Meteorology - Weather Consultants: 3

Dr. David L. Mitchell is an authority on the Numerical Modeling of Geophysical and Atmospheric Data with a Doctorate in Meteorology from Purdue University. Dr. Mitchell has over 28 years of technical modeling experience in industry and consulting.

Dr. Mitchell is a Court Qualified Expert in Air Modeling and Forensic Meteorology. His business experience includes various research, project management and technical consulting positions with Conoco, Getty Oil Company, Texaco, Tenneco, British Petroleum, Leviathan Gas Pipeline LLP and IBM Corporation.

Dr. Mitchell has extensive knowledge of Forensic Meteorology and has published his research results on the numerical modeling of atmospheric stability and convection. Dr. Mitchell is an expert in the field of Air Pollution Meteorology with over 28 years of experience with the mathematical modeling of wave propagation in elastic media, atmospheric fluid dynamics and air dispersion modeling.

Dr. Mitchell is a specialist in Weather Event Re-Construction for litigation and has provided expert testimony for numerous cases related to severe weather events and the application of Force Majeure clauses. He has provided forensic meteorology support for civil and criminal investigations and insurance cases involving weather related accidents, the release of toxic pollutants into the air, air pollution and weather related personal injury and property damage.

He is a member of the Air and Waste Management Association, the American Meteorological Society and the National Association of Environmental Professionals. Dr. Mitchell is also an Associate Member of the American Bar Association with affiliation with the Litigation Division and is a Certified Professional Geoscientist and a Licensed Professional Geoscientist (#1330) in the State of Texas, Certified by the Texas Board of Professional Geoscientists.

Degrees

Ph.D., Atmospheric Science and Meteorology, Purdue University 1976

M.S., Physics, Purdue University 1974

B.S., Physics and Mathematics (Dean’s Distinguished List), Baylor University 1972

Dissertation: A Theoretical Investigation of Atmospheric Convective Modes as a Function of Rayleigh Number, Prandtl Number and Eddy Anisotropy; 1977, Meteor. Soc. Japan, Vol. 55, No. 4, 341 – 363.

Certification and Honors

Court Qualified Expert in Air Modeling and Forensic Meteorology

Certified Professional Geoscientist, Licensed Geoscientist – Texas Board of Professional Geoscientists

Associate of the Scientific Research Society of North America

Sigma Pi Sigma, National Physics Honors Society

Distinguished Expert, National Forensic Center

Thomas R. Piazza, CCM, President and CEO of Murray and Trettel, Incorporated, brings to the company more than 35 years of experience in the field of Meteorology with more than 20 years in positions of management. He joined Murray and Trettel in 1975 after four years of experience as a Weather Officer in the U.S. Air Force.

In 1987, Mr. Piazza was named President of the Operational Forecast Division, in 1991, Executive Vice President of the Company and in 2001, President and CEO. In addition to his administrative responsibilities as President, he is a Certified Consulting Meteorologist holding Certificate #661.

Swenson Consulting offers Snow Removal Services and developed its own proprietary snow operations software and can help business owners who desire to build or maintain a software package to assist their snow operations. They offer general business advice for many different types of situations including:

• Growth Development and Strategy for Snow Removal Businesses
• Diversification of Snow Removal Business Services
• Effective Collection of Invoicing for Snow Removal Businesses

Principal, Jeremy Swenson, CSP, has satisfied requirements by SIMA (largest nationally recognized snow and ice trade organization-Snow and Ice Management Association) to become a Certified Snow Professional. There are less than 250 CSP’s in the USA.

Mr. Swenson owned and operated Snowmen, one of the largest snow and ice management companies in North America for over 20 years. He has obtained Security Clearance and is trained for onsite snow operations at the IRS Regional Headquarters, FBI Headquarters, Department Of Treasury Buildings, and many types of Airport, Railroad, Organ Transplant Centers, and Medical facilities. He stays current with the modern methods and systems used today in snow and ice removal operations, procedures, equipment, contracts, and is very familiar with the types of de-icers used in the snow removal industry today. He has successfully navigated hundreds of slip and fall accidents and snow removal-related incidents. After overseeing thousands of commercial accounts over the years, he has worked through almost every issue that is relevant to a snow removal operation in the industry.

View Jeremy Swenson's Expert Witness Profile.