Team

SDC's award-winning team is comprised of design, construction, environmental, and business professionals specializing in commercial-scale sustainable building design, construction, operations, and maintenance. These experienced and credentialed professionals are regularly called upon to serve on green industry councils, speak at green building conferences, and author articles on the topic of sustainable design.

Leadership Team Member
Sandra Leibowitz
Sandra Leibowitz
AIA, LEED Fellow
Managing Principal
804-644-3880 ext. 1101
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As founder, owner, and Managing Principal of SDC, Sandra draws from over two decades of advanced experience in sustainable design projects and organizational programs to serve developers, architects and builders with expert green building/ LEED consulting and process management. In addition to leading firm-wide initiatives and providing quality assurance for projects managed from SDC’s main office in Richmond, Sandra continues to actively manage projects herself, focusing on sustainable program development and green building consulting for K-12 schools and a variety of other building projects. This email address is being protected from spambots. You need JavaScript enabled to view it.

Abby Shoemaker
Abby Shoemaker
LEED AP BD+C
Project Consultant
202-667-1620 ext. 2107
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Abby joins SDC’s Washington, DC office with a recently earned graduate degree in Sustainability Management and practical experience working on LEED projects to support Project Managers on k-12 schools and other project types.  This email address is being protected from spambots. You need JavaScript enabled to view it.

Annie Colpitts
Annie Colpitts
Office Coordinator
804-644-3880 ext. 1103
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Annie provides part-time office management, administrative and technical support, as well as marketing coordination, for SDC’s main office in Richmond, VA. This email address is being protected from spambots. You need JavaScript enabled to view it.

Avneet Gujral
Avneet Gujral
Intl. Assoc. AIA, IIA,
LEED AP BD+C, ND
Senior Project Manager
202-667-1620 ext. 2109
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Avneet draws upon her experience in master planning and design of a diverse range of projects including institutional, educational, and residential buildings. With SDC, Avneet manages and provides guidance for neighborhood developments, mixed-use, commercial, and institutional projects. Avneet is also an approved Green Communities Charrette Facilitator. This email address is being protected from spambots. You need JavaScript enabled to view it.

Beth Violette
Beth Violette
LEED AP BD+C
Project Consultant
401-286-1739
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Drawing from her prior background in LEED consulting for SDC, Beth re-joins our team to provide remote assistance to Washington office Project Managers on a variety of regional projects. This email address is being protected from spambots. You need JavaScript enabled to view it.

Celeste Boley
Celeste VanLandingham
CPSM, LEED Green Associate
Marketing Manager
804-644-3880 ext. 1104
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Having focused on marketing and communications for the A/E/C industry throughout her career, Celeste manages SDC’s firm-wide marketing infrastructure and image. She also currently serves as President-Elect for the Society for Marketing Professional Services, Virginia Chapter. This email address is being protected from spambots. You need JavaScript enabled to view it.

David Hryvniak
David Hryvniak
HERS Rater, LEED AP BD+C
Research Assistant
804-644-3880 ext. 1113
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David recently earned a Bachelor of Science degree with a dual-major in Integrated Science and Technology and Studio Art. As a research assistant in SDC’s Richmond, VA office, he provides project-related research and support to Project Consultants and Project Managers. This email address is being protected from spambots. You need JavaScript enabled to view it.

Dell Rasley
Dell Rasley
PHR
Human Resources Manager
804-644-3880 ext. 1112
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Dell implements the day-to-day operations of SDC’s Human Resources department, including the recruitment process, the administration of human resources policies and procedures, and employee relations. This email address is being protected from spambots. You need JavaScript enabled to view it.

Elizabeth Floyd
Elizabeth Floyd
AIA, LEED AP BD+C, ID+C
Project Director
202-667-1620 ext. 2102
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A long-time practicing architect, Elizabeth (Zeba) manages a wide range of green building projects including office buildings, higher education facilities, and government facilities. Elizabeth is also a certified instructor for the green building training system GreenAdvantage™. This email address is being protected from spambots. You need JavaScript enabled to view it.

James Reinertsen
James Reinertsen
AIA, LEED AP BD+C, O+M, GGP
Project Manager
202-667-1620 ext. 2103
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James draws upon his experience leading teams of designers, owners, and contractors to meet their goals in sustainable design. With SDC, James provides LEED process management for a range of green building projects, including K-12 schools, municipal facilities, office, and multi-unit residential buildings. This email address is being protected from spambots. You need JavaScript enabled to view it.

Kara Strong
Kara Strong
AIA, LEED AP BD+C
Senior Project Manager
202-667-1620 ext. 2101
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Drawing from her years in architectural practice, Kara leads teams in the development of green educational facilities, institutional office buildings, and residential developments. Kara also leads trainings and workshops on a wide variety of green building topics. Kara is an approved Green Communities Charrette Facilitator. This email address is being protected from spambots. You need JavaScript enabled to view it.

