Passion. Experience. Diligence.

Located in King of Prussia, PA, Objective Opine stands as a beacon of unwavering support and expertise for legal professionals and their clients navigating the complex terrain of civil litigation. Since our inception, we've set ourselves apart with a foundational commitment to delivering comprehensive and impartial forensic architectural and engineering services.

Our Mission

At Objective Opine, we are driven by the pursuit of justice, guided by accurate, unbiased, and authoritative technical insights. We uphold the highest standards of professionalism and integrity, ensuring that each case is supported by the pinnacle of technical proficiency and industry knowledge.

Why Choose Us?

Expertise and Excellence: Our team, with decades of experience, leads in architecture and engineering, specializing in a broad spectrum of areas including construction defects and accidents, premises liability, professional liability, and more.

  • Unbiased Advocacy: We pledge unwavering impartiality, providing thorough forensic analysis.

  • Client-Centered Solutions: Tailored forensic expert services to meet the unique needs and challenges of our clients on a case-by-case basis, while delivering timely and effective solutions with transparency and honesty.

  • Ethical Practice: We adhere to the highest ethical standards, fostering trust through integrity, transparency, and professionalism.

  • Collaboration and Communication: Effective teamwork and open communication with clients and their teams.

Meet Our Team


Tom Lee, AIA

AIA, NCARB, IIDA, NOMA

PARTNER - ARCHITECT

CV

After completing his studies at what is now known as Jefferson University in Philadelphia, Pennsylvania, in 2012, Tom began his professional journey in design, working on projects with an international scope. His career path led him to Austin, Texas, where he took leadership roles as an architect and project manager. It was also during this time that he founded Tenet Design. Under his guidance, the firm has steadily grown, managing various projects and serving a diverse clientele from its offices nationwide.

Returning to Pennsylvania, Tom utilized his varied experience to transition into the field of forensic expert witness. Here, he has applied his knowledge to a spectrum of issues, including construction and professional liability, construction defects, compliance with the Americans with Disabilities Act (ADA), and various forms of property damage and accidents, contributing to the industry with a focus on practicality and insight.


John Nawn, P.E.

P.E., PTOE, CFM, FNSPE

CONSULTING ENGINEER

CV

John is a professional engineer who provides forensic engineering analyses and expert witness services. His areas of expertise include highway design, construction, and maintenance; work zone traffic control; and the evaluation of traffic control devices such as traffic signals, signs, and markings. He also specializes in intersection design, pavement, and road surface design and maintenance, and addresses human factors related to driving. His portfolio extends to accident analysis, trucking-related matters, snow and ice control, parking lot design, layout, operation, and pedestrian accommodation. Moreover, he is proficient in aspects of pedestrian movement, sidewalks, ramps, crosswalks, ADA accessibility, and the oversight of municipal and public utilities within the public right-of-way.

Holding both Bachelor's and Master's degrees in Civil Engineering and with over 37 years of experience, he is licensed as a Professional Engineer in nine states and is a certified Professional Traffic Operations Engineer. His recognition includes being a Fellow in the National Society of Professional Engineers and serving as the Past President of the Pennsylvania Society of Professional Engineers. He has completed over 500 expert reports and has testified in over 50 depositions and trials as an expert witness, lending his expertise in local, state, and federal courts across various states and jurisdictions.



Ashley Sandler

PARTNER - PARALEGAL

After completing her degree in paralegal studies from Manor College, Ashley began her legal career at a defense firm specializing in workers’ compensation and premises liability. Soon after, Ashley spent the next decade at an expert witness firm, working in different capacities alongside civil engineers, mechanical engineers, chemists, and architects. Here, she learned the impact and importance of expert witnesses in cases. Ashley wants to continue being a resource to attorneys, claims adjusters, and experts in any way she can.