Sales Team

West Coast Sales

Jesse Flores

Technical Sales Representative
jesseflores@harwick.com

Jesse Flores Details

Technical Sales Representative
jesseflores@harwick.com

Jesse is the Technical Sales Representative for Harwick Standard’s West Coast Sales Region and joined Harwick in 2017. Jesse is joining us with more than 20 years of experience in the sales industry. His previous positions have covered sales, sales management, and finance management.

Jesse is a member of TLARGI (The Los Angeles Rubber Group).

Jesse and his wife, Jeannine, are the proud parents of four boys. They all currently reside in Moreno Valley, CA. In their spare time, Jesse and his family enjoys scouting and camping.

North-East Sales

Ed Pereira

Account Executive
epereira@harwick.com

Ed Pereira Details

Account Executive
epereira@harwick.com

Ed Pereira, Account Executive / Northeast is responsible for sales in Maine, Rhode Island, Vermont, New Hampshire, Massachusetts, Connecticut, New Jersey, eastern New York, and eastern Pennsylvania.

Ed’s industry memberships include the Rubber Division/ACS, the American Chemical Society, and the New England Rubber & Plastics Group, where he currently serves as the Area Director & Treasurer.

Ed joined the rubber industry in 1983 as a lab technician at BIW, a wire & cable manufacturer. For the next 30 years, Ed worked in manufacturing, QC, Purchasing and R&D for BIW, Draka and Prysmian Group. In 2013, Ed joined Fulflex Inc., an elastomeric thread and tape manufacturer, as the Compounding Technical Manager responsible for custom compound sales, all technical duties, purchasing and warehousing.

Ed, and his wife Dolly, reside in Plymouth, MA. They have four children and five grandchildren.

Ed graduated from UMass/Dartmouth in 1982. In his spare time, Ed enjoys watching and playing all sports and playing with his grandchildren.

Akron Sales

Brian Johnson

Account Executive
bjohnson@harwick.com

Brian Johnson Details

Account Executive
bjohnson@harwick.com

Brian Johnson is an Account Executive responsible for sales in eastern Michigan, western Ohio and southern Indiana. Brian has been with Harwick since September 2011. Prior to joining Harwick, Brian worked for Univar USA Cleveland and Cincinnati as a Chemical Sales Representative. As a Territory Manager, he serviced accounts in the Coatings, Adhesives, Sealants, Elastomerics, Food & Pharmaceutical, Water Treatment, Personal Care, and Industrial & Institutional areas.

We are grateful to Brian for his service in the U.S. Army as a Specialist (Spec 4) Radio Teletype Operator, Morse Code. Brian worked as a Communication Specialist in encoding messages, and equipment for helicopters, land vehicles and Recon Field Units.

Brian is a member of the Cincinnati Chemical Association, International Food Technologists-Cincinnati, the Cleveland Coatings Association, Ohio Rubber Group and the Akron Society of Plastic Engineers.

He received his Bachelor of Science Degree in Business & Marketing from Northern Kentucky University and A.A.S. in Procurement (Purchasing Management) from Cincinnati State College.

Brian, and is wife, Carol reside in North Canton, Ohio. He has two children, Lauren and Kevin. Brian enjoys golf, NFL football (Oakland Raiders), baseball, and music. He is an active member of St. Paul Catholic Church in North Canton, Ohio.

Bill Knezevich

Account Executive
bknezevich@harwick.com

Bill Knezevich Details

Account Executive
bknezevich@harwick.com

Bill is an Account Executive responsible for sales in West Virginia, southeast Ohio, northwest Pennsylvania and western New York. Bill began his career at Harwick Standard in 1990. Prior to joining Harwick, Bill was an F-100 Engine Mechanic in the U.S. Air Force.

Bill is the member of the American Chemical Society / Rubber Division, the Ohio Rubber Group, and the Blue Ridge Rubber Group.

Bill attended the University of Akron’s Polymer Technology Program. He has been a wrestling official for the state of Ohio since 1992. In his spare time, Bill enjoys watching some of his favorite sports teams including the Cleveland Indians, Cleveland Browns, Cleveland Cavaliers, and the Ohio State Buckeyes. He also enjoys golfing, camping, fishing, and bird watching. Bill resides in Akron, Ohio.

Glenn Maher

Sr. Technical Sales Representative
gmaher@harwick.com

Glenn Maher Details

Sr. Technical Sales Representative
gmaher@harwick.com

Glenn Maher is a Sr. Technical Sales Representative responsible for sales in Delaware, Washington DC, Maryland, Virginia, Kentucky and eastern Tennessee. Glenn began his career at Harwick in November 2013. Prior to joining Harwick, Glenn worked for Univar USA and an Account Manager.

Glenn earned a Bachelor’s Degree in Business Administration / Marketing from the University of Kentucky in Lexington, KY.

Glenn, and his wife Terri, reside in Hamilton OH. They have four children, Ryan, Jeff, Mark and Sean. Glenn’s spare time activities include golfing and volunteering as a youth baseball and basketball coach.

Southern Sales

Mark Cohn

Senior Account Executive
mcohn@harwick.com

Mark Cohn Details

Senior Account Executive
mcohn@harwick.com

Mark is a Senior Account Executive responsible for sales in Oklahoma, Texas, Arkansas, Mississippi, Louisiana, eastern Kansas, southern Missouri, and western Tennessee. Mark began his Harwick career in 2004. Prior to joining Harwick, Mark worked for M.A. Hanna/PolyOne as an Account Manager/Southern Region, and Bayer AG as a National Account Manager where he sold polymers and rubber chemicals to the tire and industrial rubber market.

