Epstein served as the architect of record for the completion of OneEleven, a high-rise residential building. The building, located at 111 W. Wacker, was originally designed as a 90-story Shangri-La Hotel with high-end condominiums.

Epstein worked with the New York-based design architect, Handel Architects, in modifying the existing built structure and creating a new image for the property.

The original shell building at 111 West Wacker consisted of 24 floors of existing structure (concrete frame), plus 4 levels of below grade support including 2 parking levels. The above grade existing structure was comprised of 10 levels of parking and 14 floors of podium apartments with mechanical and amenity spaces.

The newly-envisioned structure includes a new structural transfer floor at level 25 with an additional 30 floors of apartments above.