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Theresa del Ninno, AIA, LEED BD+C, President

Theresa del Ninno attended the University of Notre Dame, where she received a Bachelor of Architecture Degree in 1981. She has substantial international experience. As an undergraduate, she studied for a year in Rome and later managed her own consulting practice in Guinea, West Africa, and Dhaka, Bangladesh

She acquired significant experience as both a designer and project manager through work experience on a wide range of project types, including commercial office buildings, office interiors, custom residences, educational facilities, and medical facilities with design firms in Minneapolis, Minnesota and Alexandria, Virginia.

In 2006 she became a principal of the firm, and has designed and managed educational, commercial and residential projects that have received design awards. She maintains membership in the American Institute of Architects and is active in the Architects in Education program that places architect volunteers in public school classrooms. In 2009, she spoke at the national School Building Expo in Philadelphia. She is a registered architect in the state of Minnesota and Virginia, and is LEED certified.


H. (Skip) Maginniss, AIA, LEED BD+C, Vice President

Mr. Maginniss received a Bachelor of Arts Degree from the University of Notre Dame in 1967 and a Masters of Architecture with the AIA school medal from Washington University in 1970. After graduation Mr. Maginniss worked in Vienna, Austria for Ottokar Uhl. He traveled extensively, studied European architecture and wrote for professional publications. In 1972 he was a member of the design team that won a major housing competition in Austria. He obtained other significant experience during employment with Vincent G. Kling and The Ballinger Company, where he was responsible for a variety of government, corporate and institutional projects. In 1976 he co-founded Bairley & Maginniss, AIA (now Maginniss + Del Ninno, Architects).

Mr. Maginniss is a member of the AIA, and the NCARB. He has taught at local colleges, and served on community committees. In 1981, he received the President’s medal from Mt. St. Mary’s College, Emmitsburg, Maryland; in 1989, he received the Architect of the Year award from the D.C. CEAS. He is registered in Washington, D.C., Virginia, Maryland, North Carolina, West Virginia, Florida, and Ohio. He is an ICC certified plan reviewer, holds an NCARB certificate and is LEED certified.


Mary B. Maginniss, MBA, CFP, Treasurer/CFO

Mary Maginniss received her Bachelor of Arts degree from St. Mary’s College, South Bend, Indiana, with a major in Humanistic Studies and minors in mathematics and chemistry. She received an MBA, with a concentration in finance and managerial economics, from George Mason University. In 1999, she graduated from the College of Financial Planning in Denver, CO, and was subsequently awarded a designation as Certified Financial Planner.

Mary’s professional career has focused on providing objective financial analyses to individuals and organizations. Prior to joining Maginniss+Del Ninno as Chief Financial Officer, Mary was a Director at Harris SBSB, where she was responsible for developing, delivering and implementing comprehensive financial plans and investment strategies for high net worth individuals.

With a focus on public policy rather than individuals, Mary worked over 20 years as a principal analyst at the Congressional Budget Office. In 1988, CBO recognized her with the Director’s Award for Outstanding Service.

Mary is a member of and served as Treasurer of Women in Housing and Finance, and belongs to the Financial Planning Association. Committed to philanthropy and the role it plays in the community, she was a founding member of the Philanthropy Forum at Wolf Trap, and currently serves on the Professional Advisory Board of the Alexandria Community Trust. Mary has provided financial literacy workshops to low-income women in an effort to help them, as consumers, make smart financial decisions. She served as member of the volunteer committee to provide financial planning, on a pro bono basis, to families of victims of the September 11, 2001 and Virginia Tech tragedies.

Kim Jesada, Assoc. AIA, LEED AP BD+C, Architectural Designer

Kimberly Jesada earned a Bachelor of Science in Architecture and a Master of Architecture degree from the University of Maryland. While attending the University, she worked as a graduate/teaching assistant in the Discovering Architecture Young Scholars Program, as well as other introductory courses and studios in the Architecture program. In addition, she served as the Project Manager for the University of Maryland’s award-winning LEAFHouse, the University’s 2007 U.S. Department of Energy Solar Decathlon entry. She also earned the AIA Henry Adams Medal, awarded to the top-ranking graduating student in each accredited architecture program.

