Meet Our Team


The value of an architectural firm is in the talents of the people who work there. At O’Sullivan Architects, our team of specialized associates offers the foremost expertise in design and technical competency, built on practical experience, and reinforced by a history that instills confidence.

Each of our project managers has over 20 years of experience, and is well versed in all aspects of the architectural design and planning process. Whether it is addressing the unique demands of sites located near water, the particular interests of a municipal board or agency, or the options for homeowners dealing with neighborhood design aesthetics, O’Sullivan is the firm with the skill to originate and the commitment to follow through.

Click on any team member below to learn more.

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David O’Sullivan, AIA

President

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Joseph Walsh, AIA,
LEED AP BD&C

Senior Project Manager

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Mark M. Sereda, AIA

Senior Project Manager

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Stefanie Good,
LEED Green Associate

Job Captain

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Meghan Bearfield

Project Manager

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Donnie Garrity,
LEED AP

Project Manager

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Jonathan Stone

Project Manager

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William McElhiney

Director of Business Development

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Kristen O’Brien

Office Manager