Mehdi Jalayerian is Senior Principal for ESD now Stantec. His expertise spans over four decades of work on iconic tall-megatall, public assembly and institutional buildings that include the world’s first positive energy large scale building and the world’s next tallest building. He is a frequent speaker on integrated building systems design with a focus on high performance, flexibility, repositioning, and Intelligent Buildings and is a major contributing author to the ASHRAE Design Guide for Tall, Supertall and Megatall Buildings and has authored CTBUH Guide on Stack Effect for Tall Buildings. He holds master’s and bachelor’s degrees in mechanical engineering from the University of Kansas and is a licensed Professional Engineer in 14 states.