When he thinks about sustainabiity, he tends to think big
29, Sustainable Design Director
In 2009, Colin Rohlfing coordinated sustainability efforts among 1,500 architects, engineers, consultants and some 25,000 site workers involved in constructing the world’s largest LEED-NC Platinum project: the King Abdullah University of Science and Technology campus in Saudi Arabia. As HOK’s director of sustainable design, Rohlfing oversees design across several practice areas.
Her mastery of management has made her master among tradesmen
40, Associate Principal
Nagle Hartray Architects Ltd.
Julianne Scherer leads Nagle Hartray’s largest projects because she sees them from the perspectives of the client. She’s an accomplished facilitator, diplomat and manager, colleagues say.
Young attorney rises to VP
30, Vice President
Tri-North Builders Inc.
After graduating from law school and practicing construction law for five years, Anna Stern joined contractor Tri-North Builders as a vice president of daily operations. Throughout her career, Stern has trained and mentored young attorneys and educated construction professionals about several aspects of construction law, including liens, green building, AIA contract documents, and ConsensusDOCS.
When he’s not instructing, he’s leading by example
38, Associate Principal
KJWW Engineering Consultants
Rock Island, Ill.
Brian Weger’s staff of 30 tackles some of KJWW’s largest projects, drawing on his experience leading technical and multi-discipline teams. Because younger engineers look to him for leadership, project management and mentoring, KJWW selected him to instruct them in project management and consulting.
David T. Weihing
He brings a human touch to design
38, Vice President
Thornton Tomasetti Inc.
David Weihing has a reputation for listening carefully and sharing insights that bring designs to life. He also is noted for his mastery of BIM and REVIT.
He uses his engineering expertise to guide large projects
37, Construction Executive
Andy Wiegman provides strategic direction while overseeing large projects such as Miller Park scoreboard renovations and SC Johnson Co.’s Fortaleza Hall.