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“Surround yourself with smart people who interact in a collaborative way. That’s when the work gets even better.”

– Mark Asher, Principal
  • Mark Asher

    AIA, NCARB – Principal

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    Mark Asher headshot
    Mark Asher headshot

    Mark Asher

    AIA, NCARB – Principal

    Mark founded AS + P as Asher Associates Architects in 1993, pursuing his passion for bringing the character and beauty of historic coastal architecture to new custom residential homes. Along with a talented team, Mark has grown the Asher portfolio to include hundreds of homes gracing exclusive New Jersey coastal towns, the Philadelphia suburbs and beyond. As a Board member of the AIA’s Custom Residential Architects Network, Mark facilitates the exchange of knowledge and expertise to promote the professional development of residential architects across the country.

    VIRGINIA TECH | 1983
    Bachelor of Architecture

  • Deborah Slaunwhite

    AIA, NCARB, ICAA – Partner

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    Deborah Slaunwhite headshot

    Deborah Slaunwhite

    AIA, NCARB, ICAA – Partner

    Deborah joined AS + P in 2008 after working in residential design and historic preservation throughout eastern United States. Though classically trained, she enjoys working in a variety of styles and her design aesthetic helped broaden the firm’s vocabulary to include more contemporary elements. In 2018 she was promoted to Partner and has since deftly balanced a demanding project workload with staff and studio management duties. In addition to her role within the firm, Deborah contributes to the local design community as the Vice President of the Philadelphia Chapter of ICAA.

    UNIVERSITY OF NOTRE DAME | 1997
    Bachelor of Architecture

  • Laura Glantz

    AIA, NCARB – Partner

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    Laura Glantz headshot

    Laura Glantz

    AIA, NCARB – Partner

    Laura joined AS + P in late 2010 after years of experience in both urban and suburban residential projects. Laura’s design talent and passion are evident in everything she does. She focuses her keen eye for detail not only producing stunning projects for delighted clients but also on constant improvements in the studio’s design and production standards. She joined Deborah and Mark as Partner in 2022, taking on the role of creative director and design mentor, while continuing to manage projects and taking a leadership role in the firm’s marketing efforts.   

    DREXEL UNIVERSITY | 2007
    Bachelor of Architecture


  • Rose Randa

    Sr. Associate

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  • Dominic Schuster

    Sr. Associate

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  • Dimitrios Armenakis

    AIA, NCARB – Sr. Associate

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  • Rebecca Fellerman

    AIA, NCARB – Associate

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  • Jeanine Snyder

    Business Manager

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  • Michelle Colville

    RA, NCIDQ – Project Architect

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  • Chris Tredway

    Project Manager

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  • Gelsey Hess

    RA, NCARB – Staff Architect

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  • William Ferrill

    Sr. Project Coordinator

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  • Kaitlin McDonald

    Sr. Project Coordinator

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  • Rachael Sammartino

    Sr. Project Coordinator

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  • Maria Stathoudakis

    Sr. Project Coordinator

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  • Steven DeGroot

    Sr. Project Coordinator

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  • Justin Nickerson

    RA, NCARB – Sr. Visualization Coordinator

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  • Joseph Cirigliano

    Project Coordinator

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  • Paul Panassow

    Project Coordinator

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  • Kelly Riley

    Project Coordinator

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