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Management Team

  • John Pantanella

    John Pantanella — Founder/CEO

    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.

  • tim donohoe profile (2)

    Tim Donohoe — CIO

    Education:  Boston University Questrom School of Business, MBA | University of Massachusetts-Lowell BS in Business Administration

    Tim provides Chemline with a wealth of experience as a senior business leader. He has expertise in leading and managing sales operations, customer service & technology groups not only in his recent position but throughout his career. Tim’s most recent role was Senior Director Sales Operations for GE Healthcare’s Pharmaceutical Diagnostics business, which he has held since 2019. Prior to GE Healthcare, he was with Corning Life Sciences as the Global Director Sales Operations and Customer Experience from 2013-2018. Before Corning, Tim worked in computer networking and telecommunications space, working for MRV Communications/ADVA (2008-13), Alcatel-Lucent (2000-08) and with several organizations within the communications branch of the United States Air Force (USAF) as a government contractor (1991-00). Tim joined Chemline in 2021.

  • Jon Cain, Technical Director

    Jon Cain — Technical Director

    Education : Southern Illinois University, BS Chemistry, 1991

    While attending school, Jon began his career in the polyurethanes industry as a lab technician for Futura Coating, Inc.  Upon graduation he became the Research 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 join Chemline as the Technical Director for research and development, a role that he continues today.  

  • Mike-Brandenburg-3

    Mike Brandenburg — VP of Sales

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

  • AB Profile Pic

    Audra Barklage — Human Resource Manager

    Education:  Moberly Area Community College, Associates in Business Management

    Audra started with Chemline in early 2018 as Executive Assistant to the CEO before accepting the role of Human Resource Manager in the summer of 2021. She previously worked for Missouri REALTORS in Columbia, MO as their Vice President of Operations and served as CEO for the Tri-Lakes Board of REALTORS in Branson before moving to St. Louis in 2017

  • dave schulte

    Dave Schulte — Manager R&D

    Education:  University of Missouri-St. Louis Bachelor’s degree in Chemistry, December, 1989. University of Missouri-St. Louis, MBA, December, 2017.

    Dave worked for 7 years at the P.D. George Company in Quality and in R&D as a product development chemist. He then spent 15 years at Bayer Materials Science and its predecessors as an R&D product development chemist and R&D Manager in St. Louis. In 2012, he joined the R&D Group at Chemline and has worked in the R&D management team for the last 5 years.

  • Sheila Hachmeister

    Sheila Hachmeister — Controller

    Education: Fort Hays State University, Bachelor of Business Administration in Accounting Certified Public Accountant

    Sheila joined Chemline in 2018. She brings over 30 years of experience in providing strategic accounting and financial reporting solutions and applying complex accounting initiatives to enable management to achieve operational excellence and financial goals. She was previously the Chief Accounting Officer for a high-end custom furniture manufacturer with 5 subsidiaries operating in 14 locations throughout the United States. Prior to that she worked in public accounting, including her own firm, doing payroll, income tax, write-up services, and governmental and private company auditing.

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