Meet Our Team

Dewey Johnson Senior Vice President, Global Chief Market Officer Chemical Market Analytics by OPIS

Dewey is Senior Vice President with Dow Jones and Global Lead for the Chemicals practice within Chemical Market Analytics by OPIS, a Dow Jones Company.

Dewey leads a team of 250+ subject-matter experts with deep knowledge and experience across the global chemical sector. Chemical Market Analytics offers unmatched global coverage of the Base Chemicals space, covering almost 350+ chemistries through subscription services and consulting (bespoke research) offerings to our clients. The CMA practice presently covers Energy & Feedstocks, Olefins & Derivatives, Aromatics & Fibers, Inorganics (chlor-alkali, vinyls, and soda ash), Plastics & Polymers, Syngas (methanol, acetyls, and ammonia), chemicals, Sustainable chemistries (carbon, hydrogen, various chemicals), and plans to extend into newer areas.

Dewey has two master’s degrees in environmental engineering & business management, respectively. He has enjoyed a distinguished career with Eastman Chemical Company across multiple roles and functions for 1.5 decades. In 2009, he joined Chemical Market Associates Incorporated (CMAI) and has been in the chemical market intelligence and research space ever since. From the acquisition of CMAI by the erstwhile IHS Markit to the present acquisition by Dow Jones, Dewey has been in senior leadership positions within the organization and has a deep understanding of the business.

Dewey has worked extensively with chemical industry stakeholders across Asia, the Middle East, Europe, and the Americas, covering industry leadership, the financial sector, and policymakers. Dewey has led multiple engagements with chemical industry clients globally in strategy development and execution, analysis of chemical markets and business portfolios, and M&A due diligence.

Dewey is a frequent lecturer at the MIT Sloan School of Management, the UVA Darden School of Management, and the SUNY Albany School of Public Policy. He is based in Houston, Texas, United States of America.

Carlo Barrasa Vice President, Energy Insights Team Lead Chemical Market Analytics by OPIS

Carlo Barrasa is the Vice President of Energy Insights at Chemical Market Analytics

In this role, Carlo stewards the development of energy market content to help Chemical Market Analytics’ clients navigate the complexities of the oil, gas & natural gas liquids markets. Previously, Carlo led the North American Light Olefins service, providing clients with valuable insights into regional market dynamics for cracker feedstocks, ethylene, and propylene.

Before joining Chemical Market Analytics, Carlo was a Senior Strategy Advisor at Anadarko Petroleum, where he guided the company’s market strategy for its natural gas liquids business. After beginning his career in various downstream and chemical roles at ExxonMobil, Carlo held senior consulting and research positions at IHS Markit’s legacy companies, PFC Energy and CMAI.

Bettina Schroeder Vice President of Strategic Insights Chemical Market Analytics by OPIS

Bettina Schroeder is the Vice President of Strategic Insights at Chemical Market Analytics

In her role, Bettina manages the Cost Curve and World Analysis publications that provide a strategic, long-term outlook of the global chemical markets. She also is responsible for Operations and Platform Development at Chemical Market Analytics and leads global teams of business analysts, editors, and research analysts.
Previously, Bettina led the Oil, Midstream, Downstream and Chemical Operations team and acted as compliance representative of the Energy vertical at IHS Markit. Bettina began her career at CMAI, a legacy IHS Markit company, where she worked in the Inorganics, Olefins, and Consulting teams before managing the Chemical Company Analysis publications.
Bettina holds Master’s degree from the University of California, Berkeley.

Jean Soh Vice President, Global Marketing Team Lead Chemical Market Analytics by OPIS

Jean Soh leads the Global Chemical Market Analytics Marketing team.

Jean Soh is a global B2B marketing executive with more than two decades of experience driving growth across energy, chemicals, market intelligence, data, analytics, technology, and events businesses. She currently serves as Global Head of Marketing at OPIS, a Dow Jones company, where she leads global marketing strategy, go-to-market programs, brand positioning, thought leadership, strategic partnerships, and commercial growth initiatives across APAC, EMEA, and the Americas.

Known for combining sharp commercial insight with data-driven decision-making, Jean has extensive experience in account-based marketing, customer and market analytics, whitespace identification, integrated demand generation, and portfolio positioning. She works closely with executive, sales, product, and customer teams to translate complex business priorities into clear marketing strategies that strengthen pipeline, deepen client relationships, and support sustainable revenue growth.

Her career also includes leading marketing for the IHS Markit base chemicals business through its divestiture into Dow Jones, where she helped establish the strategic direction for the new venture and implemented analytics-led marketing programs that contributed to significant organic and acquisitive growth. Jean is recognized for her ability to lead through transformation, influence senior stakeholders, and build marketing functions that operate as strategic partners to the business.

Rob Taylor Vice President, Global Commercial Product Management Team Lead Chemical Market Analytics by OPIS

Rob leads the product management team at Chemical Market Analytics.

Rob has nearly 20 years of data industry experience, spanning chemical research, project management in consulting, and, more recently, leading the Chemical Market Analytics product management team. He is a skilled professional in product management, product development, and strategic planning, and he started his career with CMAI as a graduate.

