VERTEX has Experts that Talk the Talk and Walk the Walk.

Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

VERTEX Services


Need an expert for your case?

Our forensics experts work alongside AEC specialists which enhances our skills and bolsters the credibility of our expert consultants.

Find an Expert


VERTEX delivers innovative solutions on complex projects globally.

Since 1995, VERTEX has completed over 90,000 projects.

View Portfolio


VERTEX believes in a Lifetime of Learning philosophy.

Stay current with our industry experts as they share their insights and knowledge on the built environment.

View Insights

Grow Your Career

Join Our Team

VERTEX is looking for talented individuals to join a highly technical team of forensic consultants, design engineers, construction managers, and environmental scientists.

Learn More

Contact Us

Have a question or want to speak with a technical professional?

VERTEX is a multi-discipline firm with global coverage. Our international network of resources enables us to provide multi-national clients with the most qualified local professionals who understand the culture, language, and regulatory framework.

Call Us: 888.298.5162

Call Us

Call us at 888.298.5162.

Erik D. EichenlaubCEM, LEED Green Assoc.

Senior Project Manager

Mr. Eichenlaub has over a decade of experience in due diligence practice. To date, he has been involved with over 1,400 properties totaling over 250 million square feet in over 45 US states, Puerto Rico, Mexico, China, and Canada. Currently, Mr. Eichenlaub serves as a Senior Project Manager at VERTEX.

As a Senior Project Manager at VERTEX, Mr. Eichenlaub is responsible for specific job functions related to Property Condition Assessments (PCAs), Property Condition Screens (PCSs), Energy Savings Investigations (ESIs), Environmental, Social, and Corporate Governance (ESG) Assessments, Climate Vulnerability Assessments (CVAs) Mold Investigations, Construction Monitoring, and other due diligence projects. Responsibilities include managing of VERTEX’s suite of ESG services, performing peer reviews of PCA reports, providing mentorship and training, managing client relations, planning and managing large portfolios, conducting site assessments, field investigation activities, assessments of ADA compliance, professional and technical report writing, municipality research, cost estimation, capital reserve planning, and data analysis. Mr. Eichenlaub has worked with various types of commercial asset types including residential, office, hospitality, and industrial properties.

When conducting a PCA, Mr. Eichenlaub evaluates typical building systems such as the building site, the building envelope, interior systems, roofing systems, mechanical systems, plumbing systems, electrical & lighting systems, structural systems, vertical transportation systems, life safety systems, and ADA compliance.

Prior to joining VERTEX, Mr. Eichenlaub had additionally gained experience working with AutoCAD and Autodesk Revit for a small architectural firm specializing in upscale residential design. Additional duties included preparing as-built drawings, evaluating architectural drawings, and conducting on-site inspections.

Education & Certification

B.S., Engineering, Philadelphia University
M.S., Project Management, Missouri State University

Certified Energy Manager (CEM)
WELL AP – WELL Associated Professional
LEED Green Associate
OSHA 40 Hazwoper
OSHA 10 Construction
ASTM E1527-13 Phase 1 Training

Radon Sampling – Multi-Family
Fitwell Ambassador


ASCE / American Society of Civil Engineering
AEI / Architectural Engineering Institute
AEE / Association of Energy Engineers
GPAEE / Greater Philadelphia Chapter of AEE
USGBC / U.S. Green Building Council
Green Building United
ASTM / American Society for Testing and Materials