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...

Read More >>

John Boyle is the Executive Vice President and Director of Sales and Marketing.

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...

Read More >>

Allan Williams is the Director of the Operations Forecast Division and Senior 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...

Read More >>

Heather Cramond is the Director of the Environmental Applications Division (EAD)

Heather, a Lake Villa, IL native is the manager of the Environmental Applications Division (EAD) since December 2016. Heather is a degreed meteorologist and has been with Murray and Trettel since 2004. Heather is...

Read More >>

David James is the Director of Forensic Meteorology and a Sales and Marketing meteorologist.

David, a Northbrook, IL native is a degreed meteorologist and began his second tour with Murray and Trettel and Weather Command in 2006. David’s main focus is on forensic meteorology. David is a member...

Read More >>

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,...

Read More >>