Making Buildings Better 

404/480-4600 |

About Us

Carl Seville

Carl Seville and Abe Kruger, principals at SK Collaborative have a combined total of over 30 years experience in construction and 20 years in sustainability consulting. They are leading authorities on single and multifamily green building consulting and certification and industry education and training. The SK Collaborative team helps homeowners, contractors, architects, manufacturers and non-profit agencies create better buildings and products.

Visit Our Blog

Join us in an ongoing conversation about building, development, sustainability, and other subjects of interest.


Click here to visit the blog

Thought Leaders

The SK Collaborative team are long-time contributors to the building industry.  They have held numerous board and committee positions, developed utility energy efficiency and local green building programs, taught on sustainability to college students and professionals, and write for many leading industry publications.  


Green Building by Carl Seville

In addition to regular columns in Remodeling, Multifamily Executive, Home Energy, and Builder Magazines, and other trade and consumer publications.  Carl and Abe are the co-authors of Green Building, Principles and Practices in Residential Construction, the first textbook to focus specifically on residential green building and renovation.  They also served as the lead writers of the new LEED for Homes Reference Guide.

Leading Speakers and Trainers 

As sought after and respected speakers and teachers on green building and residential construction management, our team has taught classes at the Boston Architectural College and Georgia Tech. We are certified trainers for the National Association of Home Builders, and present regularly at industry conferences including RESNET, Greenbuild, ACI, Greenprints, the International Builders Show, and the Remodeling Show. 

We Specialize In...


Single and Multifamily building certification for LEED for Homes, EarthCraft, ENERGY STAR, National Green Building Standard, and other programs



The most experienced green building team in the region works with you to assure you of the highest performance projects



Keynote addresses, 1 hour trainings, full day classes and college courses; we offer the best in green building education