LEADERSHIP
STEVEN J. KONIUK, PE, RA
Founder | President | Managing Partner
KONSTRUCT
Steven is a highly accomplished dual-licensed engineer and architect, an exceptional combination that sets him apart in the built environment. With a deep passion for real estate development, he founded KONSTRUCT in 2020 to seamlessly integrate architecture, engineering, and pre-development services. Steven’s broad expertise spans all phases of development, from acquisitions and financial modeling to capital syndication and navigating zoning codes and tax abatements. This unique skill set enables him to deliver comprehensive, strategic solutions that drive successful outcomes for residential and commercial projects.
As both the architect and engineer of record for multifamily developments across the NY/NJ/PA tri-state area, Steven is known for managing complex projects from inception to completion. He has single-handedly designed and engineered full scope architectural and engineering systems for a wide range of asset classes demonstrating his ability to oversee all aspects of a project and ensure its success.
Steven’s career is marked by significant contributions to both public and private sector projects. Before founding KONSTRUCT, he played a key roll in Bala Consulting Engineers’ expansions into NYC, managing high-value, multidisciplinary projects. Notable achievements include upgrading pharmaceutical distribution centers to be tornado-resistant and leading the design and engineering of large-scale, complex structures, including over 200,000 SF of curtain wall systems for high-rise buildings.
Beyond his technical expertise, Steven is a visionary leader with a strategic focus on business growth. He actively acquires businesses to broaden KONSTRUCT’s capabilities, positioning the firm for continued success. Through strategic acquisitions, partnerships, and expanding practice areas and service divisions, Steven is committed to delivering innovative, integrated solutions across diverse market sectors, cementing KONSTRUCT’s reputation as an industry leader.
STEVEN S. COHEN, AIA, PP
Practice Partner - Architecture | Principal
STEVENCOHEN | ARCHITECTURE
Mr. Cohen brings over 40 years of experience in professional planning and architecture, with a distinguished career spanning multi-unit residential housing, commercial developments, and specialized facilities for older adults. His extensive portfolio includes more than 15,000 housing units—ranging from market-rate and subsidized to high-rise and low-rise structures—as well as hotels, office buildings, recreational facilities, and nursing homes. His project responsibilities have encompassed all aspects of design and administration, from planning and schematic design to project management and coordination of architectural, engineering, and construction services.
A recognized leader in modular housing and innovative building systems, Mr. Cohen was part of a team awarded a U.S. Department of Housing and Urban Development (HUD) grant in 1969 to develop a building system that ultimately produced over 30,000 units worldwide. His expertise in modular construction includes precast concrete, light-gauge metal framing, and wood frame systems, delivered complete from factories and set in place on-site. Additionally, Mr. Cohen has designed specialized facilities for older adults, including senior centers, adult day care facilities, and housing for individuals with physical disabilities, developmental challenges, and brain injuries.
Mr. Cohen’s work extends internationally, with successful projects in the Czech Republic, Slovakia, Hungary, Germany, Austria, Mexico, Israel, and Iran. In the early 1970s and late 1980s, he led joint venture developments between U.S. and foreign companies, enhancing his global expertise. Beyond his professional practice, he has actively participated in industry organizations such as the American Institute of Architects (AIA), the American Association of Homes for the Aging, and The American Gerontological Society. He has served on the AIA Housing Committee and is the current Chairman of the Princeton Borough Zoning Board of Appeals. With extensive experience in civil and site planning for residential and commercial properties, Mr. Cohen remains committed to delivering cost-effective, high-quality design solutions worldwide.
Dave Eareckson, pe
Partner - Site Civil Engineering | Principal
KONSTRUCT
Dave Eareckson, P.E. is a highly accomplished civil engineer with over 25 years of experience leading complex land development and infrastructure projects across various states, including New Jersey. At KONSTRUCT, Dave applies deep regulatory knowledge, technical precision, and a practical, builder-informed approach to help clients navigate entitlement and engineering challenges for residential, commercial, and mixed-use developments.
