LEADERSHIP TEAM

David Neuberger
Chief Executive Officer

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David Neuberger joined ANGUS Chemical Company as Chief Executive Officer in January 2018. Neuberger, a chemical industry veteran, has 20 years of experience in a variety of leadership roles in executive management, finance, corporate development, marketing and investor relations.

Prior to joining ANGUS, Neuberger most recently served as Group Vice President for the Pharmaceutical, Agriculture and Nutrition Specialties business for Ashland Global Holdings Inc., a leading, global specialty chemical company. In this role, he was responsible for managing Ashland’s most profitable P&L, as well as a global pipeline of new product introductions. Neuberger previously served as Vice President for Ashland’s North American Industrial Specialties business, with leadership responsibility for all commercial, technical service and supply chain functions.

His previous experience includes senior management roles in research and development, operations, marketing and finance while at WR Grace. Neuberger holds a bachelor's degree in chemical engineering from Johns Hopkins University and an M.B.A. from The Wharton School of the University of Pennsylvania where he was named a Palmer Scholar.

John C. Sills
Chief Financial, Operating and Administrative Officer

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John Sills joined ANGUS Chemical Company as Chief Financial Officer on July 17, 2017, and has since expanded his role to include Chief Operating and Administrative Officer.

Sills has more than 35 years of international finance and operations experience, including 18 years of working in senior operating roles at Bain Capital and Golden Gate Capital private equity portfolio companies. Prior to joining ANGUS, Sills served as CFO for Phillips-Medisize Corporation from February 2015, and was responsible for all finance, credit, insurance, legal and IT functions, including management of banking and credit rating relationships. Phillips-Medisize was sold to Molex/Koch Industries on October 26, 2016. From August 2007 to October 2014, Sills served as CFO and Chief Administrative Officer (CAO) at Unisource Worldwide, Inc., where he successfully led the company’s merger with Xpedx in July 2014 to form Veritiv Corp. (NYSE:VRTV), a leading North American business-to-business distributor and a provider of logistics and supply chain management solutions. Sills previously held the roles of President and CEO of Medical Specialties Distributors, Inc. from 1997 to 2003, and CFO and CAO at Robertson-Ceco Corporation (NYSE:HHR) from 1992 to 1997. Sills is a Certified Public Accountant (CPA) and worked in Boston at PricewaterhouseCoopers for 10 years.

Sills holds bachelor’s degrees in accounting and finance from Lehigh University in Bethlehem, Pennsylvania, and an M.B.A. from Northeastern University in Boston, Massachusetts.

Dr. David Green
Vice President, Research and Development

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Dr. David Green joined ANGUS Chemical Company in 1996, after spending more than 10 years with Allied-Signal Corporation in roles primarily focused on new product development. During the period that ANGUS was a wholly-owned subsidiary of Dow, Green held the position of Dow Fellow, the highest honor accorded to a Dow scientist.

Dr. Green is the named inventor on more than 25 granted U.S. patents, with another 25 applications in patent prosecution. His research activities have covered a broad array of applications and technologies, including thermosets, radiation curable and latex coatings, small molecule and polymer synthesis, materials for rapid prototyping, polymer modification, pharmaceutical intermediates and fuel additives. His most recent patent was as part of the team researching Amino Alcohol Compounds and their use as zero- or low-VOC additives for paints and coatings—which set the standard for ANGUS’ flagship AMP™ multifunctional additive portfolio to be named the only amine approved by the U.S. Environmental Protection Agency for VOC exemption.

Green holds a bachelor’s degree in chemistry from Indiana University and a Ph.D. in organic chemistry from the University of Arizona.

Ernest Green
Vice President, Manufacturing & Engineering

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Ernest Green joined ANGUS in 1986, progressing through a wide variety of roles including electrical and instrumentation maintenance, electrical and instrumentation engineering, site maintenance leader, production leader and site leader. Prior to joining ANGUS, Green was a field service engineer for General Electric Field Services.

An active and engaged community leader, Green serves on a wide variety of professional organizations and community affairs including the Boards of Directors of the Louisiana Chemical Industry Alliance, United Way of Northeast Louisiana and the Louisiana Purchase Council of the Boy Scouts of America. He is also on the Process Technology Advisory Board for the Louisiana Delta Community College in Monroe, the Louisiana Community & Technical College System Foundation Board and the Louisiana Tech College of Engineering Foundation Board.

Green holds a bachelor’s degree in electrical engineering technology from Louisiana Tech University and received their Distinguished Alumnus Award in 2014.

Kumar Ramanathan
Vice President, Product Management

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Kumar Ramanathan joined ANGUS Chemical Company in October 2018 and is responsible for the core strategic elements of the company’s product portfolio, including global pricing and basic chemical strategy. Prior to ANGUS, he most recently served as Director, Global Marketing and Product Management for Ashland Global Holdings’ Industrial Specialties business, covering coatings, adhesives, construction, and energy, encompassing more than 20 product lines and $1 billion in annual revenue. In this capacity, he played a critical leadership role in strategy development, price management, product portfolio optimization, asset management and new product introductions. Prior to Ashland, Ramanathan held several roles in engineering, production and commercial/industry management at Ciba Specialty Chemicals.

