Meet the Team Leading Intigral Forward
Our leadership team brings experience across glass manufacturing, operations, finance, technology, supply chain, sales, quality, and customer partnerships.
Together, they guide Intigral Glass Company with a focus on innovation, reliability, continuous improvement, and long-term value for our manufacturing partners.
Leadership Built on Experience
Behind every Intigral product is a team committed to performance, quality, and partnership. Our leaders work across departments to support customers, employees, and the future of residential glass manufacturing.
Justin Thomas
Justin Thomas leads Intigral Glass Company with a focus on strategic growth, operational excellence, and long-term customer partnerships.
His leadership supports Intigral’s continued commitment to manufacturing performance, innovation, and dependable service for window and door manufacturers.
“Strong leadership means building the systems, people, and partnerships that help our customers succeed.”
Leading With Purpose
At Intigral, leadership means supporting our employees, serving our customers, and continually investing in innovation, quality, and long-term partnerships.
Executive Team
Our executive leadership team helps guide the company across sales, customer relationships, finance, technology, supply chain, and manufacturing.
Esteban Zendejas
Esteban Zendejas supports Intigral’s customer relationships, sales strategy, and market growth initiatives.
His role helps connect manufacturers with glass solutions designed to support performance, differentiation, and long-term partnership.
“The strongest customer relationships are built through trust, responsiveness, and shared goals.”
Holly Mostardi
Holly Mostardi leads Intigral's key account management efforts, partnering closely with customers to build lasting relationships and support long-term success.
By working collaboratively with manufacturers, Holly helps ensure exceptional service, clear communication, and solutions that meet evolving customer needs.
“Supporting key accounts means understanding each partner’s goals and helping them move forward with confidence.”
Stephanie Umstead
Stephanie Umstead helps guide Intigral’s financial strategy, planning, and business performance.
Her leadership supports strong decision-making, operational stability, and sustainable company growth.
“Financial discipline creates the foundation for smart growth and long-term stability.”
Tom Naples
Tom Naples leads technology and information systems that support Intigral’s operations, communication, and business processes.
His work helps strengthen the systems behind efficient manufacturing, internal collaboration, and customer support.
“Reliable systems help teams work smarter, communicate better, and serve customers more effectively.”
Mike Gabriel
Mike Gabriel supports Intigral’s supply chain strategy, vendor coordination, and material planning.
His leadership helps ensure the company can respond to customer needs with reliable production support.
“A strong supply chain helps turn customer expectations into dependable production.”
Kenneth Daff
Kenneth Daff helps lead manufacturing operations with a focus on process consistency, productivity, and quality-driven execution.
His role supports Intigral’s ability to deliver dependable glass solutions to manufacturing partners.
“Manufacturing excellence comes from consistent processes, strong teams, and attention to every detail.”
Management Leadership
Across our facilities and departments, Intigral’s management team supports quality, safety, engineering, maintenance, operations, and plant performance.
Jim Laheta
Supports engineering initiatives, process improvement, and technical manufacturing needs.
Raymond Navarro
Supports quality systems, standards, and continuous product performance across operations.
Mike Farrell
Supports plant operations, team leadership, and daily manufacturing execution.
Guytano Milano
Supports equipment reliability, maintenance planning, and operational uptime.
Adina Dobre
Supports compliance practices, process improvement, and operational excellence initiatives.
Rob Rhodes
Supports quality control, inspection practices, and consistent manufacturing standards.
Dustin Schwoyer
Supports facility operations, production performance, and plant-level team leadership.
Derek Hebert
Supports plant operations, production flow, and manufacturing team coordination.
Jeffrey Martin
Supports daily plant leadership, operational execution, and team performance.
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