Rockwood River Guide® Nick Salisbury currently serves on the boards of two Rockwood portfolio companies in the environmental services sector: CWES and NG Companies, where he is Chairman of the Board. With more than 25 years experience in geotechnical drilling and more than 10 years experience in design and construction of specialty foundations, Nick is listed as a primary inventor on five U.S. patents and has two international patents pending. Nick founded Crux Subsurface, a geotechnical exploration and construction company in 1998 and eventually sold the business to Quanta Services Company. He currently serves as President of Subsurface Logistics, Inc. and Chief Executive Officer of EmpireAir, LLC.