Ramanathan holds a bachelor’s degree in chemical engineering from the Indian Institute of Technology (Bombay, India), as well as a master’s degree and Ph.D. in chemical engineering, both from State University of New York.

Liam Doherty
Business Vice President, Europe, Middle East, Africa & India

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Liam Doherty leads the Europe, Middle East, Africa and India Customer Application Centers, including the regional sales, technical service and marketing teams. A 17-year veteran of ANGUS, Doherty joined the company in 1999 and has led a career spanning roles in sales and marketing, product management and regional commercial leadership with a particular focus in the personal care industry. Prior to ANGUS, he served as a process research engineer for Dow.

Doherty holds a bachelor’s degree in chemical engineering from the University of Bradford in England.




Michael Lewis
Business Vice President, United States and Canada

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Michael Lewis leads the North American Customer Application Center, including the North American sales, technical service and marketing teams. He has more than 25 years of experience in specialty and commodity chemical sales, commercial leadership and business leadership roles in chemical manufacturing and distribution businesses. Prior to joining ANGUS, Lewis served as General Manager at Univar Solutions, a chemical distribution company, where he led business teams in sales, customer service, operations, and commercial functions. His previous experience includes commercial and distribution management positions at Dow and ANGUS.

Lewis holds a bachelor’s degree in business administration and marketing from the University of Massachusetts. He currently serves on the executive committee of the Chemical Industry Council of Illinois (CICI), as well as its board of directors.

James Huang
Business Vice President, Asia Pacific

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James Huang joined ANGUS Chemical Company in February 2019 and leads the company’s Customer Application Centers in Shanghai and Singapore, including the Asia Pacific sales, technical service and marketing teams.

Prior to joining ANGUS, Huang most recently served as the Greater China Sales Director for paints and coatings for Ashland Global Holdings Inc. In this role, he was responsible for leading solid growth for the business by implementing a customer-centric market approach and optimizing the company’s regional distribution model. Previously, he held the role of China Sales Manager for Ashland’s personal care business, as well as a number of commercial leadership, sales and marketing and technical roles at GE and National Starch, among others.

Huang holds a bachelor’s degree in polymer chemistry from Tianjin University, and an executive M.B.A. from the Carlson School of Management at the University of Minnesota.

Dr. Pamela Spencer, D.A.B.T
Senior Director of Regulatory, Product Stewardship & Quality

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Dr. Pamela Spencer joined ANGUS Chemical Company in October 2016 and is the Senior Director of Regulatory Affairs, Quality and Product Stewardship. Prior to this role, she worked for the Dow Chemical Company for 30 years, retiring as the Scientific Director of Dow’s Toxicology Environmental Research & Consulting function.

Dr. Spencer received her doctorate from the Department of Toxicology, School of Public Health at the University of Michigan and holds a master’s degree in biology and an Honorary Doctor of Science from Central Michigan University. She has extensive experience in regulatory toxicity testing and research to define human health risks, with numerous publications to date in the areas of neurotoxicology, genetic toxicology, carcinogenicity and green chemistry.

Dr. Spencer is an advocate at every level, working to promote the concepts of safer product design with regulatory agencies, industry, academia and nongovernmental organizations. Her scientific service activities include: appointment to Chair of National Institute of Environmental Health Sciences (NIEHS), Scientific Advisory Committee on Alternative Toxicological Methods, appointment to the Board of Trustees for the Health and Environmental Sciences Institute (HESI), Vice President, Society of Toxicology In Vitro and Alternative Methods Specialty section. She has been invited to give briefings to U.S. Congress and OECD and to contribute to scientific sessions to advance next generation educational and training needs. As a recipient of INSIGHT Into Diversity Inspiring Women in Stem National Award Recipient, Dr. Spencer is committed to the development of young women leaders in technical fields.

Scott C. Johnson
Director, Corporate Communications

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Scott C. Johnson joined ANGUS Chemical Company as Director, Corporate Communications in October 2016 and is responsible for leading the company’s internal and external brand and positioning strategies, as well as the integrated marketing communications, public relations and employee engagement programs that support the company’s sustainable growth.

Johnson has more than 20 years of global communications, marketing, global brand development and public relations experience in the business process outsourcing, and chemical manufacturing and distribution industries. In addition to his communications role, Johnson serves as the Global Market Segment Leader for the company’s paints and coatings business. Prior to joining ANGUS, he most recently served as Director, Global Marketing and Corporate Communications, at Univar Solutions. His previous experience includes global and regional marketing and corporate communications leadership positions at Ashland Global Holdings Inc.

Johnson holds a bachelor’s degree in journalism from San Francisco University and has completed the Executive Marketing Program at the Northwestern University Kellogg School of Management.

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