Partner Welcomes Environmental Solutions Expert Mark Casey, PE, as Senior Project Manager

Massachusetts LSP brings 38 years of New England experience TORRANCE, Calif., Sept. 8, 2026 /PRNewswire/ -- Partner Engineering and Science, Inc. announces the addition of Mark Casey, PE, to its Environmental Solutions practice. Mr. Casey will serve as Senior Project Manager in Partner's Boston office, bringing 38 years of environmental consulting experience and deep knowledge of the New England market to the firm's growing team. Throughout his career, Mr. Casey has supported clients across New England with environmental assessment, investigation, remediation, and regulatory compliance needs. His extensive regional experience has provided him with an in-depth understanding of local environmental regulations, regulatory agencies, key market participants, and the unique soil and groundwater conditions that influence environmental projects throughout the region. "Mark's 38 years of experience in New England represent an incredible asset for Partner and, most importantly, for our clients," said Tiffany-Linn Stephens, Regional Director of Partner's Environmental Solutions in the Northeast. "His deep familiarity with the region's regulatory landscape, environmental conditions, and the practical challenges associated with managing complex environmental projects will allow him to provide thoughtful, efficient solutions. Having someone with this level of local knowledge and technical experience strengthens our ability to help clients successfully navigate their environmental risks and opportunities." As a Massachusetts Professional Engineer and Massachusetts Licensed Site Professional, Mr. Casey brings a strong combination of technical expertise and regulatory insight into Partner's Environmental Solutions practice. His experience in the New England environmental market will complement Partner's broader network of multidisciplinary experts and enhance the firm's ability to deliver integrated solutions for clients throughout the property life cycle. "I saw Partner as a strong fit because of the alignment between my experience and credentials and the work the firm is doing," said Mr. Casey. "I'm excited to be joining a team with such a deep bench of technical expertise, and I'm particularly looking forward to collaborating with the talented group of professionals in the Framingham office." Mr. Casey earned his degree from the University of Massachusetts Lowell and holds Massachusetts Professional Engineer and Massachusetts Licensed Site Professional credentials. For interviews, quotes, or more information, please contact Meg Faulkner, Senior Manager for Partner, at 714-702-4910 or mfaulkner@partneresi.com. To learn more about Partner, visit www.partneresi.com. About Partner Engineering and Science, Inc. Partner Engineering and Science Inc. (Partner) is the leading provider of engineering, environmental, energy, and construction consulting for the commercial real estate (CRE) industry. Touching 1 in 5 CRE transactions in the U.S., Partner is widely recognized as the largest and premier provider of 3rd party physical due diligence reports including Phase I Environmental Site Assessments, Property Condition Assessments, Seismic Risk Assessments, Zoning Reports, ALTA Land Title Surveys, and Construction Risk Management. Partner's connectedness to the CRE market gives it an unparalleled view into CRE trends and risk management insights. Partner also provides a full suite of consulting services to support the entire real estate lifecycle, including: Geotechnical Consulting; Building Systems Consulting; Capital Management and Project Implementation Support; Environmental Health & Safety Consulting; Energy, Sustainability & Resilience Consulting; and Site Civil Engineering. With a responsive approach scaled for speed and agility, Partner helps clients manage risk, make smart investments, optimize asset performance, and win at their real estate investment strategies. Based in Torrance, Calif., Partner has over 1,400 employees in 40 offices around the globe. View original content to download multimedia:https://www.prnewswire.com/news-releases/partner-welcomes-environmental-solutions-expert-mark-casey-pe-as-senior-project-manager-302872568.html SOURCE Partner Engineering and Science, Inc.