Mark’s professional affiliations include membership in the American Chemical Society / Rubber Division, and the Energy Rubber Group. He is also a past member of the Chicago, Minneapolis, St. Louis, and Southern Illinois Rubber Groups.

Mark received his Bachelor of Science Degree in Finance from Northern Illinois University, and many certificates in Polymer Technology.

He, and his wife Karen, reside in Plano TX. They have three grown children, Jessica, Eric and Seth. In his spare time, Mark enjoys golfing, bowling, and music. Mark is also a community volunteer for the Habitat for Humanity.

Rodney Crowell

Account Executive
rcrowell@harwick.com

Rodney Crowell Details

Account Executive
rcrowell@harwick.com

Rodney is an Account Executive responsible for sales in North Carolina, South Carolina, Georgia and Alabama. Rodney began his career at Harwick Standard in 2002. Prior to joining Harwick, Rodney worked for PPG Industries as a Regional Sales Manager / Architectural Coatings and then as a Senior Account Executive / Lowes Team.

Rodney is the member/Chairman of the Southern Rubber Group, and a member of the Blue Ridge Rubber Group.

He received his Bachelor of Science Degree in Economics from Florida A&M University in Tallahassee FL.

Rodney, and his wife Tonia, reside in Huntersville NC. In his spare time, Rodney enjoys taking vacations with family and cooking.

Jeff Mathis

Account Executive
jmathis@harwick.com

Jeff Mathis Details

Account Executive
jmathis@harwick.com

Jeff Mathis, Account Executive - Southern region, is responsible for sales in Louisiana, Mississippi, Alabama and select customers in Georgia.

Jeff’s industry affiliations include the American Chemical Society, the Energy Rubber Group, Southern Rubber Group, Rubber Roller Group, and the Blue Ridge Rubber Group.

Jeff has 30+ years of experience in the rubber industry. Prior to joining Harwick, Jeff worked at Rubatex (now Armacell) for 12 years, and spent the last 17 years with Hexpol Compounding. His experience includes compound development, mixing, processing (extrusion, molding, calendaring), and sales. His last 10 years have been at the Chase Elastomer facility in TX, as the Technical Manager. This facility’s main focus was the rubber roller market, specialty oil and gas markets, as well as the color dispersion products that Harwick currently represents.

Jeff graduated from Cameron University with a Bachelor of Science Degree in Chemistry.

Jeff, his wife Linda, and daughter Skyler, reside in Aledo TX, near Fort Worth. In his spare time, Jeff enjoys playing golf and watching all kinds of sports.

Chuck Bonawitz

Account Executive
cbonawitz@harwick.com

Chuck Bonawitz Details

Account Executive
cbonawitz@harwick.com

Chuck is an Account Executive responsible for sales to the PVC and thermoplastics markets in the US and Canada. Chuck began his career at Harwick Standard in 2017. Prior to joining Harwick, Chuck worked for The Dow Chemical Company (formerly Rohm & Haas Co.) His experience has ranged from lab operations and customer technical service, to field sales, global marketing, and product development. His most recent assignment was Global Key Accounts Manager for the Dow Plastics Additives Business.

Chuck works from his Cincinnati, OH based office, where he lives with his wife and 3 young-adult children.

Chicago Sales

Dean Denny

Sr. Technical Sales Representative
ddenny@harwick.com

Dean Denny Details

Sr. Technical Sales Representative
ddenny@harwick.com

Dean Denny is a Sr. Technical Sales Representative responsible for sales in North Dakota, South Dakota, Nebraska, Minnesota, Iowa, eastern Kansas, northern Missouri and northern Michigan. Dean began his career at Harwick in early 2013. Prior to joining Harwick, Dean worked for Lavelle Industries as their Materials Director. Dean also worked at Minnesota Rubber & Plastics as their Laboratory Manager.

Dean is a member of the American Chemical Society / Rubber Division, the Twin Cities Rubber Group, and the Chicago/Wisconsin Rubber Group. Dean is also a Joint Committee Member for Standard 61-NSF International.

Dean holds a Bachelor of Science Degree in Industrial Chemistry (minor in Marketing) that he received from Minnesota State University in Moohead MN.

Dean, and his wife Paula, reside in Waterford WI. They have two children, Lacy and Holly. In his spare time, Dean enjoys fishing, golfing, “do it yourself projects”, and spending time with his grandchildren.

Mark Guzzaldo

Account Executive
mguzzaldo@harwick.com

Mark Guzzaldo Details

Account Executive
mguzzaldo@harwick.com

Mark Guzzaldo is an Account Executive responsible for sales in Illinois, southern Wisconsin, northern Indiana and southwest Michigan. Mark began his career at Harwick in 2007. Prior to joining Harwick, Mark worked for Lord Corporation as an Account Manager responsible for sales and development of the company’s automotive and industrial product line, contributing to base, expansion and pioneering business initiatives where his market segments were mainly comprised of automotive OEM’s, Tier I/II component suppliers, agriculture, construction, marine, and appliance.

Prior his career at Lord Corp, Mark’s was a Senior Account Manager at Dow Chemical where he was responsible for the sales and development of the company’s structural adhesives products.

Mark is a member of and on the Board Of Directors of The Chicago Rubber Group. He is also a member of the American Chemical Society / Rubber Division, the Fort Wayne Rubber & Plastics Group, Michigan Rubber Group and Twin Cities Rubber Group.

He received his Bachelor of Business (Business Administration) from Western Illinois University in Macomb IL.

Mark and his wife, Cheryl, reside in Barrington Hills IL. He enjoys golf, tennis, biking, reading, riding club, and “Happy Homeowner Duties”.