Our team

Meet our team

Our Leadership

Our staff has years of experience in chemical distribution and a strong dedication to serving the needs of our customers. More than half of our employees have been with the company for over 5 years — one third of our staff has been with Producers Chemical Company for more than 20 years!

Roger T. Harris CEO

Roger Harris is president and owner of Producers Chemical Company. Prior to moving to Illinois, he worked for the State of Missouri as Director of Taxation. He holds a business degree with a concentration in Accounting from the University of Missouri and is a Certified Public Accountant. He currently serves on the boards of Waubonsee Community College Board of Trustees, St. Charles Bank and Trust and Northwestern Memorial Healthcare. He is the past chairman of NACD and very active in NACD activities. Roger is the past Chairman and Board member of the Delnor Community Health System and Delnor Hospital in Geneva, Ill. and an active member and past president of the Geneva Lions Club. A resident of Geneva since 1981, Roger and his wife Jane have two children and four grandchildren.

Senior Managers

Vice Presidents


Assistant Managers

  • Jeff Szklarek President

    Prior to joining Producers Chemical, Jeff worked as a Senior Accountant for Zimmer, Inc. a global manufacturer of orthopedic products based in Warsaw, IN. Jeff has also worked in accounting roles for Cardinal Health Corporation and Deloitte & Touche, LLC — both in Chicago. Jeff graduated from the University of Notre Dame with a bachelor of science degree in Accountancy. He also holds a master's degree in Business Taxation from the University of Minnesota and is a Certified Public Accountant. Jeff resides with his family in Batavia, Il.

  • Brian Shannon V.P. Sales

    Prior to his role as vice president, sales, Brian was sales manager for the company. As vice president, Brian has responsibility for managing and directing all sales activity for the company. He is a graduate of Elmhurst College and lives with his family in Batavia, Il.

  • Dave Sweigert V.P. Purchasing

    David Sweigert began his career with Producers Chemical in 1990 working in the warehouse and driving, became warehouse manager, then operations manager before being promoted to vice president, operations. As Producers Chemical Company has grown, David’s responsibilities have changed now to focus on management of purchasing; supporting the needs of our customers and sales staff. David is a graduate of North Central College and resides in North Aurora with his family.

  • Brenda Wilkinson Customer Service Manager

    Brenda Wilkinson began her career with Producers Chemical in 1995 as a customer service representative for 8 years before moving with her family to Florida. Brenda returned to working for Producers Chemical in 2012 after her family moved back to Illinois and since has been promoted to Customer Service Manager. Brenda graduated Eastern University with a bachelor degree in Administrative Office Management. Brenda currently resides in Sycamore, IL with her family.

  • Sebastian Mroczkowski Operations Manager

    Sebastian Mroczkowski began his career with Producers Chemical in 1996 as a warehouse/truck driver, and later became assistant warehouse manager prior to his promotion. As operations manager, Sebastian is responsible for management of the warehouse and logistics managers, regulatory compliance, human resources, and IT. Sebastian graduated with Magna Cum Laude honors from DeVry University with a bachelor degree in Computer Information Systems and a MBA from Keller Graduate School of Management. Sebastian currently resides in Sugar Grove, Il with his family.