Lessons Learned Partners


We would like to extend a sincere thank you to all of our partners, without whose help we would not have been able to build Lessons Learned: 20/20.


The Durst Organization, Presenting Partner

100 years ago, Joseph and Rose Durst founded a real estate business on one simple idea: “Leave each place better than you found it.” This philosophy has driven The Durst Organization to develop pioneering offices and residences for four generations.

Vidaris, Platinum Partner

Vidaris is a provider of niche consulting services within the architecture, engineering and construction industries, focusing on sustainable, high-performance buildings. Through an integrated, holistic approach, our professionals provide solutions for building envelope, energy efficiency, sustainability, code compliance and construction administration.

The specialists on the Vidaris team have been industry leaders since the inception of LEED.  We have consulted on over 400 LEED projects nationwide and internationally, including many of the “greenest” and most notable projects in New York City: Bank of America Headquarters, the Whitney Museum, Hearst Headquarters, the United Nations renovation, and the new Hudson Yards development. Registered as a LEED Proven Provider for both BD+C and ID+C, Vidaris’ extensive experience and know-how saves time and money for our clients, while bringing valuable insights to the design team. 

Vidaris is unique in our ability to provide multiple technical services under one umbrella; our offerings include energy modeling, LEED project management, commissioning, computation fluid dynamics, heat flow modeling of building assemblies, daylight modeling, moisture migration modeling, indoor air quality testing, and advanced materials research to improve building IAQ. 

Vidaris’ sustainability team works with a wide variety of green rating systems beyond LEED, including WELL, Passive House, BREEAM, Living Building Challenge, Green Globes, and Enterprise Green Communities.

Our services extend beyond building-specific consulting to include GRI and GHG reporting for corporations and other organizations.

Vidaris is headquartered out of New York and has offices in the Boston MA, Norwalk CT, and Miami FL.


Horizon Engineering Associates, LLP, Gold Partner

Horizon Engineering Associates, LLP (HEA) specializes in providing clients with solutions that make buildings function correctly while being energy efficient. Services include building commissioning, sustainable consulting and energy analysis services. They often post tips, low cost/no cost solutions and case studies regarding energy efficiency in the built environment.