About Us

Our Firm

Sembler Investments Real Estate Partners (SIREP) is a family-office-backed multifamily investment firm specializing in acquiring and managing institutional-quality communities in high-growth Southeastern markets. Our disciplined, data-driven approach combines deep local market expertise with national capital markets insight to uncover value in stabilized and near-stabilized assets. Our highly experienced management team focuses on cultivating long-term relationships and leveraging decades of industry expertise to deliver superior results. With a commitment to generating strong cash flow, stable appreciation, and long-term value creation, we align our capital with investor interests through substantial co-investment, ensuring shared success while maintaining our commitment to integrity, transparency, and excellence.

Our Commitment

Shaping Communities that Thrive

As advocates for community enrichment, we prioritize transparency, collaboration, and trust in all our partnerships. Guided by extensive industry expertise, our team leverages deep market knowledge to identify and execute opportunities that drive superior outcomes. At Sembler, we believe in shaping the future through investments that deliver financial returns and build stronger, more vibrant communities.

Leadership

Our Founding Partners

Mark Sembler
CEO
Bryan Castillo
CIO
Stephen Gerhard
COO
Lauren Sembler
CLO
Xander Rothaus
CMO
Burke Roper
Director of Capital Markets

Our Team

Kevin Mawby

Senior Finance Analyst

Katie Welch

Asset Manager

Ryan Salzgeber

VP of Accounting

Lisa Eggleston

Assistant Controller

Marc Arrearan

Senior Accountant

Daniel Marthaler

Senior Accountant

Kiara Armengol

Administrative Assistant

Our Team

Kevin Mawby

Senior Finance Analyst

Katie Welch

Asset Manager

Ryan Salzgeber

VP of Accounting

Lisa Eggleston

Assistant Controller

Marc Arrearan

Senior Accountant

Daniel Marthaler

Senior Accountant

Kiara Armengol

Administrative Assistant

Our Team

Kevin Mawby

Senior Finance Analyst

Katie Welch

Asset Manager

Ryan Salzgeber

VP of Accounting

Lisa Eggleston

Assistant Controller

Marc Arrearan

Senior Accountant

Daniel Marthaler

Senior Accountant

Kiara Armengol

Administrative Assistant

Case Studies

Identifying Opportunities

At Sembler Investments Real Estate Partners, we focus on uncovering exceptional opportunities in multifamily residential properties. Guided by rigorous market analysis and thorough due diligence, we ensure every investment aligns with our strategic vision. Our goal is to deliver superior returns while fostering growth in the communities we invest in. Discover how our approach drives results by exploring our portfolio.

Discover Investment Opportunities

Discover exceptional opportunities in multifamily real estate with Sembler Investments Real Estate Partners. Backed by decades of expertise and a reputation for integrity, we focus on institutional-quality investments in dynamic, high-growth markets. Our approach delivers strong, risk-adjusted returns while maintaining transparency and alignment with your goals. Connect with us today.

Burke Roper
Director of Capital Markets

With nearly 12 years of capital markets experience, Burke is responsible for arranging asset-level and corporate debt for Sembler Investments. Burke previously held a leadership role as Director of Capital Markets for Swiss investment manager Stoneweg, where he closed over $1bn in loans. Prior to moving to Tampa, Burke was an integral member of the Capital Markets team at Chicago-based Heitman Capital Management which executed over $5bn in financing volume annually across multiple capital sources, property types, and risk strategies. Burke began his career with PGIM Real Estate and graduated from UNC Chapel Hill’s Kenan-Flagler Business school with a BSBA.