Management Team

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Paul Anderson, COO

Paul is the founder of GEM, which he started in 1994. Paul sold the company to General Environmental Management in 2006. Paul led the divestiture of GEM Mobile Treatment in 2009. He currently oversees the operations, safety, compliance, and engineering departments of the company. Paul is a recognized nation-wide expert in vapor combustion and has presented at numerous technical conferences on tank degassing and vapor control. He is a member of the US Coast Guard Chemical Transportation Advisory Committee (CTAC), which is chartered with developing regulations governing the movement of hazardous products over the nation’s waterways.

Paul holds a BS in Chemical Engineering from Oregon State University.


Chris Longo, Corporate Regulatory Compliance Manager

Chris is responsible for GEM’s environmental regulatory compliance including permit negotiation, regulatory interpretation, and agency interface. Prior to joining GEM in 2006, Chris was in environmental consulting where he held duties such as project management, data collection and tabulation, and performed field audits.  

Chris holds a BA in Geography/Environmental Studies from California State University Long Beach.


Chris Derrick, Corporate Engineering Manager

Chris joined GEM in 1997 and oversees all aspects of equipment design, fabrication, and startup. He also has responsibility for equipment-specific training, equipment performance & preventative maintenance, and technology innovation. Chris is a recognized national expert in vapor combustion. 

Chris holds a BS in Chemical Engineering from Ohio State University.


Our Offices

Corporate Headquarters 2525 Cherry Ave, Suite 105 Signal Hill, CA 90755 Tel – 562.595.7075 Fax – 562.595.7546
Gulf Coast 1434 Sens Rd. LaPorte, TX 77571 Tel – 281.471.0107 Fax – 281.471.0162
Southern California 1196 E. Willow St. Signal Hill, CA 90755 Tel – 562.436.2999 Fax – 562.495.1039
Corpus Christi, TX 117 Airport Road Corpus Christi, TX 78405 Tel – 361.883.1100 Fax – 361.883.1197
Northern California
3915 Teal Court
Benicia, CA 94510
Tel – 707.751.1710
Fax – 707.751.1711


GEM Mobile Treatment Services Toll Free: 1-877-GEM-MOBILE

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