Management Team

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

Education: University of Massachusetts, BS Engineering 1990

After college, he 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 formulas for polyurethane products 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 day-to-day operations.

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.

Jon Cain, Technical Director
Jon Cain – Technical Director

Education: Southern Illinois University, BS Chemisty, 1991

While attending school, Jon began his career in the polyurethanes industry as a lab technician for Futura Coatings, Inc. Upon graduation, he became the group leader for the Plastics and Replications division of Futura Coatings. In 1996, Jon took over the role of Technical Director for the R&D group. As Futura was acquired by IPI International, Jon continued his leadership role in research and development. In 2001, Jon joined Chemline as the Technical Director for research and development, a role that he continues in today.