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We are proud of our foundational role in leading the change and advancing sustainability worldwide since 1997
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LEO is dedicated to advancing sustainability by leveraging innovative tools and information to motivate the competitive market.
LEO is a charitable 501(c)(3) nonprofit organization that was founded in 1997 by its president, Michael Arny, to advance sustainability and environmental improvement. At that time, Michael Arny was the Co-Chair of the Wisconsin State Committee, which had developed a state-wide emissions inventory and reduction cost study that covered all emissions sources in Wisconsin, including those that affect climate and human health.
We helped write the book on sustainable buildings, now let us write yours.
LEO supports your organization in crafting effective sustainability strategies and identifying the most impactful recognition programs to showcase your history.
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Stay up to date with the latest trends in sustainability and LEO’s contributions to the field.
Frequently Asked Questions
Can’t find the answer to your question?
What sustainability certifications can LEO help our building achieve?
LEO supports projects pursuing major sustainability certifications including LEED (v4.1 and v5), WELL, Fitwel, and ENERGY STAR. Our team helps clients plan certification strategies, prepare documentation, manage submissions, and coordinate with certification bodies to achieve the highest possible rating.
How can existing buildings improve sustainability performance?
Many buildings can significantly improve performance through energy optimization, water efficiency improvements, waste reduction programs, and operational best practices. LEO works with facility teams to analyze building data, identify improvement opportunities, and implement strategies that improve performance while reducing operating costs.
What is LEED v5 and how should building owners prepare?
LEED v5 is the newest version of the global green building standard and focuses on decarbonization, resilience, and human health. LEO helps organizations evaluate readiness, identify gaps, and develop an implementation roadmap to successfully pursue LEED v5 certification.
How does sustainability consulting create value for building owners?
Sustainability initiatives can reduce energy and water costs, improve occupant wellbeing, strengthen ESG reporting, and increase asset value. LEO helps organizations translate sustainability goals into measurable operational improvements and recognized certifications.
What types of organizations does LEO work with?
LEO works with commercial buildings, corporate portfolios, government facilities, healthcare institutions, universities, and real estate owners seeking to improve sustainability performance and achieve green building certifications.
Ask LEO
When you work with us, you work with a team that is dedicated to your best interests. Over the past 28 years, we have worked with hundreds of clients, in a wide variety of fields, enabling them to bring their sustainability goals to reality.