Joe Baumann
Multifamily Project Manager

Joe Baumann, Multifamily Project Manager: Joe holds a BA from University of Georgia and a JD from Georgia State University College of Law. Before joining SK Collaborative, he worked in the Atlanta Mayors office of Sustainability, as a Legal Fellow for the Atlanta Beltline, a Research Assistant at the Andrew Young School of Policy Studies, and as a Policy Intern at Southface. He manages multifamily certification work including projects certified under EarthCraft Multifamily and Communities, National Green Building Standard (NGBS), Enterprise Green Communities, and LEED for Neighborhood Development. He is a RESNET certified HERS rater, a LEED Green Associate an EarthCraft Technical Advisor, and an NGBS Green Verifier.

Samantha Morton
Single Family Project Manager

Samantha (Sam) Morton, Single Family Project Manager: Sam joins SK Collaborative after working as an Environmental Scientist performing site assessments of commercial properties and as a Commercial Sustainability Services Fellow at Southface. She graduated from the University of Georgia with a Bachelor of Environmental Sciences degree. Sam manages all inspection and certification services for our single family projects and assists with light commercial certification, working with EarthCraft, National Green Building Standard (NGBS), and LEED for Homes. She is a RESNET certified HERS rater, a LEED Green Associate, an EarthCraft Technical Advisor, and an NGBS Green Verifier.

Sarah Hoots
Sales and Marketing Associate

Originally from Albany, Ga., Sarah put down roots in Atlanta in May of 2015 upon finishing graduate school at Lipscomb University in Nashville. After spending two years managing LEED and Green Globes projects, Sarah realized that the marketing and business development side was her calling. 

An adventure traveler and competitive road cyclist, she has explored throughout much of Europe and South America with hopes of conquering Mount Kilimanjaro by 2020. Sarah is also a fan of Renaissance History, Decatur City Church, and farm to table restaurants. 

Daniel Feinberg
Green Building Consultant

Daniel, an Atlanta native, has built a unique skill set in real estate from valuable work experiences in multifamily underwriting, commercial development, and residential sales - working with institutional capital and private equity.  Daniel holds a masters degree in sustainable real estate development (MSRED) from Tulane University.A pianist of twenty years, he also enjoys running, reading, and taking on culinary challenges. 

Abe Kruger
Abe Kruger, SK Collaborative cofounder, honed his expertise in sustainable construction over the last 15 years as a contractor, educator, and consultant in the residential construction industry. He has numerous industry accreditations, including Certified Energy Manager (CEM), LEED AP HOMES, BPI Building Analyst, and Home Energy Rating System (HERS) Trainer, Quality Assurance Designee (QAD), and Rater. He is a member of the national Residential Energy Services Network (RESNET) Board of Directors and Georgia Healthy Homes Coalition Steering Committee. He is the coauthor of the first residential green building textbook, Green Building: Principles and Practices in Residential Construction (Delmar/Cengage Learning).
Carl Seville

Carl Seville has over 30 years of experience in renovation and home construction.  He owned and operated SawHorse, Inc, one of the largest design/build renovation firms in Atlanta for over 25 years. 

Carl is a Green Globes professional, a HERS rater, an NGBS Master Verifier, a LEED Green Rater, and an EarthCraft and Enterprise Green Communities Technical Advisor, and holds the LEED AP Homes designation.  He has served on the boards of directors of the Greater Atlanta Homebuilders Association and the Atlanta chapter of NARI, the Green Building Subcommittee and the Green Building Education Curriculum Committee of NAHB, NARI’s Green Remodeling Education Committee, the Georgia Governor’s Energy Policy Council, the USGBC Residential Green Building Advocate for Atlanta, and as a member of the board of the Atlanta Branch of the USGBC.  

He has contributed to Multifamily Executive, Remodeling Professional Remodeler, Builder, Home Energy, and numerous other trade and consumer publications.  He is a contributing editor for, and is a co-author of Green Building, Principles and Practices in Residential Construction, the first college textbook on residential green building, the USGBC/ASID ReGreen residential green remodeling guidelines and the LEED for Homes Reference Guide.  

 He is a graduate of the Rhode Island School of Design (RISD) where he studied architecture, fine arts, and design.

Diana Sacks
Green Building Consultant

Diana Sacks recently earned a bachelors in environmental engineering from The Georgia Institute of Technology where she participated in several projects studying the effects of wood burning stoves on ambient air quality in rural Nicaragua. She is deeply in love with all things outdoors and her wild dog, Fern.

Jordan Engel
Green Building Consultant

Jordan has a diverse background is sustainability, from designing urban edible landscapes in Baltimore, to building and installing affordable solar air heaters across the Great Plains. He holds a BA in Sustainable Community Development from Berea College in Kentucky, and is a lover of maps, fruit trees, and string band music.