Prior to joining KONSTRUCT, Dave served as President of Land Development Services at Matrix New World Engineering, a +400 person environmental consulting and engineering organization tackling national strategic environmental challenges. Dave oversaw multidisciplinary teams in civil, marine, and surveying operations. His leadership included pioneering work in post-disaster infrastructure reconstruction, and large-scale public works projects. Dave also held senior roles such as President of Land Development Services (a subsidiary of Birdsall Service Group), overseeing the Land & Marine Engineering division, and as Director of Engineering at LGA Engineering.
He has personally helped bring thousands of housing units to market—including hundreds of affordable homes—and is known for his ability to secure approvals for complex sites impacted by wetlands, tidal waters, and limited infrastructure. A proud graduate of NJIT (BSCE, magna cum laude), Dave also holds a background in carpentry and construction, which grounds his engineering solutions in real-world constructability. He currently serves on the Industrial Advisory Board at NJIT, is on the Board for the Community Association where his next house is being built, and is the reluctant chair of the Architectural Committee for the Association.
Dave lives in Brielle, NJ, with his wife Jackie, a top-tier real estate professional. He is the proud father of twin daughters working in the fields of psychology and nursing.
nicholas nassiff, pp, aicp, mpa
Partner - Planning & Pre-Development Services
KONSTRUCT
Nicholas is a seasoned real estate development and construction professional with extensive experience in planning, project management, and sustainable infrastructure. He has founded and exited multiple companies across development, construction, and planning services. His expertise spans land use, entitlements, financial modeling, syndication, and complex project structuring. Nicholas has advised local, regional and national multi-family builders and developers as well as institutional equity groups, private equity groups and community development organizations, playing key roles in high-profile projects.
As a former senior advisor to Greener by Design, he led energy, environmental, and resiliency initiatives, including developing microgrid systems, implementing sustainable infrastructure, and securing funding for urban planning projects. Prior to his advisory career, Nicholas was part of the NJDCA, overseeing the HUD CDBG-DR-funded Post-Sandy Planning Assistance Grant Program, directing federal funds for green infrastructure improvements in 50 municipalities. He has negotiated and collaborated with state agencies, municipalities, and private developers to implement sustainability solutions, ensuring projects met regulatory and financial objectives.
At KONSTRUCT, Nicholas helps clients navigate complex development challenges, collaborating with developers, municipalities, and financial stakeholders to optimize outcomes. His strategic approach integrates planning, financing, and construction expertise to drive successful projects from concept to completion. Beyond his work, he advocates for resilient, high-performance urban development.
BOB RIORDAN, PE
Partner - MEP Engineering
KONSTRUCT
Bob is a forward-thinking mechanical engineer with extensive experience in building construction operations, specializing in mechanical, electrical, and plumbing (MEP) systems. As the MEP Engineering Team Lead at KONSTRUCT and a licensed Professional Engineer, he leads complex projects from initial concept through occupancy and ongoing operations. Bob’s approach emphasizes quality control, energy efficiency, and long-term system reliability, ensuring that every project meets rigorous performance standards while exceeding client expectations. His technical expertise, combined with a strategic mindset, allows him to seamlessly integrate MEP systems into diverse building designs, optimizing both functionality and sustainability.
Throughout his career, Bob has held key leadership roles at top engineering firms, including P&A Consulting Engineers, Smith Engineering, Bala Consulting Engineers, and Loring Consulting Engineers. His portfolio features high-profile projects across residential, commercial, and institutional sectors, such as the Edge on Hudson Residential Complex, LeFrak Residential Tower, and multiple developments for the Tunnel to Towers Foundation. Known for his ability to manage multidisciplinary teams, Bob excels at coordinating all phases of design and construction, ensuring projects are delivered on time, within budget, and to the highest standards. His critical thinking skills, proactive problem-solving approach, and commitment to client satisfaction have earned him a strong reputation in the industry.
