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AS+P Full Staff image

“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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    Professional headshot of a man wearing glasses and business casual attire against a neutral gray background.
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    Professional headshot of a man wearing glasses and business casual attire against a neutral gray background.

    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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    I don't see any architectural content in this image. This is a professional portrait photograph of a person against a blurred background. There are no buildings, interior spaces, or architectural features visible. If this is meant to be a staff photo for an architecture firm's website, I'd recommend using standard portrait alt text instead, such as: "Professional headshot of a woman with long brown hair and glasses wearing a black shirt.
    X close icon
    I don't see any architectural content in this image. This is a professional portrait photograph of a person against a blurred background. There are no buildings, interior spaces, or architectural features visible. If this is meant to be a staff photo for an architecture firm's website, I'd recommend using standard portrait alt text instead, such as: "Professional headshot of a woman with long brown hair and glasses wearing a black shirt.

    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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    I don't see any architectural content in this image. This is a professional headshot portrait of a woman against a neutral gray background. It would not require architectural alt text.
    X close icon
    I don't see any architectural content in this image. This is a professional headshot portrait of a woman against a neutral gray background. It would not require architectural alt text.

    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

  • Jeanine Snyder

    Business Manager — Partner

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    Professional headshot of a woman in business attire against a blurred gray background.
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    Professional headshot of a woman in business attire against a blurred gray background.

    Jeanine Snyder

    Business Manager — Partner

    Jeanine joined AS + P in 2022, bringing extensive experience in financial leadership, operations, and human resources. With a career spanning both the public and private sectors, she has served as a Controller/CFO and HR Director, overseeing everything from financial planning and budgeting to payroll, benefits administration, and talent acquisition. In 2025 she was promoted to Partner and continues to play a key role in strengthening the firm’s internal systems, policies, and long-term operational strategy.

    VILLANOVA UNIVERSITY | Bachelor of Science in Business Administration (International Business), Minor in Japanese

ASP Monogram blue

  • Rose Randa

    Sr. Associate

    I don't see any architectural content in this image. This appears to be a professional headshot portrait of a woman against a neutral background. If this is for an architecture firm's website, you may want to use this alt text instead: Professional headshot portrait of a woman with long reddish-brown hair wearing a dark v-neck top.

  • Dimitrios Armenakis

    AIA, NCARB – Sr. Associate

    Professional headshot of a man in a dark blue blazer and white shirt against a blurred gray background.

  • Michelle Colville

    RA, NCIDQ – Senior Project Architect

    I can see this is a professional headshot portrait of a woman against a blurred background. There is no architectural content visible in this image, so alt text for an architecture firm website would not apply here. If you need alt text for this image, a more appropriate description would be: "Professional headshot of a woman with shoulder-length brown hair, smiling at the camera, wearing a white v-neck top and tan cardigan with a pendant necklace.

  • Rebecca Fellerman

    AIA, NCARB – Associate

    Professional headshot of a woman with dark wavy hair and glasses, wearing a black cardigan and decorative beaded necklace against a blurred gray background.

  • Chris Tredway

    Project Manager

    I don't see any architectural content in this image. This appears to be a professional headshot of a man wearing a white button-up shirt against a blurred background. If you need alt text for this image, it would be: "Professional headshot of a man in a white shirt

  • Justin Nickerson

    RA, NCARB – Visualization Manager

    Professional headshot of a man in a navy button-up shirt against a blurred gray background.

  • Maria Stathoudakis

    Project Manager

    I don't see architectural content in this image. This appears to be a professional portrait photograph of a woman against a blurred neutral background. Since there are no buildings, rooms, or architectural features visible, alt text for architectural purposes isn't applicable here. If this is for a staff directory or team page on an architecture firm's website, appropriate alt text might be: "Professional headshot of a woman smiling at the camera, wearing a dark blue top with a necklace.

  • Gelsey Hess

    RA, NCARB – Staff Architect

    This is a professional headshot, not architectural content. Here's appropriate alt text: Woman with reddish-brown hair wearing a blue-gray top, smiling at camera against a blurred gray background.

  • Rachael Sammartino

    RA—Staff Architect

    This image is a professional headshot portrait, not architectural content. It shows a person against a neutral gray background and does not contain any buildings, interior spaces, or architectural elements. If this photo is being used on an architecture firm's website, appropriate alt text would be: Professional headshot of a woman with long brown hair and glasses wearing a light gray top.

  • Steven DeGroot

    RA – Staff Architect

    This is a professional headshot portrait of a person, not architectural content. Therefore, alt text describing architectural features would be inappropriate. If you need alt text for this image, it would be: "Professional headshot of a smiling person wearing glasses and a blue button-up shirt against a neutral gray background.

  • William Ferrill

    Sr. Project Coordinator

    This is a portrait photograph, not architectural content. I'd recommend using: "Headshot of man wearing gray button-up shirt against blurred background" or similar for alt text purposes.

  • Kelly Riley

    Sr. Project Coordinator

    I don't see any architectural content in this image. It's a professional headshot portrait of a woman against a blurred neutral background. This image would not require architectural alt text as it contains no buildings, interiors, or architectural features.

  • Paul Panassow

    Sr. Project Coordinator

    This is a professional headshot portrait, not architectural content. Here's appropriate alt text: Professional headshot of a man with reddish-blonde hair wearing glasses and a navy button-down shirt against a blurred gray background.

  • Ann O’Neill

    Sr. Project Coordinator

    This image is a professional portrait headshot and does not contain architectural content. It shows a person wearing glasses and a gray turtleneck against a neutral background.

  • Zachary Winton

    Project Coordinator

    # Professional headshot of a smiling man wearing glasses and a blue button-up shirt against a neutral gray background.

  • Placeholder 3

    White brick facade with open aluminum awnings and clerestory windows providing ventilation and light control.

  • Michael Donahue

    Project Coordinator

    This is a professional headshot portrait of a man wearing a dark blue button-up shirt against a neutral gray background. This image does not contain architectural content.

  • Placeholder 2

    Modern residential exterior featuring horizontal wood siding, white pergola structures, and large multi-paned windows.

  • Kristin Gaenssle

    Office Manager

    Professional headshot of a woman smiling at the camera, wearing a white blazer and hoop earrings against a neutral gray background.

  • Placeholder 1

    White pergola and gate entrance with shingle siding facade and brick foundation details.