Executive Staff

Tom Sigmund

Name: Thomas W. Sigmund, P.E.
Position: Executive Director

Nathan Qualls

Name: Nathan Qualls, P.E.
Position: Director of Technical Services

Pat Wescott

Name: Patrick Wescott
Position: Director of Operations

William Hafs

Name: Williams Hafs
Position: Director of Environmental Programs


Follow Us:

facebook twitter youtube linkedin

Sign up for our eNewsletter:

GBS Larger Logo