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, Global Human ResourcesREAD MORE
Ms. Marengo joined Tronox in November 2020 to oversee the full HR function, including Global HR, Global Compensation & HR Analytics, Talent Acquisition and Development, HRIS Program Delivery, Change Management and newTRON HR.
Before Tronox, Ms. Marengo was the head of Diversity & Inclusion and Talent at Nestlé USA, where she was responsible for building and executing their D&I strategy, developing diverse talent pipelines, and implementing initiatives to drive an inclusive culture—all while ensuring the right governance structure was in place to meet enterprise needs.
Throughout her 20 years of HR experience, she has held director-level roles and led the modernization of transformative digital talent management systems and tools. Ms. Marengo holds a bachelor’s degree in Business Administration from Kent State University and obtained her master’s degree in Organization Development and Change Management from Case Western Reserve University.
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.
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.
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.
Vice President, Corporate ControllerREAD MORE
Mr. Flood joined Tronox in November 2019. He is responsible for global consolidations, technical accounting, worldwide external financial reporting, corporate financial policies and procedures, as well as the implementation of new accounting pronouncements and SEC rules and regulations.
Prior to joining Tronox, Mr. Flood held various accounting positions at Linde plc (formerly Praxair, Inc.), a dual-listed, publicly traded global supplier of industrial gases and engineering company. He served as a key team member for pre- and post-merger accounting compliance and integration related activities for a 2018 merger. He has more than 15 years of accounting experience with U.S. GAAP and International Financial Reporting Standards (“IFRS”), technical accounting, global consolidation & integrations, financial statement preparation, multi-jurisdictional regulatory compliance including the SEC, and financial statement audits. Mr. Flood holds a Bachelor of Business Administration degree in Accounting from Pace University and is a certified public accountant.
Vice President, StrategyREAD MORE
Mr. Bender re-joined Tronox in March 2021 as VP, Strategy, after having worked with the company from 1999-2007 in various roles, including process engineering, strategic sourcing, strategic planning, and M&A. Mr. Bender holds a Bachelor of Science Degree in Chemical Engineering from Mississippi State University.
Mr. Bender has more than 25 years of experience in the chemical industry, with more than 20 years of experience in the TiO2 industry. His background includes prior experience with Tronox and TZMI, the leading industry consultancy in the titanium and zircon value chains. Mr. Bender has also held business leadership roles at Eastman Chemical and Momentive in business development and corporate strategy.