Kim has worked as an intern for architecture firms in the Maryland and Washington, D.C. area and her experience features a broad participation in all phases of professional service on residential and commercial project types, with a focus on sustainable design and LEED certified projects. She is an active associate in the American Institute of Architects and is currently pursuing her architectural registration.

Zaira Suarez, AIA, LEED Green Associate, Senior Associate

Zaira Suarez earned a Bachelor of Architecture along with a Minor in Art from the University of Miami in Florida. Following her degree she practiced architecture in Miami, gaining experience in a diverse range of projects from cruise terminals to commercial and residential design. In 2012, Zaira earned a Master of Urban Design from the University of Colorado at Denver.

Marilisa del Ninno, Assoc. AIA, Associate

Marilisa del Ninno is a recent graduate of the Illinois Institute of Technology where she earned a five-year Professional Bachelors degree in Architecture. During her time at IIT she gained experience working with clients on projects located in major U.S. cities including Chicago and New York where she designed a modern “pod” hotel and a high school. Marilisa spent a semester studying abroad in Venice, Italy where she collaborated with Italian architects on the preservation and restoration of the old city of L’Aquila after the natural disaster and the city of Aquilea which included an outdoor museum with bike paths to allow visitors to tour the ancient ruins.

Marilisa is an active associate in the local chapter of the AIA and the Women in Architecture group and is currently pursuing her architectural registration.

Bumki Cho, Assoc. AIA, LEED AP BD+C, Associate

Mr. Cho earned a Bachelor of Architecture degree from the Virginia Polytechnic Institute and State University.  He is experienced in a variety of project types including single and multi-family residential, retail, commercial development and master planning.  Mr. Cho is involved in projects from initial concept design through construction administration.

Mr. Cho has a strong foundation in design methods such as digital modeling and visualization, digital fabrication, detailing, and graphics.  He is an active associate in the American Institute of Architects pursuing licensing, and a LEED accredited professional.

Lam Hong Vuong, AIA, LEED AP, Associate

Lam Vuong began practicing architecture in the Washington DC metro area after graduating Magna Cum Laude with a Professional Bachelor of Architecture from Virginia Polytechnic Institute and State University. He is experienced in a variety of project types including K-12, Higher Ed, single and multi-family residential, and commercial/retail. Projects in which he has played a significant role include a mixed-use/residential high rise in the Pike and Rose development in Rockville, Maryland, an Art/IMM Building at the College of New Jersey, and new classroom and dormitory buildings on the campus of The Virginia School for the Deaf and Blind in Staunton, Virginia.

Since 2007, Lam has been working with the Washington Architectural Foundation as a volunteer to develop STEM enrichment programs for local DC, VA, and MD students. Notable ventures include a stage set designed for a Boys and Girls Club performance at the Kennedy Center, an annual Architecture Summer Camp at the District Architecture Center, and a collaboration with the Girl Scouts of America at the International Science and Engineering Festival. Other community outreach activities include designing/building a skateboard park for the Masonry Institute’s It Makes a Village Masonry Competition, and designing/building sculptures at CANstruction/DC, winning Best Use of Labels and Best in Show on 2 separate occasions. In 2015, he was awarded the John “Wieb” Wiebenson Award for Architecture in the Public Interest at the annual Washington Architectural Foundation’s Fall Design Fete.

In addition to architectural licensure in DC and VA, he is a LEED Accredited Professional, an active member of the American Institute of Architects, an NCARB certificate holder, and an ICC certified plan reviewer.

Neil Flanagan, Associate

Neil Flanagan graduated from Columbia University with a Bachelor of Architecture in 2008, and in 2013 he graduated from the Yale School of Architecture with a Master of Architecture. He has experience with several firms in Washington D.C., such as Capital Sustainability, Hickok Cole Architects, and Design + Construction Strategies. He has over a decade of Russian language experience and is a published author as well, focusing on architecture, sustainability and planning.

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