• Barbara Heller

    Barbara Heller began Heller & Associates in 1982. She has been responsible for the preparation of over 500 Project Manuals for a wide range of building types which include commercial, residential, military, institutional, restoration and retail projects. Significant projects include: National Museum of the American Indian, Sainsbury Wing of the National Gallery of Art in London, FDR Memorial, Ronald Reagan Building, World Bank Headquarters, over 100 U.S Embassies and Chesapeake Bay Foundation, the first building to be awarded LEED Platinum certification. Ms. Heller is a former Chair of the AIA Documents Committee and former Chair of the Specification and Building Technology PIA. She was elevated to Fellow in the American Institute of Architects and is a Senior Fellow of the Design Futures Council. Ms. Heller is also CEO of sister firm Design + Construction Strategies, a consulting firm that assists building owners with strategic planning, project support and internal work process improvement.

  • Kathleen Alberding

    After 24 years of practicing architecture in large corporate firms, Kathy Alberding joined Heller & Metzger in early 2004, becoming a principal in 2006. She has been involved in the preparation of over 200 Project Manuals for projects ranging from historic preservation/renovation to high rise residential, commercial developments and secure government facilities. Significant projects include: The Wharf at the Southwest Waterfront, National Air and Space Museum, Dunbar Senior High School (DC) and projects at the Department of the Interior, Department of Treasury and U.S. Department of Agriculture, as well as several federal courthouses. In 2006 Ms. Alberding launched Heller & Metzger’s Sustainable Design Consulting Practice with the Pentagon Renovation Project, where she successfully led the Design-Build Team to the achievement of LEED Certifications for Wedges 2, 3, 4 and 5. Since then, she has continued to provide Sustainable Design Consulting Services for projects large and small in both the public and private sectors.

  • Anne Stenger

    Anne Stenger joined Heller & Metzger in 2009, bringing with her 14 years of experience in construction administration in addition to serving as Project Architect for several projects in the DC metro area. Ms. Stenger has been involved in the preparation of over 50 Project Manuals for projects ranging from historic preservation/renovation to high rise residential, universities and schools, landscape architecture, mixed use retail and secure government facilities. Significant projects include: George Washington University Ames Hall renovation, New York Botanical Gardens Native Plant Garden, Roanoke City Market renovation, University of Rochester Media Arts and Innovation Center, Georgetown University School of Continuing Studies, Georgetown University Northeast Triangle dormitory, Chinese Embassy Chancery, The Field School and Powell Elementary School. Ms. Stenger has been elemental in developing the firm’s landscape architecture specifications services since 2010.

  • Sara Stewart
    LEED Green Associate

    Sara Stewart joined Heller & Metzger in 2004 in the role of technical writer. Ms. Stewart assists the senior specification writers at Heller & Metzger in the reviewing, editing and compiling of specifications for all project types. She interacts with architects and manufacturers as needed to obtain product literature and to clarify requirements. Projects that she has worked on include Midfield Terminal Building at Abu Dhabi International Airport, National Air and Space Museum, Pentagon Renovation for Wedges 2, 3, 4, 5 and the American Institute of Taiwan, among many others.