SERVICES

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

INSIGHTS

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

Alexander JohnsenCIH

Senior Industrial Hygienist, I.H.B.S.

Alexander Johnsen has over nine years of experience working on various construction and environmental remediation projects at residential, commercial, municipal, and government sites. With a broad clientele base ranging from individual homeowners to private contractors and government agencies, Mr. Johnsen has worked extensively with a wide variety of environmental contaminants and cleanup procedures.

Education & Certification

B.S. Biology, University of Colorado

Expert Witness Services

Environmental, Air Quality

Environmental, Demolition & Abatement

Environmental, Environmental Compliance/Disclosure

Environmental, Environmental Safety

Environmental, Hazardous Waste

Forensics Technical, Safety