Frank Bozich is President and Chief Executive Officer of Trinseo, a global materials solutions provider and manufacturer of plastics, latex binders, and synthetic rubber.

Bozich joined Trinseo on March 4, 2019. In his role as Trinseo's President and CEO, he leads the company in delivering innovative and sustainable solutions to help our customers create products that are intrinsic to how we live our lives – across a wide range of end-markets, including automotive, consumer electronics, appliances, medical devices, electrical, carpet, paper and board, building and construction, and tires.

Bozich was most recently President and CEO of SI Group, a global specialty chemical company, from 2013-2019. SI Group is headquartered in Schenectady, New York, and operates 30 manufacturing facilities on five continents with more than $2 billion in annual sales and over 3,000 employees worldwide. Prior to SI Group, he was President of BASF’s catalyst division which was the global leader in chemical and mobile emission catalysts with sales of more than $7 billion and 5,000 employees.

Bozich serves as a director of OGE Energy Corp. (NYSE: OGE), an Oklahoma-based gas and electric utility company. He previously served on the Board of Trustees of Ellis Medicine, a hospital in Schenectady, New York.

Bozich holds a Bachelor of Science in Chemistry and a Master of Business Administration from the University of Chicago, as well as a Master of Science in Chemistry from the University of Illinois.

Angelo Chaclas was named Senior Vice President and Chief Legal Officer in January 1, 2015. In his role, Chaclas supports all capital markets, transactional, compliance, commercial, regulatory, governance, intellectual property, and other operational activities of the company worldwide. This includes legal responsibility for all governance, capital market, strategic, SEC filing and employment activities, cap and applicable compliance in all regulatory jurisdictions.

Chaclas brings to the company a varied career background in both legal and engineering disciplines. Chaclas joined Trinseo (formerly known as Styron) in December 2010 as the Associate General Counsel –Division Counsel & Chief IP Counsel, which included holding global responsibility for all intellectual property matters, working closely with the Research and Development organization on patents, trade secrets, trademarks, technology licensing agreements, and joint development agreements. He also managed commercial legal activities for several Styron businesses, and established internal best practices and optimized law firm relationships during the company’s start-up phase.

Prior to joining Trinseo, Chaclas served as Deputy General Counsel and General Counsel for the software division of Pitney Bowes while leading its Intellectual Property, Technology Law, and Procurement global legal functions.

From 2001 to 2010, Chaclas served on the Board of Directors for the Intellectual Property Owners Association, holding a position on the Executive Committee from 2008 to 2010 in addition to Treasurer during his last year. Chaclas has also served on the Board of Directors for the Association of Corporate Patent Counsel from 2003 to 2013. During that time, Chaclas held a seat on the Executive Committee from 2008 until 2011 in addition to his role as President in 2011. Today, Chaclas serves on the Board of Directors for the Unionville Sports Council as President.

Chaclas holds a Bachelor of Science in Mechanical Engineering from Tufts University and a Juris Doctor from Pace University School of Law.

Rainer Schewe joined the Company in April 2020 as Vice President of Supply Chain Services. Prior to joining Trinseo, Schewe served as Executive Vice President and Chief Supply Chain Officer for A. Schulman, Inc. (now LyondellBasell Industries). Prior to this role, he served as Vice President and Business Unit Director for Schulman’s Custom Performance Colors business in EMEA.

Schewe holds a degree as a State-Certified Engineer in Chemical Engineering from Fresenius Akademie Wiesbaden in Germany, and an Apprenticeship as a Chemical Laboratory Technician from RWTH Aachen in Germany.

Francesca Reverberi was named Vice President, Engineered Materials & Synthetic Rubber in May 2020. Previously, Reverberi served as Global Business Director of Performance Plastics at Trinseo. In this role, Reverberi had responsibility for the Automotive, Consumer Electronics, Medical, Sheet & Extrusion, and Building & Construction plastics markets. Reverberi’s tenure at Trinseo also includes the position of Business Director of Basic Plastics and prior to that, Global Business Director for Synthetic Rubber.

Reverberi joined Trinseo following the Company’s carve-out from The Dow Chemical Company in June 2011. During her time at Dow, Reverberi served as Product Director for Emulsion Polymers, Europe and the Americas, as well as Commercial Manager in Dow Hydrocarbons Aromatics and Derivatives in Europe, including responsibilities for the C4’s business and held several positions in other specialty businesses such as Water Solutions and Chelants.

Reverberi earned a Bachelor and Master of Science in Chemical Engineering from Politecnico di Milano. She holds a Master of Business Administration from SDA Bocconi.

Ruediger Schmitz was named Vice President of Latex Binders in May 2020, after having served as the Global Business Director for Latex Binders at Trinseo. In his previous role, Schmitz headed the global Latex Binders business, which included the Paper and Board, Carpet and Textiles, and Adhesives and Construction value centers. Schmitz has more than 20 years of experience in the chemical industry.

Prior to joining Trinseo, Schmitz was Head of the Global Business Unit Heraeus Chemicals for Heraeus Holding GmbH, a German-based materials supplier of specialty metals, quartz glass, catalysts, and pharmaceutical ingredients. Schmitz began his career at BASF, serving in various roles spanning procurement, purchasing, marketing, and logistics. In his last role at BASF as Vice President of Fuel & Lubricant Solutions Europe & Emerging Markets, he oversaw marketing, sales, and production for the EMEA region.

Schmitz served in the German armed forces, retiring with the rank of Captain.

Schmitz holds a Master of Science in Business Administration and Economics from the University of the Federal Armed Forces in Hamburg, Germany.

Tim Stedman was named Special Advisor on May 1, 2020. Previously, he served as Senior Vice President, Strategy and Corporate Development. In this role he was responsible for leading Trinseo’s mergers and acquisition strategy implementation. Stedman also served as Senior Vice President and Business President for the Plastics and Feedstocks businesses and Global Supply Chain for Trinseo. In this role, he was responsible for business leadership for Performance Plastics, Polystyrene, and Styrene Monomer. He serves on the board of Americas Styrenics, a joint venture between Trinseo and Chevron Phillips Chemical in North America which produces Polystyrene and Styrene Monomer. Stedman also represents Trinseo on the operating committee of the Plastics Division of the American Chemistry Council and is a vice president of the Steering Board of PlasticsEurope.

Prior to joining Trinseo, Stedman spent more than 20 years with ExxonMobil Chemical working in the U.K., the U.S. and Belgium. Most recently, Stedman was the European Business Director for ExxonMobil Chemical’s Basic Chemicals business, and prior to that was the Site Manager for the Fife Ethylene Plant (steam cracker) in Scotland. Stedman previously served on the boards of Petrochemicals Europe and the European Petrochemical Association and was also a member of the Energy and Climate Change Leadership Group of the International Council of Chemical Associations (ICCA).

Stedman holds a degree in Chemical Engineering with French from the University of Manchester Institute of Science and Technology, U.K., and the Ecole Nationale Supérieure des Industries Chimiques, Nancy, France. He is also a Chartered Engineer and a Fellow of the Institute of Chemical Engineers (U.K.).

He reports to Frank Bozich, President and Chief Executive Officer of Trinseo, and is a member of the Company’s Executive Leadership Team (ELT).