Bob holds a Bachelor of Science in Mechanical Engineering from Villanova University and is a member of ASHRAE's NY Chapter. His professional licensure and dedication to ongoing industry engagement reflect his commitment to advancing engineering best practices. With a career spanning self-employment and senior leadership positions, Bob brings a unique combination of technical aptitude, project management expertise, and collaborative leadership to every project he undertakes. His ability to balance the technical complexities of MEP systems with broader project goals makes him a trusted advisor and leader in the field of building construction engineering
josephine scarpulla
Director of Finance
KONSTRUCT
Josephine is the Director of Finance at KONSTRUCT, where she oversees all aspects of financial strategy, accounting, and operational management in the parent company as well as subsidiaries. With more than 30 years of experience in the financial sector, she plays a pivotal role in supporting KONSTRUCT’s integrated approach to architecture, engineering, planning, and real estate pre-development consulting services. Josephine’s leadership ensures that KONSTRUCT remains a highly capable organization, leveraging sound financial practices to drive growth, optimize operations, and deliver exceptional value to clients and stakeholders.
Prior to joining KONSTRUCT, Josephine was the Chief Financial Officer at Joele Frank, Wilkinson Brimmer Katcher, a leading strategic communications firm. During her tenure, she spearheaded the firm’s financial and operational expansion, implementing critical system upgrades, streamlining processes, and consistently reporting profitability growth. Her career also includes key roles as Controller at prominent law firms, where she led financial restructurings, administered partnership accounting, managed payroll and pension plans, and directed ERP system integrations. Her proven track record of enhancing business efficiency and profitability makes her a trusted leader in the financial sector.
Josephine holds a Bachelor of Science degree in Accounting from Pace University. Her proficiency extends to a wide range of financial systems and reporting applications, including Aderant CMS, Juris, Elite, NetSuite, and MS SQL Servers. Known for her analytical mindset and results-driven approach, Josephine is passionate about delivering value through strategic financial leadership and operational excellence.
our team
sean edwards
Senior Project Manager | Associate
STEVENCOHEN | ARCHITECTURE
Since joining the firm in 2001, Sean has played a critical leadership role in shaping the firm's architectural practice, serving as a senior project manager and operations lead across a wide range of project types. With over two decades of experience, he specializes in managing complex architectural projects—from multi-family residential and substantial rehabilitations to commercial, medical, and institutional developments. Sean’s involvement spans every phase of the project lifecycle, including design development, contract documentation, consultant coordination, construction administration, and post-occupancy evaluation.
Beyond his project work, Sean is instrumental in driving internal operations for the commercial architecture division. He oversees project workflows, ensures consistent quality control, and mentors junior staff, helping to maintain high standards across all deliverables. His ability to bridge technical precision with operational efficiency makes him a cornerstone of the firm’s day-to-day success. Sean also leads coordination with engineers, interior designers, and specialty consultants, ensuring that cross-disciplinary teams are aligned and projects stay on schedule. He holds a Bachelor of Architecture from the New Jersey Institute of Technology, with notable work including the Tiger Inn Renovation in Princeton, NJ, and the Pennsylvania Biotech Laboratories in Doylestown, PA.
jORGE rAMIREZ, aia, ncarb
Senior Project Manager | Architect
STEVENCOHEN | ARCHITECTURE
Jorge is a Registered Architect with over 23 years of experience in architectural design, technical detailing, and project management across residential, commercial, healthcare, and institutional sectors. As the architect spearheading operations within Konstruct Residential, he plays a central role in shaping and delivering high-quality residential design solutions that are both innovative and grounded in real-world constructability. Known for his problem-solving abilities and expertise in construction techniques, Jorge consistently delivers cost-effective designs that meet zoning requirements and building codes.
He leads multidisciplinary teams from conceptual design through construction administration, leveraging tools like Revit, AutoCAD, SketchUp, and BIM 360 to drive efficiency and collaboration. Jorge is also at the forefront of integrating AI-powered design plugins into Konstruct’s internal operations, helping streamline workflows from concept development and technical drawings to high-impact visuals. A trusted mentor and team leader, he fosters a culture of excellence across projects. Fully bilingual in English and Spanish, he brings international project experience and a refined approach to material selection, value engineering, and sustainable design practices.
