrometallurgy from McGill University.
Timothy C. Carlson
Senior Vice President, Chief Financial OfficerREAD MORE
Mr. Carlson joined Tronox in October 2016. He leads the company’s global finance group, including treasury, financial planning, accounting, controller, risk management and compliance & audit. Mr. Carlson previously served as the chief financial officer of a private equity-owned business where he led EBITDA improvement activities, improved internal controls, and standardized the company’s financial reporting and operating metrics. He was chief financial officer and treasurer of ATMI, Inc., a publicly traded global supplier of semiconductor materials and materials packaging and delivery systems used in the manufacturing of microelectronics devices. Earlier in his career, Mr. Carlson held a series of global finance, strategic planning, and auditing roles at various divisions of Campbell Soup Company. Mr. Carlson holds a Bachelor of Science degree in Economics from the Wharton School of the University of Pennsylvania and is a licensed certified public accountant.
Senior Vice President, Chief Human Resources OfficerREAD MORE
Mr. Mancini joined Tronox in April 2012 and has been responsible for the Human Resources organization, with a focus on talent acquisition, management and development, since 2018. His experience includes a wide range of leadership roles, including serving as chief operating officer of PICS Telecom, CFO of Current Group, a clean energy technology company, and CFO of One Communications. He was also CEO of ECI Conference Services, CEO and board chairman of Global Name Registry and general manager of GlobalCenter Europe. Mr. Mancini ran sales and marketing for Global Crossing Europe, M&A for Frontier Communications, and held positions in the Financial Advisory Services Group at Coopers & Lybrand and at SunTrust Banks. He holds a Bachelor of Science in Economics from Florida State University and an MBA from the Duke University Fuqua School of Business.
Senior Vice President, General Counsel and Corporate SecretaryREAD MORE
Mr. Neuman joined Tronox in April 2018. His most recent prior experience includes serving as vice president, corporate secretary and deputy general counsel of Honeywell International Inc. In that capacity, he oversaw many aspects of Honeywell’s corporate law department, including corporate governance, SEC and NYSE compliance, shareholder relations, corporate transactions, including mergers and acquisitions, treasury operations, and company-wide intellectual property and trademark functions. Earlier in his career, he worked as an M&A attorney with the New York law firm of Davis Polk & Wardwell. Prior to becoming an attorney, Mr. Neuman was an investment banker at Merrill Lynch. Mr. Neuman earned his Bachelor of Arts in history from Wesleyan University, a Master of Arts in regional studies of East Asia from Harvard University and a Juris Doctorate from Northwestern University School of Law.
Senior Vice President, Business Development and FinanceREAD MORE
Mr. Srivisal joined Tronox in March 2018 to lead the company’s merger, acquisition, divestiture and joint venture transactions. Mr. Srivisal brings 20 years of transaction experience that includes acting as a principal, as well as advising companies, creditors, financial sponsors and government entities in a variety of industries on recapitalizations, restructurings, financings, leveraged buyouts, mergers, acquisitions, divestitures and joint ventures. Mr. Srivisal previously served as CEO of Quinpario Acquisition Corp. 2, and he was a partner in Quinpario Partners, LLC. Additional professional experience includes service as an executive at Solutia Inc., where he was responsible for transaction execution. Prior to joining Solutia, Mr. Srivisal was an investment banker at Rothschild Inc., and Peter J. Solomon Company. Mr. Srivisal graduated magna cum laude with a Bachelor of Science degree in Economics (concentration in finance) and a minor in mathematics from the Wharton School of the University of Pennsylvania.
Willem Van Niekerk, Ph.D
Senior Vice President, Technology and Saudi ArabiaREAD MORE
Dr. Van Niekerk serves as our SVP, Technology, and provides oversight to a wide range of projects key to our long-term success. Since joining Tronox following the combination with Exxaro Mineral Sands in June 2012, Dr. Van Niekerk has held various senior roles in Strategy, Business Development and Business Transformation, and most recently supervised our investments in Saudi Arabia. Dr. Van Niekerk brings to Tronox more than 20 years of experience in research and development, operations and business development in the mineral sands industry, including the design of the slag furnaces at the KZN Sands site in South Africa. From 2006 to 2008, he co-managed the Tronox-Exxaro Tiwest joint venture in Australia, providing him with a deep understanding of the strategic benefits of a vertically integrated titanium dioxide operation. Dr. Van Niekerk has a PhD in Pyrometallurgy from the University of Pretoria.
