Materials (General) Consultants: 19

Tom Jonaitis, DABT, is a Board Certified Toxicologist and Product Safety / Regulatory Consultant with 18 years of experience. He has broad expertise in the areas of Safety and Exposure Assessment, Regulatory Compliance, and Toxicology Evaluations.  

Mr. Jonaitis helps companies efficiently navigate and comply with various regulations and obstacles in the consumer product, food, cosmetic, dietary supplement, and chemical industries. His has co-authored several manuscripts in peer-reviewed journals on the topics of safety, risk assessment, and other research.

Background Experience - Prior to forming RegTox Solutions, Mr. Jonaitis served as Manager of Toxicology & Regulatory Affairs at Intertek Scientific & Regulatory Consultancy (2005-2018). He worked as subject-matter expert (SME) and client contact for matters related to California Proposition 65, including presenting webinars and presentations. He also conducted human exposure assessments in relation to chemicals in food, dietary supplements, consumer products, cosmetics, as well as deriving exposure limits for carcinogens, reproductive / developmental or other toxins using traditional and benchmark dose modeling approaches.

Business Consultant Services:

• Regulatory Compliance Evaluations
• Scientific Literature Hazard Reviews and Summaries for Chemicals / Substances
• Creating Pre-Market Quality and Safety Dossiers for Novel Food / Dietary Supplement Ingredient Applications (primarily for US, Canada, Australia)
• Safety Assessments
• Label Claims Analysis and Compliance
• Deriving Exposure Limits
• HazComm, Pesticide Applications, and various other niche areas
• California Proposition 65 Compliance (and how to avoid costly enforcement)

Shatec Engineering Consultants provides engineering consulting services in a variety of areas including highway engineering, traffic engineering, pavement engineering, geotechnical engineering, materials engineering, forensic engineering, construction support services, and other civil engineering matters. Example services include the following:

Traffic Engineering Highway Design Standards/ Geometric Design/ Plans and Specifications Highway Specifications / Guidelines Highway and Traffic Safety Highway Safety Traffic Control Devices / Traffic Control Plans/ MUTCD Sight Distance Requirements Road and Roadside Hazards ADA Requirements Surface Conditions - Friction, Skid Resistance Road Defects Code Violations

Pavement Design/ Materials Pavement Management Geotechnical Engineering Construction Quality Construction Defects Construction Claims Drainage Requirements Hot Mix Asphalt/Modified Asphalt Structural and Pavement Concrete Standards Mass Concrete/ Thermal Control Plans/ Instrumentation Highway Repairs / Maintenance Public Agency Policies / Practices

President, Shakir Shatnawi, PhD, PE, is a nationally and internationally recognized leader in the Transportation Engineering industry. He has over 30 years of practical and extensive engineering and transportation expertise covering industry and public agencies including the Federal Highway Administration (FHWA) and the California Department of Transportation (Caltrans). He taught highway and transportation engineering at California State University.

Dr. Shatnawi served as a principal investigator on multi-million dollar transportation projects. He held various positions in Caltrans including a Senior Transportation Engineer, a Supervising Transportation Engineer and a Division Chief.  Dr. Shatnawi's education and experience demonstrates a wealth of engineering knowledge stretch in highway design, traffic engineering, pavement design, geotechnical engineering, materials and construction . As a recipient of many acknowledgements from the government, Dr. Shatnawi has an impeccable reputation within the industry for his significant professional contributions. As an expert orator, he frequently shares his knowledge at major conferences around the world. 

View Dr. Shatnawi's Expert Witness Profile.

William C. Stein, Jr., PE, CCM, has more than 45 years of Roadway / Heavy Highway Construction and Materials Engineering experience. He has a rich and varied work history that includes construction materials engineering for highways and bridges, industrial plants, high rise offices, and power plants. He has worked for private owners and general contractors as well as the Department of Transportation.

Litigation Support - Mr. Stein Offers consulting and expert services for attorneys on issues regarding road, street, highway, temporary traffic control, runway, and earthwork; asphalt, concrete, coatings and other construction materials; designs, plans, specifications, CPM scheduling (Primavera) and contract documents; right-of-way issues; and work zone safety. Licensed in Louisiana, Pennsylvania, and Texas, he performs contract performance forensic investigations and provides consulting, expert reports, rebuttals, and testimony if required.

Areas of Expertise:

Highway Construction Roadway Construction Bridge Construction Highway Engineering Materials Engineering Construction Site Work

Traffic Safety Concrete / Cement Building Contractor Liability Construction Damages Scheduling Delay and Analysis Soil Analysis

Certifications:

• Certified Construction Manager (CCM)
• Certified Primavera Basic (CPM)
• Certified Primavera Advanced (CPM)
• Certified LADOTD Structural (bridge)
• Inspector/Technician Certified Troxler
• Humboldt Nuclear Moisture/ Density Operator
• Lead Abatement
• Certified Quality Compliance Surveillance in Fossil Power Plants, Organic & Inorganic Coatings Application and Inspection
• Certified Traffic Control Supervisor
• Certified Flagger Instructor

Summit Associates of Bedford is a Materials and Manufacturing firm offering growth strategy, operations improvement, and international sourcing to commercial clients ranging in size from $3 to $150 million.

Summit Associates has a record of fixing troubled organizations and driving growth in complex technology based operations. Skilled at positioning small and middle market companies for sustained growth, they have commercial experience in ten countries, including creation and oversight of global partnerships in Europe and India and acquisition, sale, and licensing of fifteen technologies in seven countries.

Consulting Services:

Turnaround Leadership Organizational Change and Alignment Accelerated New Product / Market Development Product Launch

Lean Manufacturing Technology Acquisition Sale and Licensing International Partnerships Technology Valuation

Principal, Thomas W. Caldwell, PE, has over 40 years of experience in Materials Research and Development, Process and Product Development, and Manufacturing Operations in the Precision Cast and Machined Products industry.

Mr. Caldwell has designed and manufactured components for consumer and industrial products, including safety-critical applications such as aircraft landing gear brakes, seat belt lockup devices, windshield wiper, and window lift motor systems. He has experience creating and guiding technology development and manufacturing partnerships in Europe and Asia, licensing and selling intellectual property and creating supply chains in China.

Mr. Caldwell has lectured in the USA, Germany, Switzerland, and India on manufacturing premium quality metal products and manufacturing processes, and was a technical paper peer reviewer for 20 years for the Society of Automotive Engineers. A United States patent holder, he has published peer reviewed research in electrochemistry and materials processing, and has written and spoken numerous times on the subject of Materials Selection.

View Thomas A. Caldwell's Expert Witness Profile.