Meet the LEEDuser Team
LEEDUser.com is brought to you by BuildingGreen, with help from YRG Sustainability and other LEED experts.
Published by BuildingGreen
LEEDuser is a membership-based resource published by BuildingGreen, Inc. We're an independent company focused on providing high-quality information to help the design and construction industry improve the environmental performance of buildings.
Here are some other resources published by BuildingGreen:
- Environmental Building News, a the leading green building newsletter since 1992
- The GreenSpec Directory of green building products we've screened
- BuildingGreen Suite, a multi-faceted information tool.
The BuildingGreen editorial staff behind LEEDuser include:
- Tristan Roberts, LEED AP BD+C, Editorial Director
- Nadav Malin, LEED AP BD+C, President
- Alex Wilson, LEED AP, Founder and Executive Editor
Additional BuildingGreen editorial staff supporting LEEDuser includes Jennifer Atlee. Marketing staff include Walter Pearce, Jerelyn Wilson, and Marie Jessup, and customer support is provided by Charlotte Snyder. For customer service or other inquiries, you can reach us using this contact form.
The YRG team
Content from YRG Sustainability—LEED and sustainable design experts
YRG Sustainability is the primary content developer and expert resource for LEEDuser. The YRG team's goal with LEEDuser has been to demystify LEED certification by organizing all of their tips, tools, and know-how from years of experience guiding projects through successful LEED certification.
YRG provides technical and strategic consulting to new construction projects, existing facilities, and corporate entities. YRG is organized into teams supporting the following areas:
- Building and community design and construction
- Existing facility operations and maintenance
- Corporate sustainability initiatives
- Education and training
The YRG team includes professionals from a wide range of disciplines, including experts and leaders in the green building industry and with the USGBC and its LEED rating systems. YRG staff have worked with LEED since its inception, including on hundreds of LEED projects across the spectrum of rating systems and located around the world. YRG also works as contractors to the USGBC and GBCI for LEED project certification reviews, Credit Interpretation Rulings, LEED Reference Guide content, LEED Volume program roll-out communications, the existing hotel certification initiative, educational program content development, and more.
LEEDuser experts from the field
The heart of LEEDuser is the hands-on experience of experts from the sustainable design and LEED certification fields. These experts review LEEDuser content to make sure it's as accurate and helpful as possible, and they participate in the forums, answering your questions.

Overall LEED D&C review
Overall review of credit material for the NC, CS, Schools, and CI rating systems has been provided by Fore Solutions, led by Gunnar Hubbard.
Fore Solutions, LLC, an international, high-performance building firm based in Portland, Maine, specializes in consulting services specific to all aspects of green building design and development. The team includes leaders with broad experience in the area of green design and construction. Services offered by Fore Solutions include LEED and green building consulting, contractor services, green building education, energy analysis, real estate portfolio sustainability analysis, municipal and university sustainability consulting, and green building and green community facilitation.

Overall LEED-EBOM review
Dan Ackerstein has provided overall review of LEED-EBOM material.
Dan Ackerstein provides sustainability consulting and EBOM project guidance to public, private and nonprofit clients across the country from the offices of Ackerstein Sustainability, LLC in Santa Cruz, California.
LEEDuser's guest experts
We at LEEDuser are proud to have assembled an "all-star" team of LEED experts to help keep our content relevant to your day-to-day needs and to engage in the LEEDuser forums. Our experts include the following individuals.
- Dan Ackerstein – Ackerstein Sustainability, LLC
- Jacob Arlein – Environmental Building Strategies
- Mara Baum – HOK
- Devon Bertram – YR&G Sustainability
- Karen Blust – CTG Energetics
- Natalie Bodenhamer – CTG Energetics
- Hannah Bronfman – YR&G Sustainability
- Carlie Bullock-Jones – Ecoworks Studio
- Jenny Carney – YR&G Sustainability
- Dylan Connelly – Glumac
- Lisa Fabula – KEMA Services
- Jason Franken – Cannon Design
- Ryan Gaylord – CTG Energetics
- Susann Geithner – Hengst Streff Bajko
- Barry Giles – BuildingWise
- Lauren Glasscock – KEMA Services
- Brittany Grech – YR&G Sustainability
- Daniel Hicks – Geiler & Associates, LL
- Gregory Hurst – AECOM
- Josh Jacobs – Greenguard Environmental Institute
- Larry Jones – Atelier Ten
- Bob Kobet – Sustainaissance International
- Chris Ladner – Viridian
- Nadav Malin – BuildingGreen, Inc.
- Lisa Marshall – KEMA Services
- Allison Beer McKenzie – SHP Leading Design
- Anne Nicklin – Building Materials Reuse Association
- Mike Optiz - The Cadmus Group
- Seema Pandya – YR&G Sustainability
- David Posada – GBD Architects
- Joshua Radoff – YR&G Sustainability
- Tristan Roberts – BuildingGreen, Inc.
- Dane Sanders – Clanton & Associates
- Eddy Santosa – HMC Architects
- Christopher Schaffner – The Green Engineer, LLP
- Eric Shamp – Ecotype Consulting
- Marcus Sheffer – 7group
- Larry C. Sims – Studio4
- Ben Stanley – YR&G Sustainability
- Bill Swanson – Integrated Architecture
- Susie Spivey-Tilson – tvs design
- Andrea Traber – KEMA Services
- Crissy Tsai – Environmental Building Strategies
- Lauren Yarmuth – YR&G Sustainability
Do you want to be a LEEDuser guest expert? Please send us a note via our contact form. Be sure to mention your areas of expertise, including rating system expertise (NC, EBOM, CI, Schools, etc.). We usually add guest experts from people who are already posting to the LEEDuser forum, so if you haven't already, consider spending some time there.