Diane lebon, leed ap bd&c
Project Manager
STEVENCOHEN | ARCHITECTURE
Diane LeBon is a skilled project manager with a diverse portfolio that includes the renovation and new construction of office, retail, multi-family, residential, medical, educational and technical facilities. She has experience in every project phase, from inception to completion, and is dedicated to creating spaces that are both functional and visually appealing, satisfying the requirements of various stakeholders.
Diane pursued Graphic Arts at MCCC, obtaining an Associate Degree, and later returned to study Architecture. She achieved her Bachelor of Architecture Degree at Drexel University through their evening program, balancing full-time work and home renovation. Her passion for green building, environmental concerns, and sustainable design led her to become LEED certified.
Michael Tesema
Project Manager | Structural Engineer
KONSTRUCT | ENGINEERING
Mike is a structural engineer and project manager with over 12 years of experience delivering efficient, code-compliant solutions for both new construction and adaptive reuse projects. His portfolio includes commercial, educational, residential, and mixed-use buildings, with a focus on structural systems that balance performance, constructability, and architectural intent.
With a strong foundation in engineering design and a creative approach to problem-solving, Mike excels at transforming existing structures to meet modern demands—whether through structural upgrades, reconfigurations, or full-scale building conversions. He leads projects from concept through construction, ensuring structural clarity, coordination, and delivery at every stage.
Mike holds an M.Sc. in Structural Engineering & Project Management, an M.Sc. in Road & Transportation Engineering, and a B.Sc. in Civil Engineering.
Neil Azaren, PE
Structural Engineer
KONSTRUCT | ENGINEERING
Neil is a Structural Engineer with over 8 years of experience in structural engineering. His expertise spans a wide range of projects, from small accessory dwelling units (ADUs) to large multi-million-dollar mixed-use developments, utilizing materials such as wood, steel, concrete, and masonry. With a focus on residential and small-scale commercial projects, Neil specializes in ADUs, working with architects and designers to deliver efficient, high-quality structures. At Konstruct, Neil continues to bring his extensive experience in designing and executing structural solutions for diverse building types, ensuring projects meet both functional and aesthetic requirements.
rAMIN mAHMOUDIAN, ra
Architect | Project Manager
KONSTRUCT | RESIDENTIAL
As a licensed architect, Ramin spearheads our residential project execution. His ability to listen to client needs and effectively space plan and program spaces allows seamless collaboration with our clients.
With a unique ability to space program with the knowledge of building codes and current drafting practices, he’s an effective team leader resulting in continual project successes.
Katia ten eyck
Project Manager | Designer
STEVENCOHEN | ARCHITECTURE
Katsiaryna (Katia) is an accomplished architectural designer with bachelor's degree in Civil Engineering from the City College of New York (CCNY). Since 2010, she has been involved in various commercial and residential projects in New Jersey and New York. Proficient in architectural software, Katia combines her strong eye for design and aesthetics with technical skills to create functional and visually appealing spaces.
James Nassiff
As-Built & Business Development Coordinator
KONSTRUCT | AS-BUILTS - Connecticut
James plays a vital role at Konstruct, bridging field operations with strategic growth initiatives within Connecticut. He oversees the coordination of LiDAR scanning, site documentation, and the production of highly accurate as-built drawings, providing a reliable foundation for design and engineering teams. With a keen eye for detail and a collaborative approach, he works closely with technicians and project leads to ensure precision and efficiency across all phases of documentation. Beyond his technical contributions, James actively supports business development by assisting with client outreach, proposal development, and the firm’s expansion into new markets.
AIDAN McKENZIE
Support Staff
KONSTRUCT | INNOVATION
Aiden assists in modernizing our practice's internal operations, bringing a fresh, forward-thinking perspective to our workflows. With a strong grasp of emerging technologies, he helps streamline processes across design, documentation, and collaboration - bridging traditional architecture and engineering practices with innovative, tech-driven approaches that improve efficiency and adaptability.
meredith remz
Office Manager
STEVENCOHEN | ARCHITECTURE
Since 2011, Meredith has resided in Princeton, NJ serving the firm as Office Manager. Along with managing the day-to-day office operations, she directly supports the President and Founder of the Company, handles accounts payable & receivable, maintains the Firm’s Architecture and Engineering licensure, prepares all Owner/Architect Agreements, and prepares drawings for delivery/pickup.