Melissa H. Zona
Senior Vice President, External Affairs and Chief Sustainability OfficerREAD MORE
Ms. Zona was appointed to her current role in September 2019, leading Tronox’s sustainability, corporate communications, government relations, and environmental safety and health activities. She joined Tronox in January 2018, bringing over 20 years of experience within the chemicals and manufacturing industries, including leadership in global-scale crisis management, communications and public relations, culture transformation and corporate responsibility. She previously served as a leader within Quinpario Partners, LLC., an investment and operating company focused on the specialty chemicals, performance materials, plastics and energy-related industries. Prior to Quinpario, she held various roles within Solutia, Inc. where she had direct oversight of effective international crisis management and communications programs, global corporate responsibility efforts and a wide range of activities that preserved the company’s privilege to operate. Ms. Zona holds a Bachelor of Science degree in Criminal Justice from Jacksonville State University.
Vice President, TreasurerREAD MORE
Mr. Prosapio joined Tronox in May 2017. He is responsible for cash management, capital markets, insurance and credit, and collections. Prior to joining Tronox, Mr. Prosapio was global treasurer at Capsugel, Inc., a $1 billion KKR portfolio company. He has more than 20 years of domestic and international treasury, finance and accounting experience. Mr. Prosapio holds an MBA in Finance from Iona College.
Chief Procurement OfficerREAD MORE
Mr. AlJunaidi joined Tronox in April 2019 through the acquisition of Cristal. He is responsible for leading the company’s global Supply Chain organization and for supervising our investments in Saudi Arabia. For more than 25 years, Mr. AlJunaidi has delivered results driving growth and enhancing profitability through leadership in manufacturing, procurement, strategic sourcing, negotiations and high-performance team building. Prior to joining Tronox, he led the Sourcing Department of the Renewables division at GE, then a $5 billion division. His previous experience includes operations roles at GE, Lucent Technologies and Chrysler. Mr. AlJunaidi holds a BS degree in Mechanical Engineering from the American University in Cairo, two MS degrees in Manufacturing Engineering and Engineering Management from Syracuse University, as well as an MBA from the University of Maryland.
Vice President, Investor RelationsREAD MORE
Ms. Guenther was appointed to her current position in April 2020. She previously served as Vice President, Business Development, since joining Tronox in August 2018. Prior to Tronox, she was a Vice President at Goldman Sachs in the Investment Banking Division. In this role, she advised companies on mergers, acquisitions, financings, equity issuances, leveraged buyouts, and recapitalizations in both the Industrial and Leveraged Finance teams. Ms. Guenther began her career at Solutia Inc., in the Corporate Strategy & Development group, where she focused on emerging market growth and mergers and acquisitions and subsequently worked as the Chief of Staff to the CEO. Ms. Guenther holds a Bachelor of Science degree in Business Administration (magna cum laude) emphasizing in International Business and Finance, a Bachelor of Arts degree (cum laude) in International Business Studies from the University of Missouri and an MBA from Harvard Business School.
General Manager, ChinaREAD MORE
Mr. Keegel was appointed to his current role in August 2020 after serving several years as Vice President, Strategy. He began his Tronox career in October 2012 in the Company’s pigment facility in Botlek, the Netherlands. Mr. Keegel held various engineering and production management roles at Tronox Botlek and Tiwest pigment plant in Australia, a joint venture of Tronox and Exxaro Mineral Sands. From 2007 to 2013, he served as a senior consultant for TZMI, an independent consulting company that advises global clients in the mineral, metal, and chemical sectors. Mr. Keegel holds a Master of Science degree in raw material engineering from Technische Universiteit Delft.
