Our Team

Meet the Lew Environmental Team

Lee Wasserman

President & CEO

Mr. Wasserman is a 30-year nationally recognized environmental industry leader who specializes in property-oriented issues. Few in the industry have more years of environmental field and management experience than Mr. Wasserman. He is currently the founding CEO and President of LEW Environmental, which was established in 1991. During his two decades of environmental experience, Mr…. Read More

Greg Krueger

Senior Vice President

Greg Krueger is Senior Vice President of Operations for LEW Environmental. In this position, Mr. Krueger oversees all day-to-day corporate operations for above ground remediation, below ground remediation, consulting and administration divisions. He joined LEW Environmental in 2003 as a Project Manager specializing in indoor air quality investigations. Over the years, Mr. Krueger has progressed… Read More

Melissa Guagenti

Executive Director

Melissa Guagenti is the Executive Director at LEW Environmental with experience in management, customer service, and marketing. Before her employment with LEW Environmental, Melissa studied Business Management and Marketing at Montclair State University and graduated with a B.S. in Business Administration in 2008. During her time at MSU, she was enrolled in the Disney College… Read More

Steven Leon

Director of Training

Steve Leon is the Director of Training for NAETI, Inc. LEW Environmental’ s Training Division. NAETI is a leader in the environmental space, including asbestos, lead, indoor air quality, health and safety, construction, personal protection, and hazardous materials. As a dedicated leader in the environmental health and safety training space, he skillfully oversees and develops… Read More

Ken Apen

Sales Manager

Kenneth Apen is an accomplished and highly experienced Business Development and Sales Professional with deep expertise in full-service Environmental Consulting, Training, and Remediation. He partners with clients across complex environmental challenges and develops tailored solutions to achieve safe and reliable outcomes. He skillfully guides clients across local, state, and federal environmental laws and regulations to… Read More

Karrie Munoz

Business Development Manager, NY Division Manager

Karrie Munoz is the Business Development Manager and NY Division Manager for LEW Environmental, the nation’s leading environmental consulting provider. She drives client success across complete environmental lead services. She is an industry specialist in the areas of lead health hazards, property environmental compliance, risk management, and federal and state regulations. Notably, she brings deep… Read More

Michael Mosier

Senior Project Manager

Mike Mosier is an accomplished Senior Project Manager and Housing Authority Partner with over 10 years of experience partnering with clients to unpack complex environmental challenges. He brings deep expertise with environmental hazards and issues such as lead, mold, asbestos, radon, and indoor air quality. He brings order where there is chaos to provide critical… Read More

Robert Carlucci

Project Manager

Krishi Tanna

Project Manager

Charles Hollmuller

Project Manager

Jennifer Morris


Rhoda Wilson

Office Manager

Ruth Cooper

Accounting Manager

Margaret O’Donnell