The People Behind BuildingGreen


Alex Wilson – Founder 

Alex Wilson For more than 30 years, Alex Wilson has been the most trusted voice on energy efficiency and environmentally responsible design and construction. Since launching Environmental Building News (EBN) in 1992, he’s built a reputation, resources, and staff to provide the foundation for BuildingGreen, a consulting and information company that produces and LEEDuser, as well as providing consulting for a variety of companies for whom sustainable design is a core value.

Alex’s expertise in energy efficiency comes from hands-on engagement in the industry, including serving as executive director of the Northeast Sustainable Energy Association for five years in the early 1980s and teaching workshops on the construction of solar greenhouses in New Mexico in the late 1970s. A noted author, his work includes Your Green Home; the Consumer Guide to Home Energy Savings, as co-author; and the Rocky Mountain Institute's comprehensive textbook, Green Development: Integrating Ecology and Real Estate, along with hundreds of articles for publications from Architectural Record, to Popular Science. Alex also leads BuildingGreen’s involvement with Boston Architectural College’s sustainable design curriculum. He served on the board of directors of the U.S. Green Building Council for five years, was a founding member of the USGBC Research Committee, and received the 2008 USGBC Leadership Award for Education. Alex is currently a trustee of The Nature Conservancy–Vermont Chapter, an appropriate role for someone who has written guidebooks on quiet-water paddling throughout the Northeast. (Read More)

Nadav Malin – President & CEO

Nadav Malin Nadav Malin is the building industry’s acknowledged go-to resource when you need thoughtful perspective on the materials and design solutions that define sustainable building practice. A long-serving former member of the national LEED Faculty, he is an experienced trainer and facilitator, convening the network of architecture firm Sustainable Design Leaders and teaching diverse groups about LEED and green building. He is a sought-after workshop facilitator and consultant to USGBC, AIA, large corporations, government agencies, and architecture firms.

As president and CEO of BuildingGreen, he oversees the company’s industry-leading information and community-building websites and LEEDuser. He also served as executive editor of GreenSource magazine throughout its highly decorated seven-year run.

When the LEED rating system was just starting out, Nadav was tapped to lead its new Materials and Resources Technical Advisory Group, which he chaired throughout LEED’s formative years. Nadav also led the team that created the U.S. Department of Energy’s High Performance Buildings Database, and continues to oversee BuildingGreen’s responsibility for ensuring the quality of case studies and collecting meaningful data on actual building performance. When he is not facilitating a rich conversation among design professionals, he can often be found chasing a hockey puck or a soccer ball, depending on the season.

Peter Yost
– Vice President, Technical Services

Peter Yost
Peter Yost is the person you turn to if you want to truly understand how to design or retrofit a high-performing building. He brings more than 25 years experience in building, researching, teaching, writing, and consulting on high-performance homes to his twin roles as vice-president of technical services for BuildingGreen, and technical director for Taunton Press’s His expertise stretches from construction waste management and advanced framing to energy efficiency and building durability.

Peter has been called upon to provide this building-science expertise to the nation’s leading homebuilding programs, including NAHB’s Green Building Standard, USGBC's LEED for Homes, EPA’s WaterSense, and the U.S. Department of Energy's Building America. Peter is an instructor for the Boston Architectural College's Sustainable Design Certificate program and for the University of Massachusetts Department of Building Materials and Wood Technology program in Amherst. A LEED AP, he is a past co-chair of the USGBC's LEED for Homes program, a member of the LEED faculty, and a certified instructor for the NAHB Advanced Green Building: Building Science course. When not at his computer or teaching a class, Peter is often in the attic, basement, or inside the walls of his own 100-year-old home, which he is methodically transforming from an energy hog to a model of efficiency.

Tristan Roberts
– Executive Editor & Publisher

Tristan Roberts
Tristan Roberts is Executive Editor and Publisher for BuildingGreen, Inc., the green building industry’s authoritative publisher. In addition to being a longtime writer and editor at Environmental Building News,, and GreenSpec, Tristan was part of the team that launched LEEDuser. LEEDuser is the leading forum for projects working through the nitty-gritty of LEED certification and related sustainability issues. Tristan is a daily presence on the LEEDuser forum, where he provides advice and facilitates conversations on knotty LEED issues.

A speaker known for his sparkling wit and insight, Roberts has recently spoken at the AIA National Convention, Greenbuild, Yale University, the State University of New York, and the Governor’s Institutes of Vermont, and you’ll find his byline in Landscape Architecture, Energy Design Update, and GreenSource magazines. A LEED AP BD+C, Roberts has been an instructor for the Boston Architectural College’s Sustainable Design Certificate program, and can tell you, in dozens of variations, how many green builders it takes to change a light bulb. Tristan has a personal passion for combining natural building materials, energy-efficiency, and budget-friendly construction practices with sustainability at the community level.

Brent Ehrlich
 – Products & Materials Specialist

Brent is the products & materials specialist and serves as products editor at BuildingGreen, where he researches and writes about green building products, materials, and their health and environmental impacts. He also leads a team of editors who select industry-leading products for the company’s green building product database. A LEED AP BD+C, he has been researching and writing about green building for nearly a decade, but has also taught college composition, copy edited science journals, worked as a carpenter, managed a large commercial kitchen, and held various other occupations. An active runner and cross-country skier, Brent now lives in Vermont with his wife and two children.


Paula Melton – Senior Editor 

Paula Melton, LEED AP BD+C, is Senior editor at BuildingGreen, where she writes and speaks on a variety of sustainable design topics. She has been the lead developer of the company’s special reports and webcasts on LEED version 4, Green Globes, whole-building life-cycle assessment, and material toxicity. Paula has been a speaker at the AIA Convention and at Greenbuild and offers workshops and lectures in a variety of settings. With an MFA in creative writing and a background in both journalism and socially responsible marketing, she has been researching and writing about health and sustainability for more than 15 years. In her spare time, she serves in town government and heads the board of a local progressive school.


Angela Battisto – Operations Director

Kelsey Eaton – Marketing Associate

Ben Hewitt – Web Developer

Andrea Lemon – Web Designer

Candace Pearson – Research Associate

Sarah Rice – Accounting and Office Manager, Human Resources Director

Charlotte Snyder – Customer Service Manager

Jerelyn Wilson – Outreach Director

Kelly Pope - Administrative Assistant/Project Coordinator