Natural Stone Institute and Natural Stone Foundation Announce 2026 Board of Directors and Leadership Updates
Contact:
Natural Stone Institute
(440) 250-9222
Contact:
Natural Stone Institute
(440) 250-9222
networking@naturalstoneinstitute.org
FOR IMMEDIATE RELEASE
Oberlin, OH, January 2026 — The Natural Stone Institute (NSI) and the Natural Stone Foundation (NSF) announce their 2026 Boards of Directors and leadership transitions, reinforcing a continued commitment to advancing the natural stone industry through education, research, and community engagement.
These updates reflect strong industry representation across fabrication, quarrying and distribution, supporting both organizations’ missions to strengthen the future of natural stone.
Natural Stone Foundation Leadership Updates
Jon Zanger has been appointed President and Treasurer of the Natural Stone Foundation for 2026, succeeding Brie Pfannenbecker, who will continue to serve as Immediate Past President. Zanger brings decades of leadership experience and a long-standing commitment to industry education and workforce initiatives.
The NSF also extends its appreciation to Rick Stimac for his leadership and service as he concludes his board tenure.
Through its mission-driven work, the Natural Stone Foundation supports scholarship programs, sustainability initiatives, and educational outreach that invest in the next generation of stone professionals.
2026 Natural Stone Foundation Board of Directors
Officers & Leadership
- Jon Zanger, President/Treasurer — Walker Zanger (Retired)
- Brie Pfannenbecker, Immediate Past President — Viking Kitchens Cabinets LLC
Directors
- Michael Castro — ABC Worldwide Stone
- Buddy Ontra — BOSTONE LLC
- Greg Osterhout — Northern Stone Supply, Inc.
- Robert Paul — Genesee Cut Stone & Marble Co.
- Holly Rohrer — Halbert Mill Company
- Kevin Camarata — Camarata Masonry Systems, Ltd.
- Rick Stimac — BB Industries, LLC
Ex-Officio & Staff Leadership
- Nick Dorsey — Director of Fundraising & Development
- Jim Hieb, CAE — Executive Director (Ex-Officio)
- Jeff Erickson — Natural Stone Institute President (NSF Board Liaison)
Natural Stone Institute Leadership Updates
The Natural Stone Institute has named Jeff Erickson as President of the Board of Directors effective January 2026. Succeeding Evan Cohen, Erickson will lead NSI’s strategic priorities focused on industry education, technical standards, and silica safety advocacy.
NSI also welcomes two newly elected members to the Board of Directors:
Martha Roberson
Granite Group International — Villa Rica, GA
Roberson entered the natural stone industry in 2002 and became a founding partner of Granite Group International in 2010. A long-time NSI member, she participated in the 2025 NSI Study Tour and brings more than two decades of industry experience to the Board of Directors.
Peter Prvulovic
Vermont Quarries Corp. — Mendon, VT
Prvulovic represents Vermont Quarries Corp. and brings expertise in quarry operations and material production, strengthening NSI’s representation across the full natural stone supply chain. He is an active member of the North American Quarry Advocacy Group and is committed to advancing sustainability initiatives within the industry.
2026 Natural Stone Institute Board of Directors
Executive Committee
- Jeff Erickson, President — Cutting Edge Countertops
- Blake Christensen, Vice President / President-Elect — Valley View Granite
- Evan Cohen, Immediate Past President — Quality Marble & Granite
- Sam Arcot, Treasurer — Rugo Stone
- Filippo Emanuel, Secretary — COMES North America, Inc.
Board Directors
- Sal Banchitta — Simple Stone Care
- Kim Dumais — Miller Druck Specialty Contracting, Inc.
- Reid Kubesh — Coldspring
- Joshua Levinson — Artistic Tile, Inc.
- Susan Moser — Fauske Marble by Moser APS
- Irini Papagiannouli — John Papagiannoulis Bros SA
- Peter Prvulovic — Vermont Quarries Corp.
- Martha Roberson — Granite Group International
Ex-Officio Leadership
- Jim Hieb, CAE — Natural Stone Institute CEO (Ex-Officio)
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About the Natural Stone Institute
The Natural Stone Institute (NSI) is a trade association representing more than 2,100 members in over 50 nations in virtually every aspect of the global natural stone industry. NSI is dedicated to increasing awareness of natural stone as one of nature’s most enduring, inspiring, and sustainable building materials.
We offer opportunities for professionals of all fields, backgrounds, and career levels to connect on natural stone industry challenges, meet potential business partners, and grow their expertise and influence.
NSI plays a central role in advancing professionalism, technical standards, and safety through a commitment to training, regulatory advocacy, third-party testing, and rigorous credentialing.
Learn more about NSI’s programs, publications, and passion for the natural stone industry at www.naturalstoneinstitute.org.
