Fungus / Mold Investigation Expert Witnesses: 9

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 20 years of experience in:

• Mold
• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure Assessments

Litigation Support - Dr. Brown has been a designated expert in hundreds of cases, been and has testified in both trials and arbitrations. His expertise has never been successfully challenged. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

Michael J. Welton, a Self Employed Consultant since 1998, has been retained as an expert in over seventy-five separate cases in the areas of Property Management, Asset Management, Wrongful Death, Premises Liability, Real Estate Development and Toxic Mold Remediation Protocol for Commercial and Multi-Family properties. He has extensive experience dealing with injuries that occur on income-producing properties, toxic mold in residential and commercial properties, premises liability, life-safety issues, wrongful death, and standard of care in multi-family, retail, and commercial properties.

As a seasoned and experienced real estate professional, Mr. Welton has the background to develop successful income-producing assets, evaluate and complete the acquisition of income-producing assets, and create teams of individuals to professionally manage any type of real estate.

Significant Accomplishments:

• Increased annual rent from $18 million in 1990 to $49 million in 1995
• Supervised/negotiated credit tenant lease transactions generating in excess of $500 million of long-term revenue
• Consistent double-digit rates of return on invested capital
• Developed 1,212,000 square feet of retail shopping centers from 1990 to 1998
• Directly responsible for the acquisition and disposition of one asset generating before-tax profits of $32 million

Mr. Welton has court and deposition testimony experience in AZ, CA, OK, MO, OH, NC, and TX. He is available to travel ANYWHERE.

Ronald Tyson is a Building and Premises Expert in the construction business for over 45 years.  He has years of hands on experience in the individual trades as a tradesman, subcontractor and general contractor.  

Mr. Tyson has been a Michigan licensed builder since 1967 and has functioned as a general contractor and provided supervisory tasks for Tyson Enterprises, Incorporated and other contractors on all types of industrial, public, commercial and residential construction projects since 1963. He is a member of numerous building code and standard authorities, including but not limited to IBC [BOCA, UBC] NFPA, IAEI, NAHB, etc.

Mr. Tyson's experience and expertise can help clients with contracts, safety, and other obligations as they may affect project control of contractors and/or project managers.  He can advise on the duties in new and remodeling construction and maintenance required by the premises owner.

Litigation Support - Mr. Tyson has served the legal community as a Construction Expert Witness for 35 years. He has worked for both plaintiff and defendant attorneys. He is available to perform onsite inspections, research, review litigation matters, makes drawings, interview litigants, and provides evidence for court, including correct building code and life safety statutes and standards as they may affect personal injury claims, construction, contracts, etc. and causation.  Mr. Tyson has never been disqualified in over 200 times in court.

Areas of Expertise:

I bring diverse, combined education, licensing, and credentialing in geology, biology, and hazardous materials management. Indoor air quality as related to asbestos, mold, lead, building hazards, vapor intrusion, OSHA worker and occupant complaints.

I manage a firm of environmental and industrial hygiene professionals while serving as an expert in my diverse field; I have over 70 retained cases complete. I can cost effectively support engagements that may require extensive data gathering across an expanded time frame. I apply my capabilities and credentials across commercial, industrial, and oil & gas settings, with a technical focus on highly regulated industry and real estate.

I have been steadily retained for expert witness services since 1995.

I specialize in structural fire forensic investigation and testing, routinely leverage post-flood emergency response expertise in buildings, specific to microbial disinfection, mold mitigation, and source mold under forensic methods of investigation that may exist under alleged building construction defects. I possess expertise in building systems and mitigating hazards from structures in advance of demolition for asbestos, lead, and other regulated materials.  I prepare, implement (and/or critically review) asbestos specifications, mold remediation protocols, OSHA-driven lead specifications, and remediation soil management plans.

I have evaluated diverse workplaces following loss reports due to alleged safety and public health concerns and offered mitigation strategies for worker safety under OSHA complaints, especially regarding respiratory protection. I have served as an expert for multiple worker injury and wrongful death allegations within the context of environmental exposure.  

View Ms. Franks' Consulting Profile.

Professor Christopher J. Tennant, PhD, CIH, has over 40 years of experience in the field of Environmental Health and Industrial Hygiene. He is Board Certified in the Comprehensive Practice of Industrial Hygiene. Dr. Tennant is currently President, CEO, and Principal Consultant at San Joaquin Environmental, in Fresno California, where he consults with Federal, State, County, City, various public agencies, and private industry sectors from public housing to Aerospace. His services are available in all 50 US States and the United Kingdom.

