Bart Tantillo and Christina Trevenen join Greysteel’s medical office investment sales and capital markets coverage across Pennsylvania the Mid-Atlantic
Philadelphia, PA — August 10, 2026 — Greysteel, a national commercial real estate advisory firm specializing in investment sales, debt and structured finance, announced that Bart Tantillo and Christina Trevenen will join the firm’s Healthcare Investment Sales practice as Advisors based in Pennsylvania.
Bart Tantillo
Tantillo and Trevenen will support sourcing and executing investment sales and capital markets assignments for medical office properties across Pennsylvania. Their local market intelligence and transaction experience will strengthen the firm’s ability to deliver integrated capital solutions and disciplined execution through the real estate investment lifecycle. Their addition expands Greysteel’s capacity to advise private, middle-market, and institutional clients on value-creation strategies in the healthcare real estate sector.
“Bart and Christina bring exactly the kind of on-the-ground market intelligence and transaction experience we look for as we build out our Healthcare Investment Sales platform,” said Lacey Willard, Executive Vice President at Greysteel. “Their firsthand knowledge of the Mid-Atlantic’s medical office markets and track record in investment advisory will strengthen our ability to deliver targeted market intelligence and capital markets execution for owners and investors throughout the region.”
Christina Trevenen
“We’re excited to join Greysteel and continue building on the relationships we’ve developed in the medical office market. Greysteel’s national platform and technology-forward model give us the resources to deliver more comprehensive capital markets solutions for our clients,” said Tantillo.
Greysteel’s addition of Trevenen and Tantillo reflects the firm’s continued focus on expanding its Healthcare Investment Sales platform through experienced, market-focused talent aligned with its advisor-driven culture. The pair will be integrated into ongoing pursuits across investment sales, debt placement, and equity placement, leveraging Greysteel’s national platform to connect regional healthcare opportunities with broader investor demand.
Tantillo and Trevenen will be based in Philadelphia and will begin covering medical office assignments across the region immediately. Their client-facing assignments and market coverage areas will be announced as they assume their new roles.
About Greysteel
Greysteel is a premier commercial real estate investment sales and debt and structured finance advisory firm. Serving private and institutional investors across geographies and asset types, Greysteel provides a full spectrum of services, including investment sales, debt placement, equity placement, and distressed asset solutions. Founded on the principles of innovation, collaboration, and excellence, Greysteel is strategically positioned across the nation to deliver exceptional results through a seamless and comprehensive advisory platform. For more information, visit www.greysteel.com.
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