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.

Sandra Leibowitz
AIA, LEED Fellow
Managing Principal
804-644-3880 ext. 1101
202-667-1620 ext. 1101
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As Founder, Owner, and Managing Principal of SDC, Sandra draws from her decades of advanced experience in sustainable design projects and organizational programs to serve owners, architects, and builders with expert green building/ LEED consulting and process management. In addition to directing firm-wide initiatives and providing quality assurance for consulting project management, Sandra now leads and operates from both of SDC’s offices. Email Sandra

Kara Strong
AIA, LEED AP BD+C
Project Director
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 currently serves on USGBC’s Montgomery County Committee and participates in selected internal management activities. Email Kara

Rebecca Aarons-Sydnor
Assoc. AIA, CDT, LEED AP BD+D, ID+C
Project Director
804-644-3880 ext 1102
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Rebecca leads building, interior design, and construction teams pursuing sustainable design certifications across a wide variety of project types. She also develops and delivers professional trainings and coordinates SDC’s specifications reviews for all firm projects. Rebecca currently serves on AIA Virginia’s COTE Steering Committee and participates in selected internal management activities. Email Rebecca

Amy Alexander
LEED AP BD+C
Project Consultant, Office Coordinator
202-667-1620 ext. 2105
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Amy provides project-based consulting and whole-building life-cycle assessments as well as office management, administrative and technical support for SDC’s regional office in Washington, DC. She also coordinates SDC’s company-wide training offerings. Email Amy

Andy Lee
LEED AP
Senior Consultant, Construction Administration
540-735-7470
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With a special focus on advancing SDC’s construction administration-related consulting, Andy applies his background in sustainability consulting to manage and support teams remotely on a wide range of commercial-scale building projects. Email Andy

Annabelle Woodcock
LEED Green Associate
Research Assistant
804-644-3880, ext. 1113
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Annabelle joins SDC’s Richmond office as a research assistant with a recently earned a Bachelor of Science degree in Architecture. She provides project-related research and support to Project Consultants and Project Managers. Email Annabelle

Beth Violette
Project Consultant
401-286-1739
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With an emphasis on multi-unit residential buildings, Beth provides remote assistance to SDC’s Washington office Project Managers on various projects and consulting initiatives. Email Beth

Brendan Collier
EIT, LEED AP BD+C, SITES AP
Project Consultant
202-667-1620 ext. 2111
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Brendan joined SDC’s Washington office with a degree and experience in Civil Engineering, along with practical applications of green building concepts, to support Project Managers on a variety of project types. Email Brendan

Celeste Garrett
CPSM, LEED Green Associate
Senior 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, pursuits, strategies, and image. She is also active in and a past-President of the Society for Marketing Professional Services, Virginia Chapter. Email Celeste

Christoph Weindl
LEED AP BD+C
Project Consultant
804-644-3880 ext. 1109
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Christoph joined SDC’s Richmond office with a degree in Civil and Environmental Engineering and experience applying green building concepts and standards on European projects to support Project Managers on a variety of project types. Email Christoph

Christopher Davis
LEEP AP O+M, WELL AP
Senior Consultant, Building Performance
202-667-1620 ext 2102
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Christopher applies his extensive background in professional firms and organizations as well as deep experience in green building design, construction and operations for commercial real estate to manage and consult on various SDC project types and building performance initiatives throughout the DC-area and beyond. Email Christopher

Danielle Waters
LEED AP BD+C
Project Consultant
202-667-1620 ext. 2107
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Danielle applies her Bachelor of Arts degree with a major in Architecture and a minor in Sustainability to provide project-based consulting, specifications reviews, and daylight modeling for SDC’s Washington, DC office. Email Danielle

Heather Bray
LEED AP BD+C
Office Coordinator / Project Consultant
804-644-3880 ext.1103
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Heather joined SDC Richmond with a Bachelor’s Degree in Sustainability Management to provide office management, administrative, marketing and technical support, as well as project-based research and assistance for a variety of project types and consulting initiatives. Email Heather

James Reinertsen
AIA, LEED AP BD+C, O+M, GGP
Senior Project Manager
651-353-5712
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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 remote-process management for a range of green building projects, including educational and state government facilities, mixed-use, and multi-unit residential buildings. Email James

Luis Huertas
AIA, NCARB, LEED AP BD+C, LFA
Senior Project Manager
804-644-3880 ext. 1108
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Drawing from his years of architectural practice, Luis provides project management and consulting for a variety of SDC’s Richmond office’s commercial building types. A native Spanish-speaker, he delivers Spanish-language presentations and trainings and is active in Richmond-area sustainability initiatives. Email Luis

Pamela Jones
Senior 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, financial reporting, cyber-security, and information technology infrastructure from the company’s main office in Richmond, VA. Email Pamela

Patrick MacPherson
LEED AP BD+C
Project Manager
804-644-3880 ext.1110
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With extensive experience in design and construction projects and processes, Patrick leads teams in applying sustainable building strategies and reviewing projects for compliance with green building standards. Email Patrick

Rishabh Shukla
Energy Specialist
202-667-1620 ext. 2109
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Drawing from his background in mechanical engineering and graduate work in Clean and Renewable Energy, Rishabh joins SDC’s Washington office to provide energy-related consulting support for a wide variety of commercial-scale projects and programs. Email Rishabh