2025 Board of Directors
Brie Pfannenbecker
Natural Stone Foundation President-Elect
Viking Kitchens
33-39 John St.
New Britain, CT 06051
Phone: 860.223.7101 ext. 232
brie.pfannenbecker@viking kitchens.com
Jonathan Zanger
Director (2023 – 2026)
Walker Zanger
200 Chambers Street, Apt. 26A
New York, NY 10007
Phone: 732.697.7700
jonathanazanger@gmail.com
Kevin Camarata
Natural Stone Foundation President
Camarata Masonry Systems, Ltd.
16465 W. Hardy Rd.
Houston, TX 77060
Phone: 281.876.1111
kcamarata@camaratamasonry.com
Michael Castro
Director (2025– 2027)
Marble Unlimited
14554 Keswick St.
Van Nuys, CA 91405
Phone: 818.988.0100
mcastro@marbleunlimitedinc.com
Buddy Ontra
Director (2024 – 2026)
Ontra Stone Concepts
541 Central Ave.
Bridgeport, CT 06607
Phone: 203.367.4757
buddy@ontrastone.com
Greg Osterhout
Director (2023 – 2025)
Northern Stone Supply, Inc.
PO Box 249
Oakley, ID 83346
Phone: 208.862.3353
greg@northernstonesupply.com
Robert Paul
Director (2025 – 2027)
Genesee Cut Stone & Marble Co.
5276 S. Saginaw Rd.
Flint, MI 48507
Phone: 810.743.1800
bobpaul@gcsm.com
Holly Rohrer
Director (2022 – 2026)
Halbert Mill Company
PO Box 927
Jacksonville, TX 75766
Phone: 903.683.2788
hrohrer@halbertmill.com
Rick Stimac
Director (2023 – 2024)
BB Industries, LLC
4100 Appalachian Way
Knoxville, TN 37918
Phone: 865.2930230
r.stimac@bbindustriesllc.com
Evan Cohen
Natural Stone Institute Board President (Liaison)
Quality Marble & Granite
731 South Taylor Avenue
Ontario, CA 91761
Phone: 909.983.0655
evan@qmgglobal.com
Jim Hieb
Natural Stone Foundation, Executive Director (Ex-Officio)
Natural Stone Institute
380 East Lorain Street
Oberlin, OH 44074
Phone: 440.250.9222
jim@naturalstoneinstitute.org
Nick Dorsey
Natural Stone Foundation, Director of Fundraising & Development
Natural Stone Institute
380 East Lorain Street
Oberlin, OH 44074
Phone: 440.250.9222
nick@naturalstonstitute.org