He is responsible for all aspects of commercial and strategic product management for the portfolio of data, insight, and market intelligence products. He is adept at working with multiple stakeholders, from sales and marketing to research and development.

Ultimately, his primary role is growing the business, enhancing the existing product portfolio, taking new ideas to market, following the Pragmatic Marketing approach from idea evaluation to successful execution, and aligning with customer needs.

He holds a Bachelor of Science degree (Computation) from the University of Manchester (UMIST) and is based in Manchester, UK.

Steve Lewandowski Vice President, Global Strategic Content and Olefins & Derivatives Team Lead Chemical Market Analytics by OPIS

Mr. Lewandowski is the Vice President of Global Strategic Content and Olefins & Derivatives at Chemical Market Analytics.

Based in Houston, Steve Lewandowski is the Vice President of Strategic Content and Olefins & Derivatives at Chemical Market Analytics (CMA) by OPIS, a Dow Jones Company, a leading global provider of information, insight, and consulting services to the global chemical and petrochemical industry.

During a career spanning 30+ years in the refining and chemical industry, Steve has experience across the full spectrum of refining and petrochemical hydrocarbon value chains, covering various financial, strategic, technical, and commercial roles. Before his move to Chemical Market Analytics, Steve was Senior Manager of Base Chemicals at TOTAL Petrochemicals & Refining, Inc. In that capacity, he managed the P&L of the base chemicals business, including joint venture relationships, strategic guidance to the partnerships, plant operational interfaces, project development, and commercial responsibility for olefin and aromatic monomers, including styrene.

Before the Base Chemical Senior Manager role, Steve held increasing responsibilities within TOTAL’s Petrochemical business. The latest assignment was overseas, in Brussels, Belgium, where he was responsible for Global Aromatics’ long-term commercial business. The assignment included P&L responsibility and strategic project development for TOTAL worldwide. Before the Belgian assignment, he worked as manager of the US aromatics business. Before 2000, Steve was involved in the refining and fuels side of the Hydrocarbon chain, both for what was then FINA Oil and Chemical and for Star Enterprise (a joint venture between Texaco and Saudi Aramco), working as a process engineer, optimization engineer, fuels blending optimizer, branded/unbranded fuels marketing and supply lead, and in a business development role.

Steve earned a Bachelor of Science in Chemical Engineering from Michigan State University in 1987 and an MBA with a focus on finance and economics from the University of Texas at Dallas in 2000.

Mike Nash Vice President, Global Syngas Team Lead | Americas Acetyls Lead Chemical Market Analytics by OPIS

Mike Nash is the Vice President for Syngas Chemicals (including the methanol and acetyls practices) at Chemical Market Analytics.

Mike Nash is the vice president of Syngas Chemicals, which includes methanol and acetyls, at Chemical Market Analytics. He works with a global team of regional consultants and overlays their analyses with a worldwide perspective. His responsibilities include the weekly World Methanol Report and monthly World Methanol Analysis, as well as the weekly and monthly Global Acetyls Market Reports and the related World Analyses for methanol, acetyls and formaldehyde.

Before joining the IHS Markit base chemicals business (now known as Chemical Market Analytics) in September 2012, Mr. Nash worked for BP’s petrochemicals division for 19 years before a two-year stint in Total’s UK fuels business. He held various commercial roles within BP, including international business management, marketing, project management, and logistics, based in London, Duesseldorf, and Kuala Lumpur. His last role in Total UK was logistics director for specialties. Mr. Nash holds a Master of Arts in English language and literature from the University of Edinburgh and an MBA from Kingston University, both in the United Kingdom.

Duncan Clark Vice President, Global Aromatics & Fibers Team Lead Chemical Market Analytics by OPIS

Duncan Clark is the Vice President of the Global Aromatics and Fibers business at Chemical Market Analytics.

Duncan Clark is the vice president of Global Aromatics and Derivatives, based in Chemical Market Analytics’ London office. Duncan joined the company in 2013 as the EMEA Aromatics Director, taking over leadership of the global Aromatics team in 2017. Duncan has 40 years of experience in the global petrochemical and chemical industries across various Sales, Marketing, Corporate Business Development, Business Management, and Consultancy roles.

Duncan maintains a view of global developments across all major aromatics markets and works closely with petrochemical producers, consumers, and financial institutions worldwide, providing insight and forward-looking perspectives. He has specific expertise in the polyester feedstock markets. He is a regular speaker at Chemical Market Analytics’ regional conferences. He leads a global team of Aromatics consultants and analysts. He is responsible for the commercial strategy and client support for a broad portfolio of Aromatics services focused on individual aromatics value chains. He also regularly serves on the project team for Chemical Market Analytics’ single-client studies.

Before this, Duncan spent ten years working in an ExxonMobil / Shell joint venture company involved in fuel and lubricant additives and visited refineries worldwide. He also spent 12 years working for Air Products in various chemical and industrial gas businesses in the UK, the U.S., and the Netherlands. He now provides insights into the global aromatics and derivative markets, including paraxylene, purified terephthalic acid, ethylene glycols, polyurethane feedstocks, and the global benzene, toluene, and xylenes markets.

Mr. Clark has a Bachelor of Science in Chemical Engineering from University College London and a Master of Business Administration from Manchester Business School.