Our Team

ACT employs the best and the brightest in the industry.  Our service group is trained extensively on all required programs, as well as additional programs ACT has put into place internally. ACT provides all personnel, equipment, materials and other resources required to service your environmental needs.  Our senior management team has over 100 years of industry experience.

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Walter Singer, President

Walter Singer, President

CEO, President and Founder of ACT, Walt has led the company to become a market leading environmental presence in California. ACT has experienced consistent financial growth while having an exemplary…

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Harold DeGuzman, CFO

Harold DeGuzman, CFO

Harold joined ACT in May 2013 as the Chief Financial Officer (CFO). In this role, he has oversight for finance, accounting and human resources. He also plays a key role…

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Jo-Ann Ricci, Controller

Jo-Ann Ricci, Controller

Jo-Ann has over 45 years of experience in operations for manufacturing, purchasing and sales. Jo-Ann has an extensive background in start-ups. She joined ACT to help implement processes, hire needed…

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Douglas Downey, Branch Manager

Douglas Downey, Branch Manager

Douglas Downey has over 23 years of experience in the handling, storage and management of hazardous materials and waste. He is a member of ACT’s staff assigned to our southern…

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Chris Dean, Contract Manager

Chris Dean, Contract Manager

Chris’ promotion to Onsite Contract Manager is well deserved based on his tenure since 2006 as Characterization Chemist. He joined ACT in February 2012 at Sandia. Prior to 2006, he…

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