James Flores
Director of Business Development

Mr. Flores works with the various laboratory departments and regional offices to develop and implement sales and marketing strategies. Mr. Flores also assists Project/Department Managers in the development and strategic approach to bid proposals, statement of qualifications package submittals, and presentations to clients. Because of his 15 years of experience supervising the Hayward optical laboratory, Mr. Flores continues to provide training and technical guidance in PLM and PCM analysis and is often asked to provide expert testimony in legal cases.
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Mark Floyd
Electron Microscopy Supervisor (Hayward Laboratory)

Mr. Floyd supervises the scheduling, preparation and analysis of air, water, dust and bulk material samples for the identification and quantification of asbestos and other fibers and particulate in the Electron Microscopy laboratory. Mr. Floyd is responsible for EM personnel training, quality control activities and development of new EM services. In addition, Mr. Floyd designs and oversees simulation study programs, where specified materials are installed, used or removed in historic fashion while exposure levels are monitored utilizing modern techniques and instrumentation. He provides overall management for programs that may involve multiple laboratory, field, legal or consulting specialties. Mr. Floyd has been in the involved with EM analysis since 1984. and received a B.S. in Microbiology from San Jose State University.
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Beatriz Hinojosa
Lead Laboratory Supervisor (Rancho Dominguez Laboratory)

Ms. Hinojosa oversees the inorganic laboratory in the Rancho Dominguez facility. She is responsible for analyzing samples for lead using atomic absorption. She has experience in PLM and PCM analysis. Ms. Hinojosa has been working for SGS Forensic Laboratory since 2008 and received a B.S. in Biological Science with a minor in Chemistry from California State East Bay.
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Tiffani Ludd
Optical Microscopy Supervisor (Rancho Dominguez Laboratory)

Ms. Ludd supervises the optical microscopy laboratory at the Rancho Dominguez facility. She is responsible for conducting PLM and PCM analyses. She also oversees the scheduling of samples and monitors quality control of the optical laboratory. Ms. Ludd has more than six years of experience in preparing and analyzing fungal and bacterial samples. She has been with SGS Forensic Laboratories since 2001 and she received her B.S. in Biological Sciences from the University of the Pacific.
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Daniele Siu
Inorganic Laboratory Supervisor (Hayward Laboratory)

Ms. Siu oversees the operation of the metals and inorganic laboratory. She has experience in detecting metals and metalloids using a wide range of methods that include atomic absorption spectroscopy and inductively coupled plasma emission spectroscopy. Ms. Siu has been with SGS Forensic Laboratories since 2001 and received a B.S. in Chemistry from the University of California at Berkeley.
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Steven Takahashi
Corporate Quality Manager
Optical Microscopy Program Manager

Mr. Takahashi is the program manager for the asbestos division. He is responsible for conducting PCM, PLM, nuisance dust and limited particle characterization. He also schedules and trains analysts and oversees quality control. Mr. Takahashi has over 25 years of experience in optical microscopy and has been with SGS Forensic Laboratories for over 20 years. He received his B.A. in Biological Science with a Minor in Chemistry from California State University Fullerton.
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Tad Thrower
Optical Microscopy Supervisor (Hayward Laboratory)

Mr. Thrower supervises the optical microscopy laboratory in the Hayward facility. He is responsible for conducting PCM and PLM analyses as well as particle characterization. He additionally schedules samples, trains analysts, and monitors quality control in the optical microscopy laboratory. Mr. Thrower has been with SGS Forensic Laboratories since 2003 and received a B.S. in Environmental Science from Cal State East Bay.
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Larry Wayne
Applied Microscopy Supervisor (Hayward Laboratory)

Mr. Wayne supervises the applied microscopy laboratory at SGS Forensic Laboratories, and performs analysis on a wide array of non-routine samples that are submitted to the laboratory. Mr. Wayne has been a research microscopist since 1987, and is expert in polarized light, electron and infrared microscopy techniques. He uses each technique on a variety of analyses, including: white powder identification, dust component characterization, fiber analysis, trace evidence examination, gunshot residue (GSR) analysis and particulate characterization and identification. Mr. Wayne is court qualified as an expert witness in the state of California. He received his B.S. in physics from Michigan Technological University in Houghton, Michigan and is on the Board of Directors of the American Society of Trace Evidence Examiners (ASTEE).
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