Market Leaders

Environmental Solutions

BS/Geology
Certified Professional Geologist: AIPG

Richard Cawley serves as Vice President of Business Development for our Environmental Solutions Group. With 21 years of experience with a wide variety of environmental engineering projects, Mr. Cawley has acquired a significant base of knowledge in the areas of geologic and hydrogeologic research and investigation, site assessments, remediation of industrial facilities, hazardous waste sites, underground storage tank programs, industrial facility decommissioning and demolition. Mr. Cawley’s high level of skill in his areas of expetise is demonstrated by his status as a Certified Professional Geologist, Professional Geologist, and New Jersey Subsurface Evaluator. Working across all industry sectors as a business development leader, Mr. Cawley delivers innovative and cost-effective environmental solutions to his clients. 

Total Water Solutions (Industrial/Manufacturing)

Mr. Greene, a Vice President with O'Brien & Gere, is an experienced manager, motivator, and leader. He has more than 23 years of experience and a proven track record of growing businesses. He is a strong leader and had provided team-building direction within large, complex organizations; while meeting or exceeding sales budgets. Mr. Greene has a strong knowledge of the water and wastewater treatment industry, excellent technical skills, and is a seasoned business development professional.

 Environmental Solutions

Matthew Traister, PE – Midwest and West 
Managing Engineer – Air Quality Solutions
Phone: (513) 792-2734

BS/Chemical Engineering - Clarkson University

Mr. Traister has more than 19 years of environmental consulting experience and has spearheaded many of the Firm’s most challenging air quality and environmental compliance projects. A recognized expert in the fields of air permitting, emission inventory development, and air and odor pollution control design, Mr. Traister is the author of more than 20 technical papers and publications. He routinely provides project management functions for complex regulatory programs involving New Source Review, Title V, RACT/BACT/MACT studies, permitting, and regulatory consent orders.

In his role as the Firm’s Midwest Air Quality Practice Leader, Mr. Traister is responsible for business development and strategic planning efforts associated with the expansion of our Air Quality Solutions practice throughout the Midwest. He maintains administrative responsibilities for all air quality staff within the region and often provides technical review/direction during the preparation of work products, designs and compliance strategies.

 Environmental Solutions

Mark Distler
Vice President
Phone: (315) 956-6536

BS/Chemical Engineering - University of Rochester

Mark has over 27 years of environmental engineering experience with an emphasis in air quality regulations, environmental assessments, air quality measurements, and acoustical engineering. He assists clients in the industrial, manufacturing and energy sectors to comply with federal and state regulations, and Title V and facility permits. He has developed three specialized source testing methods (patented) for clients with unique process emissions and unusual permit conditions. As manager of the Air Quality Division, Mark leads the firm's significant investment and growth of resources in all of our regions. Mark also leads O'Brien & Gere's acoustical engineering services ranging from industrial process noise control to modeling and mitigation design of large re-powering projects.