Ashley O’Neill

Ashley O’Neill brings more than two decades of multifaceted design experience to his role as Director of Design at Whitehall Interiors. Ashley’s career spans an impressive breadth of project types and scales, with a particular depth of expertise in multifamily residential interiors. He has contributed to and led design work across sports facilities, educational environments, corporate interiors, hospitality-inspired amenities, and private residences.

Before joining Whitehall, Ashley held key roles at globally recognized firms including Bjarke Ingels Group, SOM, and Fogarty Finger—where, as Design Director, he was instrumental in establishing the firm’s New York multifamily interiors practice. He holds a Bachelor of Arts from the University of Ulster in Northern Ireland and an H.N.D. in Architecture from Belfast College.

At Whitehall, Ashley oversees the creative direction of the studio, championing a design language that balances elegance, clarity, and constructability. Known for his rigorous conceptual approach and collaborative mindset, he often draws on adjacent creative disciplines to enrich the work. Guided by the belief that a strong, defining concept is the foundation of every successful project, Ashley partners closely with clients to reimagine what their spaces can achieve. A dedicated mentor, he is committed to cultivating the next generation of design talent and fostering a studio culture rooted in curiosity, craft, and thoughtful innovation.

Marina Yu

As a Senior Designer, Marina has had extensive experience working on a variety of projects types including hotels, banks, cruise ships, retail, restaurants and private residences. She has worked with highly reputable design firms such as S. Russel Groves and Jeffrey Beers, which has helped her hone her skills in design conceptualization, space planning, material selection, and project management.

Marina’s approach to each project is centered on close collaboration with the client to ensure that their brand aligns with the design vision for the space. She believes that understanding the client’s needs, preferences, and goals is crucial to creating a space that truly reflects their brand identity and resonates with their target audience.

In her current position at Whitehall, Marina continues using her design philosophy to bring multi-family residential projects to life by working closely with clients to achieve their desired outcomes. Her expertise in multiple project types enables her to adapt to a wide range of design challenges and deliver exceptional results for many clients.

Abbey Drum

Abbey Drum is a Senior Designer at Whitehall Interiors with over 10 years of experience spanning multi-family residential, workplace, healthcare, life sciences, hospitality, and cultural projects. While her project background is diverse, Abbey is especially passionate about residential design, believing that the spaces we call home play a vital role in our wellbeing and sense of identity. Prior to joining Whitehall, Abbey led commercial interiors at SGA, where she worked on two multi-family developments and played a key role in sustainability initiatives, including material vetting and certification tracking. She also served as the sole interior designer at Blair + Mui Dowd Architects, focusing on healthcare and master planning for Vanderbilt University Medical Center. Earlier in her career at GVV Architects in Vermont, Abbey collaborated closely with architects on a range of projects from private homes to cultural institutions, gaining experience from concept through construction.

Abbey is highly skilled in Revit and values its ability to streamline design, coordination, and documentation. A strong communicator and collaborator, she is deeply engaged in client relationships, consultant coordination, and project delivery. She brings a sustainability-driven mindset to all her work and even her lifestyle – she’s a composting enthusiast and plant lover with over 30 thriving green companions in her NYC apartment.

Janet Thai

Janet has over 18 years of experience spanning from high-end private and multi-family residential to workplace design and mixed use developments in New York City, which she brings to her role as Senior Project Manager at Whitehall. She has managed the completion of Skyline Tower, 101 West 14th Street, The Rockwell, 54 Crown Street, 23-15 44th Road, and more. Prior to joining Whitehall, Janet worked as an expeditor for a few years and then as an interior designer for other reputable firms, where she contributed to Pier 6 Brooklyn Bridge Park and 10 Nevins, among others. Janet holds a Bachelor of Arts in Interior Design from Fashion Institute of Technology. Outside of work, Janet travels extensively and especially loves bringing the flavors of China and Vietnam into her own home cooking.

Matthew Shoulberg

As a Senior Project Manager at Whitehall, Matthew uses his fanatical devotion to getting details right to lead production of the design development and construction documentation phases. In his more than 20 years managing in the architectural field, he has worked on countless projects, specializing in single family residential work and clubhouse design, before breaking into the multi-family market with Whitehall. He earned a Bachelor of Arts in Geology from Binghamton and a Masters of Architecture from Carnegie Mellon University. He is a Registered Architect in the State of New York and LEED AP. When not keeping Whitehall’s documentation efforts on track, he can be found on Shelter Island where his penchant for beachcombing has led him to find things as weird and wonderful as a whale skull and a sea robin.