About Clarke Caton Hintz

Clarke Caton Hintz: A planning and design collaborative

We believe that architecture, planning and landscape architecture are fundamentally interdependent — that each discipline is enhanced by our expertise in the other. Through our multi-faceted approach, we collaborate with our clients and partners to produce enduring architecture, livable places and sustainable environments.

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Professional diversity enriches our ability to respond to the needs of our clients and partners with meaningful planning and design solutions.

Within our studio, mutual appreciation for each member’s unique abilities fosters a culture of collaboration that is reflected in our collective success and accomplishments.  Professional development of our team is supported through mentoring, continuing education, participation in professional organizations and community involvement.

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Sustainability is a fundamental underpinning of our practice.

Our commitment to sustainable planning and design is apparent throughout our disciplines.  Our efforts are most obvious in our approach to architectural design, building materials, energy systems, “green” infrastructure, resiliency, redevelopment planning and preservation. Incorporating sustainability as an underpinning for our work leads to the creation of healthy, durable, and livable places.

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Key People of Clarke Caton Hintz

Mary Beth Lonergan

pp, aicp


  • Notable Projects
  • Cranbury Housing Element and Fair Share Plan
  • Delanco Housing Element and Fair Share Plan
  • Ho-Ho-Kus Housing Element and Fair Share Plan
  • Ocean Township Housing Element and Fair Share Plan
  • Pennsville Housing Element and Fair Share Plan
  • Court Master for Bordentown Township
  • Court Master for Washington Township-Bergen County
  • Court Master for Rochelle Park
  • Court Master for Westampton
  • Court Master for Emerson

Ms. Lonergan is a professional planner with over 25 years experience in land use planning in both the public and private sectors. Ms. Lonergan has an expertise in affordable housing planning having been named Special Court Master in Mt. Laurel litigation before the New Jersey Superior Court and having prepared and implemented affordable housing plans for over 20 municipal clients. Prior to joining the firm, Ms. Lonergan worked for the NJ Council on Affordable Housing (COAH) for eight years as Chief of Housing Services. Ms. Lonergan regularly attends planning and zoning board public meetings as a municipal planning consultant. Ms. Lonergan's private sector experience includes expert planning testimony and development feasibility analyses and fiscal impact statements.

As an award winning architect and designer, Stephen brings over twenty years of experience in a wide variety of architecture, planning and landscape architecture projects. His experience includes all phases of project development: from schematic design to construction administration. He has had designs published in American School and University Magazine, Architect Magazine, Texas Architect Magazine, and the book Encyclopedia of Vernacular Architecture. His design work on the new Roebling School in Trenton and at the Rutgers University Tillett Hall renovation received design awards by the New Jersey Chapter of the American Institute of Architects. In 2011, Stephen was presented with the AIA-NJ Young Architect of the Year Award.

Michael brings to the firm a far reaching and broad appreciation for design and the built environment. He has led teams on complex and enduring projects. Among them, the adaptive reuse of the historic Roebling complex in Trenton, New Jersey, the renovation and addition to the Robert J. Collins Arena at Brookdale Community College, multiple large scale renovations to critical buildings at the heart of Montclair State University, and the nearly $300 million dollar, multi-structure parks and recreation development supporting Yankee Stadium in New York.

Geoffrey Vaughn has played an integral design and project management roles in a wide variety of planning, urban redevelopment and landscape architectural projects. His extensive experience includes projects in the commercial and public sectors as well as downtown and regional studies in New Jersey. Along with his landscape architectural experience he has been involved in GIS mapping of land use, zoning, environmental, park, recreation and open space plans for several townships throughout New Jersey. Mr. Vaughn's project management experience can be seen in the preparation of construction documentation for several of the firms recent Landscape Architectural projects including the Glassbororo Town Square, Mercer County September 11 Memorial, Village Square Park, Locust Grove Boulevard, and The Hudson River Waterfront Walkway.

Matthew Mulkeen



  • Notable Projects
  • Mercy College: Victory Hall Sports Center
  • Rutgers University: John Cotton Dana Library
  • William Paterson University - Speert Dining Hall
  • Girard Ave Development
  • Cape May County Government Services District
  • Rutgers Scott Hall and River Dorms Renovations
  • NJCU Squier Hall
  • Department of Military and Veteran Affairs – Militia Museum
  • William Paterson University – Child Development and Continuing Education
  • Milton Hershey School New Safety/Security Facility

Matthew has extensive experience bringing projects from concept design through construction in a diverse array of project typologies. He has worked on projects internationally and both coasts with experience anchored in educational facilities from child development through higher educational learning facilities and also extending into dormitories, multi-family housing, commercial and government offices, medical and scientific project types. With over 12 years of experience, Matthew continues to help provide clarity and form to a client’s vision, while managing large teams of consultants and engineers. His ability to refine conceptual ideas throughout a project’s design, detailing and construction, helps ensure its overall success by achieving goals, while maintaining constructability and project schedules.

James Giresi



As a member of the Clarke Caton Hintz team, James has 8 years of professional experience and a Master of Infrastructure Planning and Bachelor of Architecture from NJIT. His experience began with a curiosity about the built environment and the process of design and construction. James strives to create projects that exceed the owner’s expectations and overcome complex problems that require elegant and unique solutions. James' ability to rapidly adapt to various project topologies and scales is evident in his work from small scale building repairs to complex historic restorations, and large scale urban planning projects. He brings a technical rigor, passion for efficiency, and expertise in BIM to the Clarke Caton Hintz team.

Jorge L. Septien

Assoc. AIA, CSI


Mr. Septién has been with Clarke Caton Hintz since 2007 and has been responsible for the multitude of Information Technology aspects of the firm, including serving as its CAD and BIM Manager. He has focused the past 26 years of his professional life to streamlining production by facilitating the use of the computer and network infrastructure of several architectural firms in New York and New Jersey. Jorge is an active member of AUGI (Autodesk® User Group International) and was involved in the early development of the United States National CAD Standard (NCS) Layer guidelines. He is also a member of Autodesk's Expert Elite program, which recognizes Autodesk customers around the world that contribute to the Autodesk Community by sharing their product knowledge, best practices and expertise. Jorge worked with other key people in and out of the firm on incorporating BIM (Building Information Modeling) into the current workflow of CCH with minimal interruption and a proper training approach.