Our Founders
Founders of The Orchard Concept ~

University of Florida
University of New Haven
Jim Antonucci, Ph.D., MBA
With a foundation in architecture and design from the University of Florida, Jim brings a unique blend of creative vision and strategic leadership to Stone Tile Group. His passion for elevating high-end residential and commercial environments through exceptional materials guides the company as it continues to serve as Central Florida's premier source for architectural stone, porcelain slabs, and exterior cladding.
Jim's background includes nearly two decades of executive leadership, development strategy, and large-scale project oversight. His experience spans project management, financing, and complex developments valued at more than one hundred million dollars. This expertise allows him to position STG's offerings with clarity and precision, ensuring that each project is thoughtfully designed, expertly resourced, and delivered with excellence.
Beyond his professional strengths, Jim is deeply committed to the Kingdom-focused principles that shape the Orchard Concept. His leadership is rooted in biblical abiding, choosing alignment with God's voice and God's pace in every season. This abiding mindset influences how he casts vision, guides teams, and navigates decisions that carry long-term impact.
Jim plays an active role in Orchard-related initiatives and abide groups, where he encourages leaders to cultivate a life and business posture anchored in Christ. His heart for discipleship, relational culture, and intentional stewardship is reflected both in the Orchard movement and in STG's commitment to integrity, purpose, and service.
Chris Guadagnoli
Founder and Technical Director of STG, Chris brings more than 25 years of deep, hands-on experience in the natural stone and surfacing industry. Since founding Stone Tile Group in 2002, he has developed a reputation as a trusted partner to architects, designers, and contractors, delivering precise and innovative solutions across more than one hundred million dollars in installations and material procurement.
Chris leads from a foundation of biblical abiding. He remains rooted in Christ, seeks His pace over pressure, and pursues clarity, peace, and wisdom in every decision. This abiding posture influences how he builds relationships, how he stewards resources, and how he shapes a culture centered on integrity, excellence, and Kingdom impact.
A committed leader in abide groups, Chris invests intentionally in helping others grow in their walk with God. His passion for the Orchard Concept and its Kingdom-centered principles guides the way he mentors men, cultivates community, and advances a model of leadership that is relational, disciplined, and spiritually grounded.
A global artisan at heart, Chris has traveled throughout Europe, Asia, and the Americas to cultivate exclusive quarry and supplier relationships. His technical mastery of natural stone, surfaces, and building systems sets industry standards for facades, rainscreens, custom carving, fabrication, and restoration.

Leadership Philosophy
Built on Stone
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