WHO WE ARE
Mavinstone is a privately managed Opportunity Zone Fund with a bold vision: transform underserved neighborhoods through strategic investment, ethical property ownership, and inclusive growth. We bring together a unique blend of international and local investors, building a foundation for sustainable wealth and long-term community success.
FOUNDER, MAVINSTONE ONYX LLC
Lawrence "Larry" Macarty Eyeson
Born in Ghana and raised in the vibrant city of Philadelphia, the founder of Mavinstone Onyx LLC brings a unique blend of cultural depth and urban tenacity to the world of real estate. His journey from West Africa to the East Coast of the United States instilled in him a deep appreciation for opportunity, community, and resilience.
A lifelong entrepreneur, he has spent decades building businesses centered on real estate development, investment, and community revitalization. His mission has always been clear: to transform underutilized spaces into thriving environments while creating lasting value for families, investors, and neighborhoods alike.
Beyond the boardroom, he is a passionate supporter of the Philadelphia Eagles — a true fan who wears green with pride and brings the same loyalty and grit to his business ventures that he does to his favorite team.
Through Mavinstone Onyx LLC, he continues to champion smart growth, equitable housing, and impactful investments — especially in Opportunity Zones and economically distressed areas — with a vision rooted in integrity, innovation, and legacy-building.
CHIEF OF STAFF, MAVINSTONE ONYX LLC
Alexandria Phlegar
Alexandria serves as the Chief of Staff for Mavinstone Onyx LLC, where she oversees tenant operations and day-to-day portfolio execution via the Antstone LLC property management platform, across a geographically diverse footprint spanning Winchester through Southern Virginia. With a paralegal degree and hands-on operational experience, Alexandria brings a disciplined, compliance-oriented approach to property management, risk mitigation, and process execution.
Based in Bassett, Virginia, and with professional exposure to West Virginia markets, Alexandria understands the regulatory, cultural, and operational nuances of both rural and multi-jurisdictional portfolios. She plays a central role in coordinating tenant communications, enforcing lease standards, managing operational workflows, and ensuring consistency across properties. In addition to long-term rental operations, Alexandria manages the behind-the-scenes operations of the firm’s short-term rental assets, and agricultural operations, ensuring efficient turnovers, policy adherence, and guest readiness.
As a working parent, she brings strong organizational discipline, situational awareness, and empathy to her leadership style—qualities that translate directly into effective tenant relations and operational stability. Alexandria is a key operational anchor within the Mavinstone platform, supporting scalable growth while maintaining high standards of accountability and execution. She can be reached at alexandria@mavinstone.org
RISK MANAGEMENT OFFICER
Timothy DeLonghi
Timothy DeLonghi is a Miami native who brings a disciplined, operations-first mindset to every aspect of real estate and property management. Raised in South Florida, Timothy developed an early appreciation for the role housing plays in building stable communities—an interest that later became the foundation of his career.
Timothy attended the University of Miami, where he focused his studies on real estate, sharpening his understanding of asset performance, tenant operations, and long-term portfolio strategy. Over time, his professional work has centered on property management systems, process improvement, and risk mitigation, helping ensure properties are managed with consistency, accountability, and strong resident outcomes.
Today, Timothy serves as the liaison to Antstone LLC, acting as a key connector between leadership objectives and day-to-day execution. In this role, he is also responsible for firm-wide risk management and internal controls, supporting operational integrity across the portfolio through structured oversight, compliance-driven practices, and proactive problem-solving.
Founded in 2016, Mavinstone has spent nearly a decade creating real change through real estate. What began as a family initiative has grew into a robust, multi-state fund grounded in trust, transparency, and cultural responsibility. In 2026, we celebrate our 10 year anniversary- a decade of development with purpose.
CORE VALUES:
Integrity First
People Over Profit
Culturally Grounded, Globally Minded
Transparency and Trust