Craig Burton


He's proved an energetic force in the field of clean technology
32, Director
PositivEnergy Practice

Since Craig Burton's arrival at PositivEnergy Practice (PEP), the mechanical engineer has seen staff and commissions grow fivefold, with work ranging from super-tall towers in Asia to homegrown projects in Chicago. Colleagues credit Burton's integrity and commitment to sustainable design for the substantial repeat business the company enjoys. As director of clean technology, he manages and mentors a team specializing in green building design, performance evaluation and low carbon development. With his assistance, PEP developed a free parametric modeling tool that allows Chicago-area owners to identify, assess and compare energy efficient improvements. Burton is a founding member of the Chicago chapter of the International Building Performance Simulation Association, a nonprofit organization dedicated to improving the design, construction and operation of buildings.

Jason Chandler


He's retooling one of Chicago's oldest designers and builders
36, Vice President, Director of Project Management

Jason Chandler is among eight executives who oversee day-to-day operations for Epstein, a 93-year-old design and construction firm. Schooled in both architecture and construction management, Chandler proved instrumental in transitioning Epstein from a discipline-oriented enterprise to a project- and market-oriented one. He also streamlined and standardized processes to improve the accuracy and efficiency of project management programs. In addition to serving as board member for the Global Design Alliance, a coalition dedicated to improving the built environment, Chandler has participated in numerous lectures and presentations at universities in the region.