Luke Leising


A career in the military laid the foundation for civilian practice
39, President
Guidon Design Inc.

As president of Guidon Design, a firm he founded in 2011, Luke Leising and a staff of 15 specialize in health care, military projects and sustainable design, including a combined sewer overflow tunnel and mass-transit study for Indianapolis. Leising, who holds degrees in architecture and engineering, credits his experience in the U.S. Army, including route clearance and weapons cache missions in Kosovo and Macedonia, for a career rooted in leadership and teamwork. In 2006, he helped found the inaugural Indiana Building Green Conference and chaired the event for three years. The conference drew nearly 800 attendees in 2012. Owners and fellow designers frequently seek Leising's assistance in implementing sustainable design concepts. Likewise, Leising has worked with the American Institute of Architects and American Military Engineers to promote sustainable design.

Ryan Maibach


Firm's leader has a knack for the common touch
39, President
Barton Malow Co.
Southfield, Mich.

Connecting with company employees across the nation, no matter the location or position, became the defining feature of Ryan Maibach's early days as president of Barton Malow. Maibach, a fourth-generation employee with the firm, previously served as operations vice president with its industrial group. Group revenue doubled during his tenure. He also served as lead for Barton Malow's internship program, broadening its curriculum and programs to provide students with a more practical and comprehensive view of industry practices. Maibach is a member of Purdue University's Dept. of Construction Management Advisory Committee and is involved in numerous construction-related community organizations, including Habitat for Humanity, Paint the Town and the Engineering Society of Detroit's Future City. He also serves as executive committee co-chair of the Great Lakes Council of Boy Scouts Building Connections Program.