Dr. Tennant also serves as Professor Emeritus for the Department of Public Health at Fresno State University where he's taught Environment Health, Industrial Hygiene, and Occupational Health and Safety for 35 years at both undergraduate and post graduate levels.

Litigation Support - Dr. Tennant has been retained by numerous insurances companies and law firms on various Industrial Hygiene matters throughout the US, including workers compensation, property damage, personal injury, and wrongful death. He has testified as an expert witness in Federal Court, Superior Court, and Workers Compensation Appeals Board over 100 times. He's been deposed many more times. 

Areas of Expertise:

Pascal Jean-Baptiste is a Certified Mold Inspector with over six years of experience. He performs approximately 1000 annual mold inspections for residential and commercial clients, including homeowners, property managers, real estate agents, restoration and remediation companies, renters, schools, and local governments.

Mr. Jean-Baptiste holds IICRC certifications for WRT, ASD, and AMRT, InterNACHI Certified Mold Inspector, and Florida Mold Assessor & Remediator certifications. He has written over 300 blog articles on the subject of mold.

Litigation Support - Mr. Jean-Baptiste provides expert witness services to attorneys representing plaintiff and defense. His services include inspections, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

DNA Industrial Hygiene CSLB 773462 1A,HAZ is an occupational/environmental health & safety firm providing comprehensive industrial hygiene/environmental services. Dan Napier is the 'go to' person for help with your health & safety program. if you are a small business or one of the fortune 500's DNA has helped someone like you. whether you need a simple survey for a single issue or a complex benchmark or safety audit they have the experience and expertise to do the work. Mr. Napier provides services to the legal community. please check with him for trial assistance, forensic studies or expert witness services. he has been designated as an expert and has testified in federal and state courts.

Ernest N. Charlesworth, MD, is a Diplomate of the American Board of Dermatology, the American Board of Internal Medicine, American Board of Allergy & Immunology, and the American Board of Diagnostic Laboratory Immunology. He has over 40 years of experience in his field of expertise.

Dr. Charlesworth is one of only a few United States physicians who is board certified in both Allergy / Immunology and Dermatology. Well-versed in his area of expertise, he has published over 50 peer-reviewed articles, several textbook chapters, and two textbooks. He has been honored by the American College of Allergy, Asthma, and Immunology for both Distinguished Service and as a Distinguished Fellow.

Dr. Charlesworth offers litigation support, except independent medical examinations, to attorneys representing both Plaintiff and Defense. He has been deposed and/or testified approximately 15 times since 2010. His services include issues of causation and standard of care. Dr. Charlesworth has completed the National Catholic Certification Program in Health Care Ethics. He retired from active medical practice in May of 2014 but continues to be active in academic medicine.

Areas of Expertise:

Robert S. Griswold, CRE, CPM, CCIM, ACoM, RPA, PCAM, CCAM, GRI, ARM, has over 40 years of specialized experience in the field of Real Estate Management. He is currently active as a day-to-day hands-on, licensed practitioner, consultant, and expert witness in all aspects of real estate (except valuation). A 3-time graduate of the distinguished Marshall School of Business at the University of Southern California with a BS ('81), MBA ('86) and MSBA (2nd Masters) ('88) in real estate and related disciplines, Mr. Griswold is a recognized expert on management of all types of residential real estate. He has actively managed over 70,000 residential units and several million square feet of commercial, industrial, self-storage and retail properties nationally. He has extensive experience as a court-appointed receiver (over 200 times) for private lenders and major financial institutions. 

Litigation Support - In the last 40+ years, Mr. Griswold has consulted on over 4,000 litigation matters, has been deposed over 700 times, and provided sworn testimony in trial or arbitration on over 200 occasions in both state and federal litigation matters throughout the United States. Also serving as a court-appointed bankruptcy Custodian and Referee, his casework is very evenly divided between plaintiff and defense work. Mr. Griswold is uniquely qualified to opine on real estate-related litigation matters, having authored or co-authored the 12 best-selling real estate books: Real Estate Investing For Dummies, Property Management Kit For Dummies; Mortgage Management for Dummies, and Landlord's Legal Kit For Dummies. His 15+ years as an On-Air NBC-TV Real Estate Expert and a similar tenure as a major radio station weekly talk show host have prepared him to explain complicated matters at an 8th grade level and present convincing opinions to juries. 

Areas of Expertise:

View Robert Griswold's Consulting Profile.