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Dorsett and Jackson, Inc. currently has a staff of 30--15 of which are directly involved with customer contact and sales. Our nine technical sales representatives average over 20 years of experience in raw material sales and marketing. Most have technical or management degrees and have had extensive laboratory experience.


The members of our office staff combine the duties of customer service, product management, information technology and order processing. We can proudly state that Dorsett and Jackson, Inc. has the most experienced sales, office and warehouse staff in our industry.

OFFICERS
 
Paul E. Grubs, (Chairman)

  • Attended the University of Illinois, Southern California, and Madrid. Studied Chemistry and Aeronautical Engineering and Spanish.
  • Employment
    Great Lakes Carbon - Lab Technician Pan American World Airway Operation Agent Dorsett & Jackson since 1960 Chairman & Partner Sales
  • Membership
    SAMPE THARGI SPI SPE Los Angeles Society for Coating Technology Polyurea Development Association


Donald F. Witteman, (CFO)

  • Don received a B.S. degree in Business Finance from Cal State University. Prior to joining Dorsett & Jackson, Inc. in 1967, Don worked 6 years at Reichhold Chemicals as sales coordinator and production scheduling.
  • His first 10 years at Dorsett & Jackson were spent in outside sales. In 1977, when Dorsett & Jackson moved from primarily sales agency to distribution, Don assumed the position of Operations Manager and was later appointed President in 1984. He continues in this capacity.

Romer E. Johnson, (Executive Vice President, COO)

  • Bachelor of Science Degree Administrative Management-UCLA, California State University Los Angeles.
  • Laboratory W.P. Fuller Paint 1956-1959
  • Sales Manager/Store Manager Dunn-Edwards Paint Phoenix, Arizona 1959-1964
  • Technical Sales Representative Paul W. Wood Co. (Raw Material Supplier to Paint, Plastics, Printing Inks, Adhesives and Ceramics). 1964-1966
  • Technical Sales Representative Dorsett & Jackson, Inc. 1966-1968
    1968 Participated in Purchase Agreement along with Don Witteman and Paul Grubs.
    1973-Present - Owner, Executive Vice President/Chief Operating Officer
  • Served as Chairman West Coast Coatings Symposium
  • Board of Directors, Los Angeles Society for Coatings Technology Served 7 years.
  • Four years through LASCT Chairs, President 1983-1984
    Outstanding Service Award 1985 Member LASCT NACD NPCA

Tony Di Giacomo, (President)

  • 1970 Graduate, Bachelor in Chemical Engineering Stevens Institute of Technology
  • 1970-75 American Cyanamid (Coatings, Plastics, Ink Industry) Sales Rep. Pigments Division Los Angeles, New Mexico, Colorado Organic & Inorganic Pigments, Ti02
  • 1976-78 Account Manager, Organic Chemicals Division Chicago, Wisconsin, Iowa Ti02, Plastic Additives
  • 1978- Dorsett & Jackson (Coatings, Plastics, Ink Industry) Sales rep All product Lines Los Angeles, Pacific Northwest
  • Member LASCT SPE

Steve Winder, (Corporate Vice President)

  • 1970 Graduate, Bachelor of Science Business Management, San Diego State University
  • 1971-74 Account Manager, Ashland Chemical Company
  • 1975-85 Dorsett and Jackson, Inc. Sales Representative
  • 1985-05 Dorsett and Jackson, Inc. Senior Sales Representative, All Product Lines. Manager, Coatings Trade Sales Accounts
  • 2005 Dorsett and Jackson, Inc. Corporate Vice President

Carl Hassis, (Vice President of Technology)

  • Clarkson University - Bachelor's Degree - Chemical Engineering
  • Lehigh University - Master's Degree - Physical Chemistry - Thesis in Surface Chemistry
  • Atlantic Research Corporation - Aircraft and Aerospace - Research chemist
    Developed gel fuels and solid propellants for rocket motors. Studied surfaces of ingredients used in their preparation.
  • Raychem Corp (now Tyco Electronics). - Adhesives and coatings - Surface and Adhesives Chemist
    Developed thermoplastic and cross linking adhesives for metal and plastic substrates. Developed novel surface coatings for high performance wire and cable products. Characterized Raychem and other polymers with regard to their surface properties.
  • Tenneco Chemicals Corp. - Dispersions - Technical Director
    Developed a series of dispersions used for the coloring of a variety of industrial coatngs including polyester gel coats. Studied surface properties of pigments and designed custom wetting and dispersing agents to optimize performance parameters of the dispersions. Characterized all dispersions with regard to rheological properties and translated information into easily manufactured and stable colorants. These are now marketed by the Degussa Corp.
  • Tenneco Chemicals Corp. - Sales
    Sold all Tenneco dispersions (Degussa) into the coatings and plastics industry.
  • Dorsett & Jackson, Inc. - Sales and V.P. Technology.
    Marketing and direct sales responsibility throughout entire career. Helped to develop new technologies for emerging markets. Present emphasis is in radiation cure, but remain in contact with all existing technologies. Sales role is more supportive in the technical sense, but I maintain dozens of accounts. Interface with existing D&J personnel to transfer technical knowledge to successors.

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