Mark Chrisman, P.E., Ph.D., principal at Henderson, has been named health sector executive for the firm. He will oversee all healthcare work across the country. He joined Henderson Engineers in 2004 and quickly began establishing client relationships that he still maintains. He has designed healthcare environments for some of the biggest names in the industry, providing technical expertise. Chrisman is heavily involved with many professional organizations, including ASHE, NFPA and ICC.