HOME ABOUT SERVICES MARKETS CAREERS CONTACT HEALTHCARE SCITECH MISSION CRITICAL HOSPITALITY GAMING ENTERTAINMENT FEDERAL TEAM EXPERTISE PROJECTS EXPERIENCE LIST PRESENTATIONS
	IT'S THE EXPERIENCE.	LEADERSHIP Mark Aprea, Principal Don Crotty, VP Lisa Green, Principal Phil Lasarsky, Principal Bill Leuci, Principal Ned Michalowski, VP Mariano Rodriguez, Principal           Don Crotty, PE Vice President Don has more than 20 years of experience. He has directed and supervised engineering for projects ranging from R&D laboratories to healthcare facilities and commercial projects to large scale multiple building campuses. His experience with top research organizations with programming, master planning, laboratory design, new development and modernizations, helps drive the success of the project and the teams he leads.
	Having merged the expertise of Earl Walls Associates with other leading SciTech professionals, X-nth’s capabilities are unmatched. Laboratory planners, leading authorities in pharmaceutical process air systems, LEED® certified engineers, hazardous waste experts and specialists in equipment instrumentation bring us to the forefront of scientific discovery.