OUR MISSIONSage Green empowers project teams to embed sustainability at every stage of design and construction. We align with stakeholder values to deliver high-performance, healthy, and enduring spaces - making sustainability a core design principle, not just a checklist.
What we do
Sage Green Strategies is a sustainability consulting firm specializing in green building certifications and corporate sustainability strategy. We partner with architects, developers, building owners, and contractors to deliver efficient, high-performance spaces that are as beautiful as they are sustainable.
Our team brings deep expertise in third-party certification frameworks including LEED, GreenPoint Rated, WELL, Fitwel, Living Building Challenge, and CHPS. As meticulous project managers, we ensure every requirement is integrated from the earliest design phases through construction and project close-out—guiding teams to meet targets with clarity and precision.
Our portfolio decarbonization strategies help teams improve efficiency, cut operating costs, and reduce emissions across new and existing buildings. At Sage Green, we believe sustainability and efficiency are one and the same - and that doing what's right for the planet should also support your bottom line.
Experts in 3rd party sustainability and green building certifications
Our Ethos
Guiding Principals
Empower
Guide
Educate
Core Values
Resilience
Adaptability
Integrity
Collaboration and Partnership
Transparency
Environmental Mitigation
Our Team
Lisa Marshall
Principal and Founder
lisa@sagegreen.us | 925.243.5525
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Lisa Marshall is the Principal at Sage Green Strategies, with over 26 years of experience in design, construction, and sustainability. A licensed architect in Colorado and California, she’s an expert in sustainable building, energy efficiency, and low-impact materials. Lisa is a LEED AP (BD+C and ID+C) and a certified GreenPoint Rater, with a track record of consulting on a wide range of commercial and residential projects.
Before founding Sage Green in 2013, she held senior roles at DNV KEMA, Gensler, and Jones Lang LaSalle. Her work spans sectors from healthcare and education to retail and government, always with sustainability at the core. Lisa leads a passionate team ready to bring smart, efficient solutions to every project.
View Resume → -
1995
B.A., Architecture
University of Nebraska
1993
Associates, Architectural Studies
Southeast Community College, NE -
Certifications
Licensed Architect, State of Colorado ARC-203718 (2003)
LEED® Accredited Professional (2003)
LEED® Accredited Professional specialty in Building Design and Construction 2009 (2003)
Licensed Architect, State of California, C 34361 (2013)
Certified GreenPoint Rater for New Homes, State of California, 14301 (2014)
LEEDv4® Accredited Professional specialty in Interior Design and Construction (2017)
Certified GreenPoint Rater for Existing Home Multifamily (EHMF), State of California, 14301 (2024)
Professional Affiliations
American Institute of Architects – 2003 to 2013
US Green Building Council – 2003 to present
Build it Green – 2014 to present
Ali Ronning
Senior Sustainability Consultant
ali@sagegreen.us | 831.431.3032
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Ali is a sustainability professional with 10 years of experience delivering high-performance green building projects and leading corporate sustainability initiatives. She has brought her expertise to some of the world’s most ambitious green building projects, including the largest Living Building Challenge project and the second-largest LEED Platinum project. She is passionate about creating healthier, more sustainable spaces through WELL, Fitwel, and CHPS certifications, while also helping organizations advance ESG reporting, GHG accounting, and emissions reduction strategies. With a gift for connecting sustainability goals to big-picture business priorities, Ali empowers teams to create lasting environmental and social impact.
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2014
B.A., Environmental Studies
University of Colorado, Boulder -
LEED® Accredited Professional specialty in Building Design and Construction
Cookie Dough
Master of Mischief
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School of Hard Knocks
Rocket
Guardian of the Galaxy
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Life on the Streets
Darth Maul
Galactic Overlord
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Jedi Training - Disneyland
Ruthie Ronning
Chief Bark Officer
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Too Cool for School
Let’s build something lasting — for your project and the planet.
We are eager to partner with your team to embed sustainability into your projects. Whether you are seeking guidance on Green Building Certifications, decarbonization planning, or even looking for assistance navigating building code updates, we would love to connect. Sage Green brings clarity, strategy, and hands-on guidance to every phase of the project. Let's chat about your goals and discuss how we can support your team!