Management Team

John Pantanella, President & Founder
John Pantanella — CEO & Founder

Education: University of Massachusetts, BS Engineering 1990 | Harvard Business School, OPM 49, 2017

After college, John began working for a manufacturer of specialty polyurethane chemicals, where he held various positions including formulator, technical service representative and production supervisor. In 1994, he relocated to St Louis, Missouri after accepting a sales position with a specialty chemical distributor. While selling chemicals by day, he worked nights and weekends creating polyurethane formulas out of a make-shift laboratory. After successfully developing multiple products, he left the security of his day job and established Chemline, Inc. in 1997 and continues to be involved in the business.

Ted Thurmond
Ted Thurmond — President

Education: Boston College, BA English 1994 | Washington University, St. Louis, MBA 2008

Ted worked for Enterprise Rent-A-Car immediately after graduating from college. He entered the chemical industry in 2000 when he joined Archway Sales Inc., a specialty chemical distributor in St. Louis, MO, where he held several operational roles, including Vice President of Operations. In 2014, after Nexeo Solutions acquired Archway Sales, he moved into the role of Business Director, overseeing the CASE Specialties business unit. Ted joined Chemline in 2017 as President and is responsible for executing our corporate strategy while overseeing Sales, Operations/Manufacturing, and Finance.

Jim Segbers — VP of Sales

Education: Washington University, BS Chemical Engineering 1981

Jim entered the polyurethanes marketplace as a Sales Rep for the Dennis Chemical Company in 1981, becoming its Vice President of Sales in 1995. Upon the acquisition of Dennis Chemical by The Geon Company, Jim operated in a variety of Sales and Business Management roles in Geon’s Specialty Formulators Group, and continued as a National Sales Manager for the company after it was merged with MA Hanna to form PolyOne Corp. After PolyOne spun off its polyurethane business in a joint venture with Bayer MaterialScience, Jim continued his career as the National Sales Manager for BayOne Urethane Systems LLC from 2003 until 2009.

In 2009, Jim joined Chemline as Vice President of Sales, handling commercial operations for the company. In 2015, Jim transitioned into the Commercial Director/Executive Vice President role, and took on additional responsibilities to oversee all commercial activities, coordinating both the laboratory and selling departments and meshing them into a unified Commercial Development department.

Kevin McCullough, VP Operations
Kevin McCullough — VP of Operations

Education: Southern Illinois University, BS 1977

Upon graduation, Kevin joined the Rexall Drug Company as a Production Supervisor and was promoted to Manufacturing Manager during his eight years with the company. In 1986, he joined the Dennis Chemical Company specializing in liquid vinyl and polyurethane coatings as Plant Manager. He was promoted to Vice President of Manufacturing in 1991. Dennis Chemical was acquired by GEON which subsequently merged with MA Hanna to form PolyOne in 2000. There he served as Operations Manager with responsibility over six manufacturing plants in the Specialty Formulators Division. Kevin joined Chemline in 2008 as Vice President of Operations, a role he continues in today.

Mark Bussen, VP Finance & Accounting
Mark Bussen — VP of Finance and Accounting

Education: Baylor University, BBA Economics & Finance 1991 | Washington University, St. Louis, MBA 2000 | Certificated Management Accountant 2011

Mark began his career working for Monsanto Chemical Company in Springfield, MA in cost accounting, for 5 years before moving to Monsanto’s corporate headquarters in St. Louis, MO. There he played a key role in restructuring Monsanto’s leveraged ESOP plan in conjunction with Monsanto’s spinoff of Solutia. Mark left Monsanto in 1998 to pursue a full-time MBA at Washington University in St. Louis. Upon graduation in 2000, he worked for Earthgrains in Corporate Planning and Analysis. After Earthgrains was purchased by Sara Lee in 2001, Mark joined PlayPower Inc., a maker of commercial playground equipment, where he held a number of positions of increasing responsibility including Director of Finance and Administration. After leaving PlayPower in 2012, he joined C.L. Smith Company, a manufacturer and distributor of packaging supplies, as Controller. Mark joined Chemline in 2017 as Vice President of Finance and Accounting, and continues in that role today.

Mark Vanover
Mark Vanover — Business Unit Manager, Fast Set Spray

Education:  Washington University, BS Chemical Engineering, 1985

Mark entered the polyurethane systems business in 1985 as a technical sales representative for Dennis Chemical.  The majority of Mark’s career has been in the technical sales area coordinating the development of polyurethane business in partnership with laboratory personnel.  Past responsibilities in the polyurethane industry include Technical Sales Representative, Key Account Manager, Regional Sales Manager, Product Manager, and Industrial Marketing Manager.  Past employers include Dennis Chemical, PolyOne Corporation, and Bayer MaterialScience (Covestro). Mark Joined Chemline in 2015 as the Business Unit Manager for the Fast Set Spray group.

Mike Brandenburg
Mike Brandenburg — Business Unit Manager, Cold Cast Elastomers

Education: University Of Wisconsin Whitewater, BA Marketing, 1987, The University Of Toledo, MBA Marketing, 1999

Mike started his career in the chemical industry in 1987 as a technical sales representative for Plast-O-Meric and held various positions in sales, marketing and business management. Plast-O-Meric was acquired by The Geon Company and then merged with MA Hanna to form PolyOne in 2000. Here, Mike served as Site Manager, Business Director and then Key Accounts Manager until his promotion to Global Sales Manager in 2013. Mike is a results-oriented leader in the polymer industry with more than twenty-five years of successful experience driving growth in specialty platforms.  He has a record of consistent year-over-year revenue growth, targeting innovation that drives customer value and a history of managing a global commercial team to excellence by communicating a clear, strategic vision and coaching a diverse team. Mike joined Chemline in 2017 as the Business Unit Manager for the Cold Cast Molded Products.


Chris Maupin
Chris Maupin — Business Unit Manager, Hot Cast Elastomers

Education: BS Chemistry, University of Connecticut/MBA, University of Maryland University College

Chris began his career in urethanes with Uniroyal Chemical in 1989 developing the company’s first low-free-TDI products and patenting its manufacturing process for producing low-free-MDI and low-free-PPDI prepolymers, ultimately advancing through a series of technical, commercial and overseas positions with global scope. In 2015, Chris joined Chemline bringing a wealth of industry, formulation and application expertise. He currently guides all sales and technical aspects of the Hot Cast Elastomer business unit.