Robb Schreck
Chief Executive Officer
Robb Schreck, Chief Executive Officer of Miller Environmental Group Inc. (MEG) brings over 30 years of experience leading growth strategies and driving operational excellence at business services companies. Previously, he served as the CEO of an environmental and emergency services provider in the eastern United States, where he played a crucial role in the company’s development from 2019 through its sale in 2024.
Additionally, he held senior leadership positions at Elior North America, Ingersoll Rand, and Schindler Elevator Corporation. He leverages his diversified experience to execute growth strategies, both organic and acquisitions, coupled with an operational excellence approach to maximize business performance. Developing high-performing and engaging teams is a priority in his leadership approach.
Robb holds a BBA in Accounting from Niagara University and an MBA from the University of Chicago Booth School of Business.
Jerry Coogan
Chief Operating Officer
Jerry Coogan, Chief Operating Officer of Miller Environmental Group, Inc. (MEG) brings over 25 years of environmental services experience. Jerry has worked through the many positions within Miller Environmental, serving in field operations, managerial, and executive capacities prior to taking on the top leadership position at the company. Given his decades of experience and contributions to the company, Jerry has developed an expansive, in-depth knowledge of every aspect of the environmental products and services industry including emergency response, site assessment, decontamination, and waste characterization, transportation, & disposal, as well as the related fields of Health and Safety, Environmental Compliance, Operations Management, Emergency Management, and Incident Command Systems. Under Jerry’s leadership, Miller Environmental Group, Inc. operation’s team has expanded into a geographic footprint consisting of 30 locations in 13 states providing premier services to a client base that spans the entire continental US. Additionally, Jerry has infused the entire MEG organization with a professional tenured management team with a corporate culture that puts employee safety above all else and a reverence for exceeding client expectations with each and every job performed. Through his work with GenNx360, MEG’s parent company, Jerry and team have developed and executed plans to make strategic investments, build value, and deliver on commitments to stakeholders.
Onna O’Meara
Chief Human Resources Officer
Onna O’Meara, Chief Human Resources Officer for Miller Environmental Group, brings over 15 years of experience leading human resources strategy in high-growth, field-based service industries. She has held senior HR leadership roles across various industries such as telecommunications, construction, retail and logistics where she focused on building scalable people programs, strengthening culture, and driving performance through aligned talent strategies.
Prior to joining MEG, Onna served as Chief People Officer for Vertex Service Partners where she led initiatives across talent acquisition, HR operations, talent development, engagement, and M&A integration. She brings deep expertise in supporting multi-location businesses and implementing systems that drive employee performance, retention and operational efficiency.
Onna holds a BS in Business Administration from the University of California, Berkeley, where she was a Division I NCAA rowing champion, and an MBA from San Francisco State University. She is also SHRM-SCP certified and holds multiple leadership assessment certifications.
Matt Conway
Chief Commercial Officer
Matt Conway, Chief Commercial Officer of Miller Environmental Group Inc. (MEG) brings over 20 years of experience leading commercial strategies and growing business services companies. Previously, he served as the Chief Sales Officer of Advanced Technology Services (ATS), the leading industrial maintenance and reliability company, from 2021 to 2025 responsible for all aspects of the commercial organization, including revenue, pricing, sales operations, and sales engineering.
Prior to ATS, Matt was the Senior Vice President of Sales and Marketing for the Americas at Element Material Technologies, the Vice President of Sales for Secure Destruction at Iron Mountain and held multiple positions over 12 years with the company. Matt is a data driven go-to market strategist, who has focused on exceeding growth expectations through a multi-faceted approach to sales, pricing, marketing, and building successful teams stretching from inside sales to strategic accounts.
Matt holds a Bachelor of Arts in Economics from the College of the Holy Cross and was a four year member of the hockey team.
Our History
Miller Environmental Group (MEG) incorporated in 1971 to service the utility, transportation and petrochemical industries. Through growth and diversification MEG has remained at the forefront of the environmental industry. Our client base includes petroleum companies, insurance companies, chemical manufacturers and processors, utility companies, aviation service companies, railroads, governmental agencies, and many Fortune 500 companies.
Timeline
Our Inclusion Commitment
In principle and in practice, Miller Environmental Group values and seeks inclusion and diversity within our workplace and within our community. MEG is committed to providing a welcoming and equitable environment with opportunities for engagement regardless of an individual’s ability, age, appearance, ethnicity, gender identity, geographical location, national origin, professional level, race, religious beliefs, sexual orientation or socioeconomic status. If you share our values, you belong here.
Our Vision
At Miller Environmental Group, our vision is to enhance standards of efficiency through professionalism, and effectiveness through quality. From disaster response to spill remediation to industrial cleaning, our continued growth has been possible only through exceeding our customers’ expectations. Miller Environmental Group offers a national reach with personal service. We understand the needs of the communities we serve and have the satisfaction of developing lasting relationships. Miller Environmental Group dedicates itself to providing our customers with the resources necessary for a successful conclusion to any job.
Our Mission
To provide solutions that keep the environment safe, clean, and better prepared for tomorrow.
Our Core Values
Safety.
We operate with safety at the forefront of everything we do.
Integrity.
We have integrity in our work and our words. Doing the right thing guides our decision-making.
Problem Solvers.
We are problem solvers for our partners; whether it’s 1 am or 1 pm.
Team Development.
We provide our team with a pathway to a rewarding career at MEG, as well as tools for personal development to enhance their lives and their families.
Reputation.
We put 5 decades of experience into action each & every day.
Our History
Miller Environmental Group (MEG) incorporated in 1971 to service the utility, transportation and petrochemical industries. Through growth and diversification MEG has remained at the forefront of the environmental industry. Our client base includes petroleum companies, insurance companies, chemical manufacturers & processors, utility companies, aviation service companies, railroads, governmental agencies, and many Fortune 500 companies.

Our Vision
At Miller Environmental Group, our vision is to enhance standards of efficiency through professionalism, and effectiveness through quality. From disaster response to spill remediation to industrial cleaning, our continued growth has been possible only through exceeding our customers’ expectations. Miller Environmental Group offers a national reach with personal service. We understand the needs of the communities we serve and have the satisfaction of developing lasting relationships. Miller Environmental Group dedicates itself to providing our customers with the resources necessary for a successful conclusion to any job.

Our Mission
At Miller Environmental Group, our mission is to provide our clients with exceptional customer service while partnering to exceed expectations and get the job done. It is our goal to be the premier provider of Environmental Services in each geography we serve.