In her spare time, Meredith is a painter. She is a BFA graduate of Mason Gross at Rutgers University. Her work is Home to Five Painting and Sculpture Installations within the Neo-Natal, Women’s Ambulatory, Pediatric Neuroscience Center, and the Radiology wings of St. Peter's Medical Center in New Brunswick, NJ.
Nick Pepe
Project Manager
STEVENCOHEN | ARCHITECTURE
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Twyla Frid Lotenberg
Architectural Intern
STEVENCOHEN | ARCHITECTURE
Twyla is an intern, currently contributing to architectural design and research efforts across residential and commercial projects. A recent graduate of Barnard College’s architecture program, she brings a strong foundation in spatial design, critical thinking, and urban analysis. Twyla is particularly interested in how architecture can serve as a tool for social impact, and she supports the team by producing concept diagrams, drafting plans in Revit, and assisting with field documentation.
Mitchell Gavin, PE
Structural Engineer
KONSTRUCT | RESIDENTIAL
Mitchell is a licensed Professional Engineer (Structural), specializing in residential projects, including new single-family home construction, additions, and renovations. With over 11 years of experience, he has extensive expertise in wood, concrete, steel, and masonry design. Holding a Master of Science in Structural Engineering from the University of Minnesota, Mitchell is dedicated to helping homeowners achieve efficient, cost-effective designs while ensuring a smooth construction process through clear communication. He is committed to delivering practical and streamlined cost effective solutions for residential projects.
cliff horner, ra
Code Consulting Architect
Cliff Horner is a seasoned Code Consulting Architect, with an impressive multi-decade tenure at Steven S. Cohen Architect PC. Over the years, Cliff has become an indispensable resource for the firm’s most intricate projects - constantly verifying critical code paths, ensuring compliance with evolving building codes, and refining complex structural and performance requirements. His depth of experience, especially in translating regulatory and technical constraints into efficient, buildable plans, has saved the firm both time and costly revisions during project execution.
Within Steven S. Cohen Architect PC, Cliff’s contributions extend far beyond routine code checking. He actively collaborates with design teams helping to bridge the gap between architectural vision and real-world feasibility. His proactive approach to anticipating code compliance issues and crafting optimized path solutions has enhanced project efficiency and bolstered client trust. By streamlining design iterations and minimizing rework, Cliff has not only upheld the firm’s reputation for excellence but has also played a pivotal role in its ability to consistently deliver high-quality, regulatory-compliant projects on schedule.
pETER vAN DEN KOOY, PP
Strategic Partner - Planning & Housing Administration
ACUITY CONSULTING SERVICES, LLC
Peter is a seasoned professional planner and expert in housing administration and programming. As an owner and principal at Acuity Consulting Services, he has over 20 years of experience providing planning, environmental permitting, and program administration services to public and private sector clients across New Jersey, New York, and other locations throughout the United States. Peter specializes in affordable and workforce housing planning, offering technical expertise in housing program implementation, master planning, redevelopment studies, and sustainability initiatives. His comprehensive understanding of municipal planning processes and regulatory frameworks allows him to navigate complex development challenges effectively.
As a strategic partner of KONSTRUCT, Peter and his team brings deep expertise in affordable housing administration and program management to support projects that require intricate planning and compliance solutions. He has led the administration of over 1,000 affordable housing units and has worked with more than 50 public and private sector clients to develop and implement housing programs that align with local and regional planning goals. His proficiency in preparing Housing Plan Elements, Fair Share Plans, feasibility studies, and implementing ordinances ensures that projects meet regulatory requirements while fostering sustainable community growth.
Peter is a certified Administrative Agent, having completed all Council on Affordable Housing (COAH) Certification Modules and earning an Affordable Housing Professional Certification from Rutgers University Center for Government Services. His extensive background in housing policy, program administration, and community development makes him a valuable asset in shaping equitable and resilient housing solutions.