Our Team

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Erik Anders Nelson


Erik has been working in the engineering and construction industry since 1996 and started Structures Workshop in 2008. He has helped design over 1000 structures ranging in scale from small houses to baseball stadiums and high rises.

Erik is an adjunct professor in the Architecture Department at the Rhode Island School of Design. He has also taught engineering courses at University of Massachusetts and MIT. He reads and writes about the intersections of engineering with philosophy, art and architecture and continues to publish articles in Structure Magazine, Civil Engineering Magazine, and Modern Steel Construction Magazine. Erik is the past President of the Structural Engineers Association of Rhode Island (SEARI).

Bio / CV


Ethan Pierce Tirrell

Project Engineer

Ethan has been professionally active in the construction industry since 2006. From 2006 to 2010, Ethan worked as a carpenter in high-end remodeling and renovation. In 2010, Ethan commenced his structural engineering career here at Structures Workshop.

Ethan is an experienced structural engineer (8+ years) and effective team leader. In his time at Structures Workshop, Ethan has contributed on over 400 projects and boasts a diverse work portfolio that includes design of miscellaneous metals, steel connections, and residential and commercial buildings.

Ethan is driven by a passion to build. In 2017, Ethan designed and built a house in Rehoboth, MA, where he currently resides.

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Katherine Coumes


Katherine has been fascinated with engineering and design since childhood. Her early interest lead her to complete undergraduate in Civil Engineering and graduate degree in Construction Engineering at Cornell University in Ithaca, NY. When not engaged in engineering and design work, Katherine is active in her community. She volunteers at the Providence Public Library and the Boston Children’s Hospital Rooftop Garden. She is a lector at the Cathedral of Saints Peter and Paul and helps tutor immigrants to pass the United States citizen exam through the Diocese of Providence. Katherine also ushers at Trinity Rep and The Gamm Theatre; she recently helped the latter move to their new building. Katherine considers herself a definite geek and loves reading, writing, gaming, crafting, costuming, live theater, and traveling.

Yuran Tavares


Yuran was born in Cape Verde, an archipelago located on the west coast of Africa; he immigrated to this country with his family at the age of fourteen. He earned his bachelor’s degree in Civil Engineering from the University of Massachusetts Dartmouth. He enjoys working at Structures Workshop because it is an innovative firm that cares about design and clients. In addition to engineering, Yuran is very passionate about fitness and health. He enjoys playing soccer and being around his family and friends. Yuran’s ultimate life goal is to give back to his homeland by using his engineering skills to improve building design and infrastructure.


Dane Luchkiw


Dane has over 12 years experience in structural engineering and hails from Philadelphia. He joined SW in July 2019 and brings of wealth of experience with him including multi-story building design and experience in all materials (steel, concrete, wood, masonry).

Hamed Abshari


Hamed is originally from Tehran, Iran and graduated from University of Memphis with M.Sc. in Civil Engineering. Hamed is an experienced structural design engineer for residential, commercial, industrial, and institutional facilities. Hamed’s varied background includes design of structural steel, reinforced concrete, composite concrete and steel, precast-prestressed concrete.


Xuncheng (Sean) Xiong


Sean is a recent graduate of Northeastern with a Masters in Structural Engineering and he hails from China. He worked a few briefs stints at both the MBTA as an Assistand Project Manager in Boston as well as a Civil Engineer for a construction company in Suzhou, China.


Sanaa Nelson

Accounting / Book Keeping / Human Resources

Sanaa is originally from Morocco and has lived in the United States for over 20 years. She is responsible for accounting here at Structures Workshop, including all client accounts, accounts receivable, and helps with human resources.

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