Vice President, Business TransformationREAD MORE
Ms. Staton was appointed to her current role in March 2020. She is responsible for managing Project newTRON, a multi-year transformation program that includes both operational and business transformation. She brings a diverse set of experiences to this role, starting her career at Dow Chemical as a chemical engineer and has held positions throughout her career in operations, R&D, marketing, business development and finance.
Ms. Staton joined Kerr-McGee in 1997 as a senior R&D chemical engineer. Upon achieving her Master of Business Administration Degree from Oklahoma State University in 2003, she shifted her career to the business and financial side of the company, serving as Technical Sales & Service Manager and Business Director. In 2012, Ms. Staton was named Vice President, Business Planning and Strategy, and she has since served as Vice President, Global Financial Planning & Analysis and Chief Financial Officer for Tronox’s TiO2 business. Prior to her current appointment, Ms. Staton held various positions within the commercial team, including leading the commercial integration activities for the 2019 acquisition of Cristal. Ms. Staton holds a Bachelor of Science degree in Chemistry from Emporia State University and a Bachelor of Science degree in Chemical Engineering from Kansas State University.
Todd M. Putnam
Chief Information OfficerREAD MORE
Mr. Putnam joined the company as CIO in February 2017. He is responsible for leading the company’s global IT organization. For more than 30 years, Mr. Putnam has leveraged improved business processes, coupled with emerging information technologies, to transform organizations. Prior to joining Tronox, he served in a consulting capacity to SiriusXM Radio, where he provided executive guidance on strategic planning and portfolio management. His previous experience includes CIO or senior IT executive leadership at One Communications in Rochester, New York; Pac-West Telecomm in Stockton, California; and Global Crossing, Ltd. He holds a Bachelor’s degree in Computer Science from Duke University and an MBA, with specialization in telecommunications and finance, from the University of Colorado.
Vice President, Integrated Business PlanningREAD MORE
Ms. Mei was appointed to her current role in March 2019. She is responsible for a function that connects strategy and execution by translating strategic direction into operational plans and bringing the practical aspects of execution into the creation of the business plan. She also led the development of Tronox’s prescriptive analytics capabilities that support strategic capex portfolio planning and continuously optimize the company’s global network.
Ms. Mei joined Tronox in May 2013. Prior to her current role, she led Global Logistics and Sales & Operation Planning functions. Before Tronox, Ms. Mei held global leadership positions in various industries, including International Flavors & Fragrances, Warner Brothers, DHL and Schmalbach-Lubeca White Cap Packaging. She brings a wealth of knowledge and experience in demand forecasting, strategic sourcing, global trade compliance, materials and inventory management, customer service and SAP system integration.
Ms. Mei holds a Bachelor of Engineering in International Trade from Shanghai University, School of Finance and Economic, and a Master of Engineering degree in Supply Chain/Logistics Management from Massachusetts Institute of Technology (MIT).
Senior Vice President, Commercial and StrategyREAD MORE
Mr. Engle joined Tronox in July 2001 as an engineer in the technical sales and service laboratory. He has worked in various areas at Tronox over the last 20 years including sales and marketing, research and development, strategic planning, and business development. Most recently he has served the company as Vice President, Global Marketing and R&D. Mr. Engle holds a Bachelor of Science degree in Chemical Engineering from Oklahoma State University and an MBA from Auburn University.
Senior Vice President, OperationsREAD MORE
Mr. Austin was appointed to his current role in March 2021. He has held various leadership roles throughout his 15 years at Tronox, most recently as Managing Director-Australia, which enabled him to oversee complex strategy change—including the merger of two business units in 2016 and the 2019 integration with Cristal—as well as the operations, safety and leadership of 1,100 team members across 10 sites.
Mr. Austin has 35 years of experience in the Australian resource sector across chemicals, oil and gas, mining, minerals processing and smelting. His areas of expertise include operational excellence and financial management, project management, maintenance, reliability and lean manufacturing. Mr. Austin holds an MBA from University of Southern Queensland.