The successful practice of architecture is centered upon a holistic approach to design and collaboration, led by knowledge leaders who will stimulate and manage the planning process. Our firm’s principals and associates provide a wide range of industry expertise, with practice backgrounds from around the world.

William A.L. Gaudreau, AIA

CEO | President

Since joining the firm in 1981, Bill has led the firm's science and high technology design practice serving colleges and universities in research and teaching facilities, bioscience and pharmaceutical companies, state and federal laboratories across the country. In 2001, he became the firm president. His experience includes a wide range of research environments, including bio-containment, CGMP clean rooms, animal research facilities and university related research parks. His clients have included Wake Forest Medical Center, Human Genome Sciences, the National Institutes of Health, Consumer Product Safety Commission and the DEA. He holds a NCARB certificate and is a past President of AIA Baltimore.

David G. Gaudreau, AIA

COO | Senior Vice President

David is a Principal of Gaudreau, Inc. with more than 28 years of experience in the planning and design of academic, corporate and academic facilities. David has worked with numerous public and private sector k-12 school systems as well as colleges and universities. David's educational clients include the Archdiocese of Baltimore, Calvert Hall College High School, Delaware School for the Deaf, Gallaudet University, Cornell University, University of Maryland, Morgan State University and Bowie State University.

He has been a Senior Vice President since 2001 and has served as the Treasurer on the Maryland state component of the American Institute of Architects. He is a member and presenter at CEFPI, a member of SCUP and DBIA and promotes design/build and public private partnership (P3) pursuits for the firm. He also provides the on-going leadership necessary to support the technological advancement of our practice.

James Bartlett, AIA, LEED AP BD+C

Director of Design | Associate Principal

As the Director of Design, Jim joined the firm from Canada in 1997 and has led design teams for significant and complex projects across the country for all of our industries. As a LEED accredited professional, he endeavors to integrate his knowledge into an integrated and holistic approach to energy efficient and sustainable building design. His recent projects have included the awarded Wake Forest BioTech Place in Winston-Salem, North Carolina and the State of Maryland Medical Examiner’s Center in Baltimore, Maryland.

Stephen A. Leonhardt, AIA

Associate Principal

Steve oversees project teams for science and technology facilities and office buildings, and has practiced around the world, including projects for hospitality and resorts. He joined the firm in 2007 and is an Associate Principal and Senior Project Director. Steve is a leader in the community and has served in the Boys Scouts of America for over 20 years. His recent clients have included large and complex projects in the University of Maryland BioPark and Piedmont Triangle Research Park in Winston-Salem, North Carolina.

Margaret (Peggy) Aparicio, CPA

Chief Financial Officer

Peggy has more than 30 years of diverse experience managing accounting and human resources. Her expertise includes corporate accounting, financial reporting and analysis, budgeting and audit requirements. Peggy is responsible for our overall financial planning, and financial operations.

Marc G. Daemen, AIA

Senior Associate

Marc joined Gaudreau, Inc. in November of 1998 from Canada, and brings experience in a broad range of project types including commercial, institutional, recreational and award-winning residential design. As Senior Associate, Marc has been extensively involved with institutional clients, including the University of Maryland Medical Center, Johns Hopkins School of Medicine and Alexandria Real Estate Equities.

Mark Dininno, RA

Senior Associate

Mark is a registered architect with 35 years of experience. Since joining Gaudreau, Inc. in 1990, Mark has been an invaluable asset to the firm’s science and high technology studio. He has been involved with many of the firm’s complex laboratory projects including projects for Lonza Biologics, Inc., the US Army Corps of Engineers and Human Genome Sciences, Inc.

Esra Martin, AIA, LEED AP

Senior Associate

Esra joined Gaudreau, Inc. in 2015 has over 16 years of design and project management experience. Her background encompasses preparation of concept, schematic, and design development plans as well as construction documents for a variety of project types. Project types include: mixed-use, retail, residential, resorts and hotels, office buildings as well as education facilities.

Grant Jenkin, RA

Senior Associate

Grant is a Senior Associate and Project Manager with work experience in New Zealand, Australia, Malaysia as well as the US. Since joining Gaudreau in 2000, his project experience has included office, mixed-use, academic, research and institutional facilities. His project responsibilities have ranged from design development through construction documentation and construction contract administration. His clients have included the McCormick Spice Company and the Drug Enforcement Agency.

Richard Williams, AIA, LEED BD+C CDT

Senior Associate

Rich is a registered architect with nearly 40 years of experience. Mr. Williams has extensive experience directing projects from pre-schematic planning through post-construction services.  His vast experience in the design of state-of-the-art science and high-tech laboratory facilities is a great asset to the Gaudreau team. Most recently Rich has worked on projects for Longfellow Real Estate Partners, USDA and the Nationals Institutes of Health.

Erik Annis, RA, LEED AP


Erik has over 20 years of architectural experience spanning all phases of the design and construction process for a variety of project types. Project types include: science and technology facilities, educational facilities, office buildings as well as student housing and senior living projects. Erik has served as our laboratory planner for our award winning projects in the Wake Forest Innovation Center.  Currently, Erik is designing laboratory spaces for the Goucher College Hoffberger Science Building and the Salisbury Animal Health Laboratory.

Stacy Brian, RA, LEED AP BD+C


Stacy has over 20 years of professional experience working on a broad range of project types. Her experience includes site evaluations, feasibility studies, concept design and construction documentation. She has recently worked on projects for the US Army Corps of Engineers, the National Institutes of Health and the Association of Maryland Pilots.

Tyler Grimshaw, RA


Tyler is a registered architect with over ten years of experience. Mr. Grimshaw began his professional architectural career here at Gaudreau and has gained experience in site evaluations, feasibility studies, concept design, construction documentation and construction administration. He has recently worked on projects for Wake Forest Baptist Medical Center, Personal Genome Diagnostics, Anne Arundel County Public Schools and The Johns Hopkins University

Adam Mott, CCCA


Adam is an experience Construction Contract Administrator with over 30 years of experience in the industry. He has performed construction administration duties on a broad range of facility types including educational, science/high-technology and corporate facilities.  Adam has worked on our Delaware School for the Deaf, the Maryland Forensic Science Center and the Annapolis High School projects.

Erin Reinhart, AIA, LEED AP BD+C


Erin has nearly 20 years of architectural experience in a broad range of project types and is the LEED specialist at Gaudreau. Most recently, Erin served as the Project Manager for two of the National Institutes of Health’s largest office re-leasing projects in over 20 years. She developed the Program of Requirements which consolidated 15 different NIH agencies (2,700 NIH employees) in five separate office buildings into a 500,000 sf, two facility complex.

James Sheehan


Jim has nearly 20 years of experience in the architecture field. During this time he has acquired well-balanced experience in the design and technical aspects of architecture, enhancing his ability to design cost-effective and functional facilities that complement their surroundings as well as respond to the Owner’s desired image and character. Jim recently completed Gallaudet University’s new residence hall for the Model Secondary School for the Deaf. He is currently serving as the Project Manager for the MPT Studio “A” renovation project.

Christopher Taylor, RA


Chris has 20 years of experience in both the public and private sector. His primary experience includes hands-on team leadership in the development of design and construction documents. He has also assisted with code searches, product selections and presentation materials. He has experience in a broad range of project types and most recently worked on the award winning Wake Forest Biotech Place, Wake Forest School of Medicine and the 525@Vine buildings located in the Wake Forest Innovation Center.