ability to read, analyze, and understand common scientific and technical journals, financial reports, and legal documents; ability to respond to complex or difficult inquiries or complaints from customers, regulatory agencies, or members of the business community. While performing the functions of this job, the employee is frequently required to sit, use hands to finger, handle, or feel, talk, or hear; and occasionally required to stand, walk, reach with hands and arms, stoop, kneel, crouch, or crawl.