• 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.

  • 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.

  • Maria Antonis

    Maria Antonis joined Heller and Metzger in 2014, bringing with her more than 25 years of architectural experience focused on design and management of a wide range of projects with an emphasis on academic, and science and technology facilities. As a Designer, Senior Project Manager, and Project Executive, Ms. Antonis’ leadership and work with talented design teams provided her with the knowledge, experience and understanding of the processes involved in the design of both small- and large-scale complex projects. In her position at Heller and Metzger, Ms. Antonis has been involved in the preparation of a variety of project manuals including, government, educational, institutional, and mixed-use projects. Her strong foundation in design and technical design brings value to her contributions and insights as a specifier, ensuring the many aspects and specialists on a project are successfully coordinated, and the technical criteria is efficiently managed; leading to successful outcomes for clients and project teams. In addition to writing technical specifications, Ms. Antonis also works with integrated sustainable design teams, owner, engineers, and contractors to provide Sustainable Design Consulting Services to Heller and Metzger’s clients.

  • 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.