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MGA Partners is a design-oriented firm with experienced and mature leadership. The firm is comprised of three partners and twenty professionals, including registered architects, a graphic designer, and staff.

Doug Schaller

Development Director

Doug leads MGA’s business pursuits, strategic forecasting, and ongoing artistic initiatives for the studio. Our firm’s esteemed teaming, drawn from decades of partnerships, are supported by his efforts. Trained in art history and previously specializing in contemporary art as a gallerist, Doug has worked closely with museums and university galleries for exhibitions and acquisitions over several decades. He has written for history, preservation and design journals, artist monographs, and presented at the Society of Architectural Historians and Docomomo US. At MGA, Doug produced a site specific installation for DesignPhiladelphia and directed the first performance piece at Carpenter’s Hall. His professional associations cross a broad range, engaging with the Library Company, Friends of the Wissahickon, the Athenaeum, and St Mark’s Church. Doug is a native of Delaware.

In action photos of Doug Schaller
Portrait Photograph of Doug Schaller

Margo Angelopoulos, AIA

Associate

Margo’s decade with MGA Partners has been marked by the breadth of its project complexity from specialized Federal workplace studies to multi-phased construction for core university assets and the adaptive reuse and preservation of landmark buildings. Margo’s design contributions have been distinctively honed through additional projects involving cultural venues and Federal courthouses. She oversees internal upgrades for project documentation while overall advancing the staff’s digital acumen with new technology. A proponent for the sport of rowing, Margo has led planning for the Head of the Schuylkill Regatta. Margo is a graduate of Yale University and the University of Pennsylvania, and is a native of Connecticut.

In action photos of Margo Angelopoulos
Portrait Photograph of Margo Angelopoulos

Aisha Branham, NOMA

Associate

Aisha focuses on the design, craft and management of complex projects primarily in the institutional and federal sectors. She brings a discerning attention to design through a passion for detail and materials, and through her client-focused practice to achieve strategic goals. Aisha has led Design Excellence projects for multiple federal agencies and is an expert on advanced workplace environments. Aisha is a Buchholz Fellow and a NeoCon Conference lecturer. She has taught architectural studios at Temple University, served as a teaching assistant at the University of Pennsylvania, and juries for the architecture department at Drexel University. Aisha is a graduate of Carnegie Mellon University, a member of the National Organization of Minority Architects, and she is a native of Pennsylvania.

In action photos of Aisha Branham
Portrait Photograph of Aisha Branham

Christopher Raia, SEGD

Senior Associate

Chris directs the design of experiential and identity elements for our academic, cultural, and federal projects, and guides the creative approach to our studies and masterplans. As Director of Graphics, he leads the studio’s representation of its designs, resulting in well-illustrated publications that gain project advocacy and support fundraising  campaigns. With a background in industrial design, he contributes to the craft of details and assemblies in our architectural spaces. Before joining the studio, Chris worked as a creative director in Boston, and taught design studios at Wentworth Institute of Technology and the University of Delaware for 14 years. He is a graduate of the Rhode Island School of Design and a native of Delaware, where he serves on the Board of the Newark Symphony Orchestra and chairs his township’s Public Works Department.

In action photos of Christopher Raia
Portrait Photograph of Christopher Raia

Sara Pettit, AIA

Senior Associate

Sara focuses on the planning, design, and management of significant university projects, which have included several R1 research institutions and one of the most advanced collaborative libraries in the US. Her sensitive leadership and advocacy, along with a deep knowledge of building design and construction, has guided several large-scale building conversions for academic clients to successful completion. Additionally, Sara has led large-scale planning studies for federal campuses. She is a founding director of the University of Pittsburgh summer design program for high school students, teaches a Design Studio in the university’s architecture program, and served for 10 years as a team leader for the ACE Mentor Program. She is a graduate of The Pennsylvania State University and is a native of Pittsburgh.

In action photos of Sara Pettit
Portrait Photograph of Sara Pettit

Dan Kelley, FAIA

Partner

Dan leads the overall approach to architecture, planning, and craft—sustaining for over thirty years the direction of the firm’s commissions as well as the continuity of the firm’s portfolio of design. His focus is on making thoughtful and artistically considered architecture that is resonant with its place. His academic affiliations have been with Drexel University where he taught design studios for over twenty years, and with the University of Pennsylvania where he taught a popular undergraduate course on public space and urbanism. He writes and presents subjects of design and the built environment nationally and internationally. He is a graduate of Georgia Tech and the Harvard Graduate School of Design, and is a member of the Carpenter’s Company of Philadelphia. Dan is a native of Akron, Ohio.

In action photos of Dan Kelley
Portrait Photograph of Dan Kelley

Catherine Broh, AIA

Partner

Katie directs the firm’s work for academic, cultural, and arts organizations. Her expertise in advancing modern pedagogy for learning, performance, and maker spaces has led to innovative designs that imprint a collaborative and experiential spirit on campuses. Katie has long maintained an immersive leadership role in Philadelphia’s cultural scene through her involvement with two non-profits dedicated to arts education for school children in the city—Musicopia and Dancing Classrooms Philly. She teaches design studios at Drexel University’s Westphal College, presents regularly at SCUP, AIA and NAIS conferences, is a board member of the Pennsylvania and Philadelphia chapters of the AIA, and serves on the Facilities Committee for Germantown Friends School. Katie is a graduate of the University of Michigan and the University of Pennsylvania. She is a native of Michigan.

Staff portrait
Portrait Photograph of Catherine Broh

Amy Stein, AIA

Partner

Amy directs the firm’s work for significant institutional, academic, and federal projects, and those involving masterplans, building renewal and adaptive reuse. Her ability to establish a project vision and advance strategic goals among broad stakeholder groups has led to transformative projects that shape new gateway buildings for expanding programs and new prominence. Amy is active in Philadelphia’s preservation community through her decades-long involvement as a committee member of the Historical Commission, where she has helped guide development and uphold the design integrity of the city’s urban fabric. She has served on national design juries and has lectured at the AIA, the Society for Architectural Historians, and the Delaware Valley Smart Growth Alliance. She is a graduate of Kent State and a native of Cleveland. 

In action photos of Amy Stein
Portrait Photograph of Amy Stein

Our Studio

We are a group of talented professionals of diverse backgrounds and abilities working together in a practice that is nationally recognized. We actively seek out, mentor and promote the advancement of women and minorities.

Portrait of MGA Partners Staff

Daniel Chapotchkine

Maximilien Chong

Connor Cohen

Hayley Coolbaugh

Elsa De León, Assoc. AIA

Anastasia Fedotova

Casey Furman, AIA

Ryan Goodman

Chris Mulford

Gilbert Oh, AIA

Yash Shah

Staff

Partners

Senior Associates

Associates

Directors

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