OLYMPIC TOWER - Key Persons


Astor Place

Astor Place is best described as truly one-of-a-kind, dramatic yet intimate residence with breathtaking panoramic views, that are easily one of the most recognizable set of incomparable modern living loft residences in Manhattan. Located at 445 Lafayette in Greenwich Village Manhattan Astor Place is an absolutely stunning expression of living art. Unlike any other development, everything from its exterior on through to its residences are an absolute must see. Designed by two of the country's most renowned modern architects, Charles Gwathmey and Robert Siegel the building was built in 2004 with 21 floors and 39 superlative residences. The exterior is comprised of floor-to-ceiling glass panels on a completely asymmetrical sculpted tower best described as a serene rolling wave of water reflected in walls of floor to ceiling glass rising and falling in a smooth, fluid and tranquil wave of glass.

Chelsea Green

The Chelsea Green condominium is a 14-story 51 unit apartment condo built in 2013. Located at 151 West 21st Street in prime Chelsea Manhattan location, the building's design and emphasis was largely based on physical wellness and best available materials and services.The first development of its kind to do so, the kitchens were designed and feature The Eric Ripert Kitchen by Poggenpohl throughout the building! The kitchens features all start from a island counter with cooktop and area to prep dishes for plating, so you can host at the same time as you entertain you're surrounding seated guests. The kitchens were designed to exceed the Energy Star standards, and you have state-of-the-art appliances, in beautiful Poggenpohl teak lava finish cabinetry, with Caesarstone countertops, Liebherr refrigerator, Bosch dishwasher, Miele induction cooktop, Smeg oven, and Grohe water-conserving faucets.

John Diamantopoulos Sr.

Job Titles:
  • President and Broker / Operating Principal

Ralph Thomas Walker

Job Titles:
  • Architect
Built in 1929, Walker Tower was designed by architect Ralph Thomas Walker, who was hailed by the NY Times as the "architect of the century." Walker Tower rises high above its surroundings and features stunning 360-degree Manhattan skyline views and tilt-and-turn windows. This incredible art deco building was transformed into 50 luxury condominium residences that incorporates the building's original design details and includes all of the conveniences of modern, upscale residential living.