• DFI Europe
  • DFI India
  • DFI Trust


Executive Director

Theresa Engler has been with the Deep Foundations Institute (DFI) for more than 25 years. She was appointed to the position of executive director July 1, 2006, after serving as assistant director since 1998 and in other roles since 1994. Theresa is responsible for the operations, technical activities, regional chapters and marketing of DFI, and reports to the DFI Board of Trustees. Additionally, she serves as the executive director of the DFI Educational Trust.

Working in collaboration with the DFI Board, Theresa has spearheaded significant growth at DFI including new members, technical committees, educational events, publications, and regional chapters in Europe, India and the Middle East. Theresa is actively involved in the deep foundations industry and represents DFI at conferences and seminars worldwide.

She attended Fairfield University and served on the Board of Trustees of the Academy of Geo-Professionals

She is also a member of the American Society of Association Executives as well as its New Jersey and New York Chapters and a member of the National Association of Women in Construction (NAWIC). In 2015, Theresa was unanimously elected to membership in The Moles, a fraternal organization of the heavy construction industry and was named Outstanding Association Executive by the New York Society of Association Executives (NYSAE) in 2019.

DFI Headquarters Staff

Theresa EnglerExecutive Director
Mimi MarinkovicExecutive Assistant
Mary Ellen (Bruce) Large, P.E., D.GEDirector of Technical Activities
Emilio Fandino, J.D.Director of Administration
Ashley GordonDirector of Information Technology & Marketing
Angie GibbleMeetings & Events Specialist
Jessica Zellat Web Coordinator
Jaime CettinaProfessional Development Coordinator
Alexandra DamonSocial Media Manager
KC ChristieDatabase and Membership Coordinator
Lisa RaymentBookkeeper
Marlo PontesAssistant Bookkeeper
Carol PlanitzerAdministrative Assistant, Technical Activities
Barbra RodriguezEditor, Deep Foundations magazine
Karol PaltsiosDFI Marketing Consultant, Managing Editor and Advertising Manager
Lorraine EngelmanTravel Coordinator
Publications/OrdersPlease email shipping@dfi.org or call 973.423.4030