EES Team

Our team of professional engineers, expert scientists, and sustainability consultants can handle the spectrum of environmental, health and safety problems and help you exceed compliance.


Tom N. Petersen, P.E. – Tom has over 36 years of environmental engineering and health and safety experience in project management, process safety management, air quality compliance, strategic planning, and environmental control systems design. His services have included work in 22 states for the chemical, … Continue reading

Andrew Rohrman – As a Project Scientist with EES, Andrew is responsible for executing our environmental projects in a diverse range of fields. His thorough knowledge in regulatory compliance, environmental permitting, and industrial hygiene will ensure your issues are resolved professionally and completely. He attended Rutgers University, where he earned a B.A. in Mathematics and minored in Environmental Sciences … Continue reading

Daniel Fried-Petersen, ISSP-SA – As a Sustainability Consultant with EES, Daniel is a first contact for your organization’s unique journey beyond compliance. With his understanding of standard practice and cutting-edge new techniques in the triple bottom line, he can help your organization succeed in this multidisciplinary field and connect you with seasoned EES professionals to make it all happen. Daniel has a B.S. in Psychology and Music from the University of Pittsburgh and is an ISSP-Sustainability Associate (International Society of Sustainability Professionals) … Continue Reading

EES Associates – For over 20 years, EES clients have benefitted from our team of EES Associates on projects that require unique expertise.  These EES team members include Certified Industrial Hygienists, Certified Hydrogeologists, wastewater engineers, and dispersion modelers.  For our Sustainability Consulting practice, we have EES Associates in the following disciplines: 

  • Business strategy
  • Sustainability reporting standards (CDP, GRI, ISO and others)
  • Employee engagement
  • Supply chain improvements
  • Energy and water-saving techniques
  • Labor practices
  • Society and human rights issues