About the Natural Stone Foundation
The Natural Stone Foundation is the philanthropic arm of the Natural Stone Institute, supporting education, scholarships, standards, and natural stone promotion. Learn more at naturalstoneinstitute.org/foundation.
FOR IMMEDIATE RELEASE
Oberlin, OH, January 2026 — The Natural Stone Institute (NSI) and the Natural Stone Foundation (NSF) announce their 2026 Boards of Directors and leadership transitions, reinforcing a continued commitment to advancing the natural stone industry through education, research, and community engagement.
These updates reflect strong industry representation across fabrication, quarrying and distribution, supporting both organizations’ missions to strengthen the future of natural stone.
Natural Stone Foundation Leadership Updates
Jon Zanger has been appointed President and Treasurer of the Natural Stone Foundation for 2026, succeeding Brie Pfannenbecker, who will continue to serve as Immediate Past President. Zanger brings decades of leadership experience and a long-standing commitment to industry education and workforce initiatives.
The NSF also extends its appreciation to Rick Stimac for his leadership and service as he concludes his board tenure.
Through its mission-driven work, the Natural Stone Foundation supports scholarship programs, sustainability initiatives, and educational outreach that invest in the next generation of stone professionals.
2026 Natural Stone Foundation Board of Directors
Officers & Leadership
- Jon Zanger, President/Treasurer — Walker Zanger (Retired)
- Brie Pfannenbecker, Immediate Past President — Viking Kitchens Cabinets LLC
Directors
- Michael Castro — ABC Worldwide Stone
- Buddy Ontra — BOSTONE LLC
- Greg Osterhout — Northern Stone Supply, Inc.
- Robert Paul — Genesee Cut Stone & Marble Co.
- Holly Rohrer — Halbert Mill Company
- Kevin Camarata — Camarata Masonry Systems, Ltd.
- Rick Stimac — BB Industries, LLC
Ex-Officio & Staff Leadership
- Nick Dorsey — Director of Fundraising & Development
- Jim Hieb, CAE — Executive Director (Ex-Officio)
- Jeff Erickson — Natural Stone Institute President (NSF Board Liaison)
Natural Stone Institute Leadership Updates
The Natural Stone Institute has named Jeff Erickson as President of the Board of Directors effective January 2026. Succeeding Evan Cohen, Erickson will lead NSI’s strategic priorities focused on industry education, technical standards, and silica safety advocacy.
NSI also welcomes two newly elected members to the Board of Directors:
Martha Roberson
Granite Group International — Villa Rica, GA
Roberson entered the natural stone industry in 2002 and became a founding partner of Granite Group International in 2010. A long-time NSI member, she participated in the 2025 NSI Study Tour and brings more than two decades of industry experience to the Board of Directors.
Peter Prvulovic
Vermont Quarries Corp. — Mendon, VT
Prvulovic represents Vermont Quarries Corp. and brings expertise in quarry operations and material production, strengthening NSI’s representation across the full natural stone supply chain. He is an active member of the North American Quarry Advocacy Group and is committed to advancing sustainability initiatives within the industry.
2026 Natural Stone Institute Board of Directors
Executive Committee
- Jeff Erickson, President — Cutting Edge Countertops
- Blake Christensen, Vice President / President-Elect — Valley View Granite
- Evan Cohen, Immediate Past President — Quality Marble & Granite
- Sam Arcot, Treasurer — Rugo Stone
- Filippo Emanuel, Secretary — COMES North America, Inc.
Board Directors
- Sal Banchitta — Simple Stone Care
- Kim Dumais — Miller Druck Specialty Contracting, Inc.
- Reid Kubesh — Coldspring
- Joshua Levinson — Artistic Tile, Inc.
- Susan Moser — Fauske Marble by Moser APS
- Irini Papagiannouli — John Papagiannoulis Bros SA
- Peter Prvulovic — Vermont Quarries Corp.
- Martha Roberson — Granite Group International
Ex-Officio Leadership
- Jim Hieb, CAE — Natural Stone Institute CEO (Ex-Officio)
###
About the Natural Stone Institute
The Natural Stone Institute (NSI) is a trade association representing more than 2,100 members in over 50 nations in virtually every aspect of the global natural stone industry. NSI is dedicated to increasing awareness of natural stone as one of nature’s most enduring, inspiring, and sustainable building materials.
We offer opportunities for professionals of all fields, backgrounds, and career levels to connect on natural stone industry challenges, meet potential business partners, and grow their expertise and influence.
NSI plays a central role in advancing professionalism, technical standards, and safety through a commitment to training, regulatory advocacy, third-party testing, and rigorous credentialing.
Learn more about NSI’s programs, publications, and passion for the natural stone industry at www.naturalstoneinstitute.org.
About the Natural Stone Foundation
The Natural Stone Foundation is the philanthropic arm of the Natural Stone Institute, supporting education, scholarships, standards, and natural stone promotion. Learn more at naturalstoneinstitute.org/foundation.
