Sam Naguib joined EDA as a senior project manager in 2026, bringing more than 30 years of experience in estimating, supervising and managing complex federal, state and city construction projects. He specializes in historic restoration, public facilities and disaster recovery initiatives.

Sarah Browning joined EDA in 2022 as a human resources assistant and has since been promoted to human resources generalist and then to human resources business partner. Prior to joining EDA, Sarah worked in human resources for a global pharmaceutical wholesaler and then military pre-deployment training. Sarah is also a USMC veteran with eight years of service, serving in both Iraq and Afghanistan.

Sarah received a master of business administration with a concentration in organizational leadership from Wilmington University.

Sarah DeMarco joined EDA as a communications associate in 2024. With a background in project management in the insurance sector, she brings a strong mix of strategic thinking, creativity, and technical expertise to her role. Sarah is excited to embrace the EDA Way and contribute to its collaborative culture.

Outside of work, she enjoys traveling to explore new places and cultures and spending time with her puggle, Mitt-Z.

With more than 10 years in both payroll and human resources, Scott Weinhardt joined EDA in 2025 as payroll accounting manager. Known for his positive, collaborative spirit and get-it-done mindset, he plays a vital role in ensuring union team members are compensated appropriately. He leads the payroll team by streamlining processes and developing strategies that align with EDA’s finance team.

Outside of work, Scott is a lifelong hockey fanatic—he has been a goalie since childhood and still finds time to hit the ice. He is equally passionate about coaching and can often be found volunteering on a baseball field or at the rink. When he is not in the office or behind the bench, Scott enjoys spending time with his wife and two boys and channeling his inner Tim “The Toolman” Taylor by fixing things up around the house.

Sean Timoney joined EDA in 2019 with over 13 years of experience in construction. He spent two years as a union concrete worker, two years as a foreman and four years as a superintendent overseeing large-scale superstructures.

Additionally, he worked as a Superintendent for general contractors overseeing high-profile projects in both Miami and New York City.

Shana Joseph is a versatile operations expert with over a decade of experience in sales and operations, complemented by an academic background in geology. Known for her self-starting mindset and dedication to excellence, she is passionate about delivering projects with a sustainable and efficient approach, making her an integral part of the team.

Sierra Lanfranco is the director of safety & operational excellence at EDA, bringing seven years of experience in the utility industry. She began her career as a distribution system operator before advancing into leadership roles across operations and engineering. Throughout her career, she has led training and safety programs and developed asset investment strategies across large service territories.

Sierra earned her degree in mechanical engineering from Boston University. She is passionate about building collaborative, growth-oriented teams and is known for bringing creativity, energy, and enthusiasm to the workplace.

Outside of work, Sierra enjoys exploring the outdoors year-round, oil painting, reading, and spending time with her cats.

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Sierra Pospiech joined EDA in 2023 as an estimating administrative assistant before being promoted to estimating coordinator in 2025. In this role, she is tasked with organizing bid documents, managing the calendars for all the estimators, and gathering accurate information regarding the bids to be submitted to clients.

Sierra graduated with a bachelor's degree in management-marketing from Holy Family University.

Outside of work, Sierra enjoys going to concerts and Philadelphia sporting events. She has a passion for photography, whether she's capturing moments with her Canon DSLR or a disposable camera. And when it comes to Taylor Swift, she is the office's biggest Swiftie.

Sofia Ruch joined EDA in 2023 as an accounting assistant. In 2025, she was promoted to accounting associate.

In her free time, Sofia enjoys working out, going for long walks, shopping, and spending time with her family & friends.

Steve Christina joined EDA in 2011 and spent 11 years working in the field before transitioning into an assistant project manager role, where he developed the skills necessary for the carpentry division. In 2022, he advanced to a field superintendent role and now oversees projects from a field installation perspective.

Steven Mick began his career in the building envelope industry as a draftsman at AC Dellovade in Canonsburg, Pennsylvania. After several years working as a towboat mechanic on the Ohio River, he returned to the industry, joining Centria as an architectural designer.

During his time at Centria, Steven advanced through multiple roles of increasing responsibility, including R&D engineering assistant and technical estimator. After earning his bachelor’s degree in mechanical engineering, he transitioned into the role of product development engineer within the R&D department, contributing to product innovation and technical development.

He later moved into a facilities engineer position at PCC Airfoils, where he focused on facilities and infrastructure initiatives. He was subsequently promoted to 6S/Continuous Improvement coordinator, a role heavily centered on facilities project management, operational efficiency and process improvement.

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