Leadership Team Member
Steven Piguet
Steven Piguet
AIA, LEED Fellow
Associate Principal
202-667-1620 ext. 2114
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As Associate Principal, Steven contributes to firm-wide leadership and provides oversight for projects managed from SDC’s Washington office. Drawing from his previous background as Director of Facilities for a Fortune 500 company, combined with his experience as one of USGBC’s early Directors, Steven also serves as SDC’s in-house expert on sustainable building operations and maintenance, and provides process management and consulting services to office building owners and developers for existing buildings. This email address is being protected from spambots. You need JavaScript enabled to view it.

Linda Davisson
Linda Davisson
IIDA, CDT, LEED AP ID+C, BD+C
Senior Consultant
650-479-3444
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Linda provides technical services that support architects, designers, and developers in implementing green building practices for office buildings, commercial interiors, schools, and institutional projects. Linda also provides specification editing and project LEED certification review services from her off-site location. This email address is being protected from spambots. You need JavaScript enabled to view it.

Luis
Luis Huertas
AIA, NCARB, LEED AP BD+C
Project Manager
804-644-3880 ext. 1108
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As a Project Manager in SDC's Richmond office, Luis provides LEED process management for a variety of commercial building types.  He currently serves on the Board of Directors of AIA Richmond Chapter.  A native Spanish-speaker, Luis is also a co-founder of the Caribbean Green Building Council. This email address is being protected from spambots. You need JavaScript enabled to view it.

Marisa Britton
Marisa Britton
Assoc. AIA, LEED AP BD+C
Senior Consultant
202-667-1620 ext. 2104
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Marisa provides project management, consulting and support for SDC's Washington, DC office on various building types, with a particular focus on K-12 schools, municipal and higher educational facilities. This email address is being protected from spambots. You need JavaScript enabled to view it.

Pamela Jones
Pamela Jones
Accounting and IT Manager
804-644-3880 ext. 1107
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Pamela manages the multiple facets of SDC’s accounts receivable, accounts payable, project costing, and information technology infrastructure from the company’s main office in Richmond, VA. This email address is being protected from spambots. You need JavaScript enabled to view it.

Patrick MacPherson
Patrick MacPherson
LEED AP BD+C
Senior Consultant
804-644-3880 ext. 1110
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With a special focus on advancing SDC's Construction Administration-related consulting, Patrick provides project coordination and support to design and construction teams pursuing LEED certification by reviewing, advising on, and helping document a wide range of practical green building strategies. This email address is being protected from spambots. You need JavaScript enabled to view it.

Rebecca Aarons-Sydnor
Rebecca Aarons-Sydnor
Assoc. AIA, CDT,
LEED AP BD+C, ID+C
Senior Project Manager
804-644-3880 ext. 1102
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Rebecca leads building, interior design, and construction teams pursuing sustainable design LEED certifications across a wide variety of project types. She also develops and delivers trainings on LEED, GreenAdvantage, green product labeling, specifications, and other sustainability issues. In addition, she coordinates SDC’s specifications reviews for all firm projects. This email address is being protected from spambots. You need JavaScript enabled to view it.

Sara Zoumbaris
Sara Zoumbaris
Assoc. IIDA, LEED AP ID+C
Project Consultant
804-644-3880 ext. 1109
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Building upon her graduate degree in Interior Design, Sara provides project-related consulting and support to Project Managers on a variety of building types from SDC's Richmond office. She also previously served as Chair of the USGBC Greater Virginia Chapter.   This email address is being protected from spambots. You need JavaScript enabled to view it.

Sarah Scolnik
Sarah Scolnik
Assoc. AIA, LEED AP BD+C
Project Consultant
202-667-1620 ext. 2111
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Sarah joins our Washington office with a background in architecture and sustainability consulting to support Project Managers on a wide range of commercial-scale building projects. This email address is being protected from spambots. You need JavaScript enabled to view it.

Susan Piguet
Susan Piguet
Business Development
Associate
917-334-5670
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Susan has devoted her career to business development, with an emphasis on promoting sustainable business practices. With SDC, she creates and manages strategic relationships and alliances with other organizations, including professional firms, colleges and universities, research institutions, and government agencies. Susan has been deeply involved with and committed to green building issues since the founding of the USGBC, and has held the title of Vice President of Business Development for the World Green Building Council. This email address is being protected from spambots. You need JavaScript enabled to view it.

Yang Hu
Yang Hu
LEED Green Associate
Research Assistant / Office Coordinator
202-667-1620 ext. 2105
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Yang provides office management, administrative and technical support, as well as project-based research and assistance, for SDC’s regional office in Washington, DC. This email address is being protected from spambots. You need JavaScript enabled to view it.