While performing the functions of this job, the employee is continuously required to sit; frequently required to stand, walk, use hands to finger, handle, or feel, talk or hear; and occasionally required to reach with hands and arms, stoop, kneel, crouch, or crawl. 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.