Haven offers turnkey home renovations with no out-of-pocket cost or headache by investing alongside homeowners and doing all the work. Stefan is the inventor of the convertible land equity financing structure that underpins Haven's direct investment structure and a visionary in the modern urban application of community land trusts which inspired the platform.

Create is the property database of the future, with 3D maps that inform, illustrate, and inspire investment into the real estate market that fuels urban development. As founding CEO, Stefan was responsible for all facets of organizational growth from inception through private equity takeout of the company. Over his tenure, Create raised $4M in angel & VC capital, grew to 12 FTE and served 8,000 users across the East Coast.

H&A is a site selection and economic development strategy firm specializing in the structuring of public-private partnerships for corporate real estate clients
>Executed multi-state site selection strategy on behalf of a $100 billion consumer goods company launching new business lines and manufacturing operations
>Counseled a $70 billion defense contractor in consolidation & relocation of corporate headquarters

City Interests is a fully integrated real estate investment company focused on the mixed-use urban revitalization of underserved areas in the Washington DC region and has developed, owned, and managed several large-scale projects in across the US, including multifamily, affordable housing, luxury hotels, commercial office, retail, and condo

Coriolis Management was a startup systematic long/short US equity hedge fund that peaked at $15 million in AUM in May 2011
>Streamlined creation of marketing materials through design of automated performance model for $14 million hedge fund portfolio
>Developed prospect database and CRM software to capture due diligence process information for 900 potential and existing clients