Dr. Dennis Landsberg is a globally recognized leader in energy efficiency and sustainable building technologies, with over 49 years of pioneering contributions to energy analysis, demand-side management (DSM), and advanced building systems. As the founder of multiple successful ventures, including Landsberg Engineering, P.C., L&S Energy Services, AWS Scientific (now part of the Gas Research Institute), and The Fleming Group, Dr. Landsberg has consistently driven innovation and created organizations that continue to make a lasting impact in the energy industry.
Dr. Landsberg is a distinguished member of the ASHRAE/ANSI Standards Committees, where he plays a vital role in maintaining energy and carbon standards for existing buildings. His contributions to these committees reflect his unwavering commitment to advancing global energy efficiency and carbon reduction initiatives. Known for his mission to “save the world a building at a time,” Dr. Landsberg has spearheaded transformative projects across industries such as government, healthcare, education, manufacturing, and commercial facilities. His portfolio includes energy analysis for the 9/11 Memorial, resiliency studies for New York counties, and the redesign of central plants for the Las Vegas Convention Center. Internationally, he has led energy strategies for U.S. embassies in over 30 countries, applying his expertise to complex global challenges.
As a trailblazer in commissioning and retro-commissioning, Dr. Landsberg has optimized energy performance for over thousands of projects, including LEED-certified facilities and data centers. His leadership in Combined Heat and Power (CHP) systems has contributed to high-profile projects such as the Empire State Building and Montefiore Medical Center, enabling organizations to enhance efficiency and reduce emissions.
In addition to his entrepreneurial and consulting accomplishments, Dr. Landsberg is a prolific author and thought leader. He co-authored ASHRAE’s Energy Efficiency Guide for Existing Buildings volumes, providing actionable strategies for building owners and operators. As Chairman of ASHRAE’s Guideline 14 Project Committee, he has shaped measurement and verification standards for energy systems. His speaking engagements on topics such as decarbonization, energy performance, and innovative cooling technologies have inspired professionals worldwide to adopt sustainable practices.
Dr. Landsberg’s entrepreneurial ventures, including Landsberg Engineering, P.C. and L&S Energy Services, have cultivated innovation, mentorship, and excellence in energy consulting. His leadership in managing over 300 projects under NYSERDA’s Existing Facilities Program has been instrumental in transforming energy efficiency practices across New York State.
With nearly five decades of experience and deep involvement in setting industry standards, Dr. Landsberg is now exploring opportunities to serve on corporate boards. His unparalleled expertise in energy systems, sustainability, and strategic growth, combined with his commitment to decarbonization and operational excellence, makes him a transformative leader for organizations navigating the challenges of today’s energy landscape.
Character
Dr. Dennis Landsberg exemplifies integrity, innovation, and a steadfast commitment to sustainability, reflected in his nearly five decades of pioneering work in energy efficiency.
Knowledge
With extensive expertise in energy systems, commissioning, and sustainable building technologies, Dr. Landsberg has authored industry-leading resources and guided landmark projects worldwide.
Strategic
Dr. Landsberg combines technical proficiency with visionary thinking, delivering impactful solutions in decarbonization, energy conservation, and operational excellence across diverse sectors.
Communication
A skilled communicator, Dr. Landsberg effectively shares his insights through publications, lectures, and board engagements, inspiring collaboration and advancing global energy standards.
