Our Team
ANGELA O’BYRNE, FAIA, NCARB, LEED AP
PRESIDENT
Since 2000, Angela has served as the Owner and President of Perez. Under Angela O’Byrne’s visionary leadership, Perez APC has grown into an international firm, with projects across the country and around the globe. In her career, spanning nearly 40 years, Angela has served as Principal in Charge on diverse project types including multi-family housing, healthcare, hospitality, master planning, historic preservation, education, military & government, LEED certified projects, resiliency design, and more, winning dozens of awards. She earned a Master of Architecture from Tulane University and an MS in Real Estate Development from Columbia University, and has since become a licensed architect in over 20 states, a licensed general contractor in 3 states, a Fellow of the American Institute of Architects, and a LEED Accredited Professional. She has served on dozens of non-profit boards of directors, including those of her 2 alma maters, and continues to serve communities where Perez works.
MARY ALEXANDER
CHIEF ADMINISTRATIVE OFFICER, SENIOR VICE PRESIDENT MARKETING & BUSINESS DEVELOPMENT
Mary has over 20 years of executive management experience in the areas of public procurement, construction contract administration, and regulatory compliance. She has direct experience overseeing the day-to-day operations of various functional departments within both public and private organizations and played key roles in implementing numerous large-scale, multi-million dollar affordable housing development initiatives for public agency and non-profit developers. Since joining Perez in 2010, Mary has provided executive leadership over the day-to-day operations of the firm and management oversight of multiple federal IDIQ contracts, assisting in the negotiation of task orders and ensuring contract compliance for assignments in Afghanistan, Asia, Africa, El Salvador, Haiti, Kosovo, Lebanon, and Haiti. For the past 30 years, she has been actively engaged in the New Orleans community, serving on volunteer boards and lending her expertise to non-profits and community-based organizations to assist in improving the quality of life for residents in New Orleans.
BRANDON ADAMS, PLA
SENIOR LANDSCAPE ARCHITECT
In a career spanning over 40 years, in cities around the country, including San Francisco and New York, Brandon joined the Perez team in New Orleans as Senior Landscape Architect in 2004. Since his graduation from Louisiana State University with a Bachelor’s degree in Landscape Architecture, Brandon has contributed his expertise to a wide range of project types, from urban parks, streetscapes, large-scale housing developments, and recreational sports facilities to memorials, commemorative sites, and other landscape architectural projects. He is a licensed landscape architect in several states and is certified by the Council of Landscape Architecture Registration Boards (CLARB).
MARIA ISABEL O’BYRNE STEPHENSON, ESQ.
SECRETARY/TREASURER, MEMBER OF PEREZ BOARD OF DIRECTORS, CORPORATE ATTORNEY FOR PEREZ
Practicing as an attorney in New Orleans for over 45 years, Maria has been a partner in a general practice, located at the World Trade Center Building in New Orleans for over 30 years, and now at 400 Poydras St. She and her partners have represented clients from many countries, in a variety of cases, including construction and design. She works with a wide network of attorneys in other countries. She was the Honorary Consul of Peru from 1999 to 2009 and has been consulting attorney for many Latin American Consulates. Recipient of several awards, she has the privilege of serving as the Secretary-Treasurer and a member of the Board of Directors of Perez, APC since 2000, advising on a variety of corporate legal matters.
marc anthony robert, AIA, LEED AP BD+C
DIRECTOR OF Design & OPERATIONS
Marc joined the Perez team in 2023, and he has overseen the design and construction of a myriad of project types across the US, from multi-family housing to hurricane repairs of public sector buildings, including new construction and renovations. Marc is a graduate of the University of Louisiana at Lafayette School of Architecture, Bachelor and Master of Architecture. He is also a licensed General Contractor, with a deep understanding of the construction trades, coming from a long line of family history in the traditional historic building arts of New Orleans.