Management Bios
Thomas Piazza is a co-owner, President and Chief Executive Officer.
Tom, an Aurora, IL native is a degreed meteorologist and has been with Murray and Trettel and Weather Command since 1975. Tom has more than 40 years of experience in the field of meteorology...
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John Boyle is the Executive Vice President , Director of Sales and Marketing and Director of the Operations Forecast Division (OFD).
John, a Boston, MA native is a degreed meteorologist and has been with Murray and Trettel and Weather Command since October 2014. John’s main focus is on building stronger customer relationships with current and...
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Heather Cramond is the Director of the Environmental Applications Division (EAD)
Heather, a native of Lake Villa, Illinois, has served as manager of the Environmental Applications Division (EAD) since December 2016. A degree meteorologist, Heather has been with Murray and Trettel since 2004. She currently...
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Brandon Swedlund is the Manager of the Operations Forecast Division (OFD).
Brandon, a Wisconsin native, received a Bachelor of Science degree in Atmospheric and Oceanic Sciences from the University of Wisconsin-Madison. He is an experienced meteorologist and has been with Murray and Trettel and Weather...
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Allan Williams is the Chief Meteorologist
Allan, a Chicago native, is a degreed meteorologist, a member of the Chicago Chapter of the American Meteorological Society and has been with Murray and Trettel and Weather Command since March 1997. Allan’s main...
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Barbara Diehl is the Director of Office Management.
Barbara, a Chicago native has been with Murray and Trettel and Weather Command since 1996. Barbara’s main focus is Accounting and HR Management. Barbara is an RN graduate of Evanston Hospital School of Nursing,...
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Christopher Appleby is the Field Service Manager
Chris, a native of Brockport, NY, joined Murray & Trettel in June 2017. In September 2023, Chris was promoted to Field Service Manager. Prior to Murray & Trettel, he served on active duty in...
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