U.S. Sales Representatives

Customers outside the United States, contact your local Restek representative.

How can we help you today?

Get sales support fast! Restek’s U.S. sales team is built for one purpose: to quickly respond to your needs. We appreciate your business and strive to become your supplier of choice for innovative chromatography products. If you are looking for immediate sales support or a personal consultation; want to arrange a product demonstration, product evaluation, or on-site training; or have a literature/catalog request, contact your dedicated territory manager today to experience Restek Plus 1 service!

Sales Map: Field Representatives

Contact your local U.S. Territory Manager today!
1-800-356-1688 • 1-814-353-1300

Teal boxJohn Baker, ext. 2279
     IN, MI, MO

Red boxEisho Beythaji, ext. 2021
Light orange boxAK, CA, HI, ID, OR, WA

Green boxRichard Cummings, ext. 2003

Dark blue boxThi Do, ext. 2016
     CT, NJ 07000-07999 & 08800-08999, NY ≤11999

Gold boxCathy Hetrick, ext. 2316
     DC, DE, MD, ME, NH, NJ 08000-08799, VT

Blue boxVivian Huynh, ext. 2554
    AR, LA, OK, TX ≤76999 & ≥78000

Blue boxKeith Irwin, ext. 2028
    TX 77000-77999

Dark green boxShelby Kuenzi, ext. 2008
     IL, IA, WI

E0a890Megan Pollock, ext. 2540
     AL, GA, SC

Aqua boxRavindra Rane, ext. 2005
     MA, NY ≥12000, RI

Dark  boxCindy Ross, ext. 2117
     TN, MS

Dark Orange boxAJ Saclyn, ext. 2413
     KS, MN, MT, ND, NE, SD, WY

Florescent green boxHeidi White, ext. 2541
     AZ, CO, NM, NV, UT

Dark purple boxDarrel Zezzo, ext. 2024
     KY, OH, PA ≤16999, WV

Gray boxMike Zezzo, ext. 2120
     NC, PA ≥17000, VA

To request a product quote, simply email

For general inquiries to the team, you can also email, or call 1-800-356-1688, ext. 3.

Trent Sprenkle Trent Sprenkle
1-800-356-1688, ext. 2014
America Sales Manager

Melissa Decker Melissa Decker
1-800-353-1300, ext. 2383
Americas Distribution Manager

Richard Cummings Richard Cummings
1-800-353-1300, ext. 2003
LC Sales Specialist

Keith Irwin Keith Irwin
1-800-353-1300, ext. 2028
GC Sales Specialist

Kim Shenk Kim Shenk
1-800-353-1300, ext. 2115
Inside Sales Manager

All Restek products are available directly from Restek and are also available through select domestic U.S. distribution partners.

For information about Restek, visit our seminars page.