Since our establishment in 2005, we have set out to expand the possibilities of healthy, sustainable residential design with a team of local experts and innovators.

Anthony Maschmedt | Principal 


With more than thirteen years experience building homes in the greater Seattle area, Anthony is an advocate for sustainable design and green construction. He continues to push the envelope in the sustainable community with innovative construction methods that have positively influenced city building practices. As a lifelong Seattleite, Anthony has a deep commitment to creating communities that bring together like-minded individuals who value sustainability and modern design.

Anthony has served as the Chair on the Board of the Master Builder’s Association of King and Snohomish Counties’ Built Green Residential Building Program for the last three years. He is a key member of the Columbia City Business Association and is sought after in the Seattle sustainable community to promote and share Dwell Development’s green agenda.

Abbey Maschmedt | Design Project Manager


As Design Project Manager at Dwell Development, Abbey is not only focused on selecting home finishes, but more importantly, seeking out rare, reclaimed materials that make each home a one-of-a-kind. Abbey collaborates with local suppliers to incorporate high end products and sustainable materials into every home to reflect a unique design personality.

Recently Abbey received international recognition for efforts in green design. Abbey worked in the building trades for over 20 years before joining forces with her husband Anthony in 2013. Abbey’s design is most inspired by travel. She appreciates the historical architecture found around the world.

Aaron Yankauskas | Project Manager


Aaron brings over 10 years of experience as Dwell Development’s Project Manager. He developed his affinity for well-designed, modern and sustainable homes by working for both architects and builders in his hometown of Boston. In Seattle, Aaron co-owned Brute Force Collaborative, the design and Passivhaus consulting firm on Dwell Development’s first Passivhaus in Columbia City.

In 2014, he officially joined forces with Dwell Development to implement Passivhaus strategies and high-performance systems in more homes and aims to seamlessly integrate those principles into every project. In his time at Dwell Development, Aaron has realized three Passivhaus projects, two HERS-Zero homes, and was the Project Manager and Site Superintendent for Seattle’s first Emerald Star Certified home which took home Built Green’s Project of the Year Award in 2015.

Roman Migdal |  Project Manager 


Roman has been in the construction industry for over 10 years. As a previous owner of a carpentry business and project manager at a local construction company, Roman has a long history of building high-end homes in the greater Seattle area.

His great attention to detail and high quality standard made him a perfect fit for the Dwell Development team. Roman joined the team in 2016 and is excited to bring his building expertise, while also helping to further Dwell Development’s green agenda.

Tadashi Shiga |  Owner, Evergreen Certified


Tadashi Shiga, owner of Evergreen Certified, possesses the knowledge, experience, and determination to help Dwell Development achieve their sustainable building project goals. Tadashi goes beyond mere consultation and works to build systems that create lasting change. With an interest in continual development, Tadashi stays current on all new green building techniques and strategies through regular training and certification.

In addition to Built Green Verifier, he possesses several advanced sustainable building credentials and affiliations including Certified HERS rater, Northwest ENERGY STAR Verifier and US Department of Energy Builders Challenge Partner. He is also the only Passivhaus certifier in Washington State.

Susan Stasik |  Managing Broker, Windermere Real Estate/NW, Inc.


Susan is one of the top listing and selling Brokers with Windermere Real Estate and has been a longtime partner with Dwell Development. With over 25 years of real estate experience, Susan is a seasoned professional having touched many areas of the industry.  With in-depth knowledge of Green building practices, marketing and sales, her expertise assures Dwell Development’s success.


She is a multiple Green Genius Award recipient for cutting-edge market intelligence in selling green and energy efficient homes. Susan is a proud graduate of Washington State University. When she is not listing and selling homes, she enjoys time at the beach on Orcas Island and in the mountains near Suncadia.

Amy Leedom |  Co-Owner, Paxson Fay Marketing + Communications


Amy is the co-owner of Paxson Fay, a Seattle-based marketing and communications firm specializing in architecture, design and art. After 5 years of working in advertising in New York and Los Angeles, Amy returned to her hometown of Seattle where she received an MBA and certificate in marketing from Seattle University’s

Albers School of Business and Economics in 2015. Amy launched Paxson Fay with co-owner, Tessa Andrews, in 2015 and now has over 10 clients across the country.

Lisa Cairns |  Owner, On Track Business Solutions 


Lisa has been providing accounting and business support to Dwell Development since its inception in 2006. Her professional background as a controller and operations manager in the construction equipment field gave Lisa the experience and expertise to drive

business operations at Dwell Development. Raised in Arizona, she has lived in Washington for 29 years and now resides in the Lake Tapps area with her family.