May 2025

Jennyfer LaBuff38, Director of Data Engineering and Application DevelopmentSundt ConstructionTempe, Ariz.Recruited to Sundt in 2012 by a former colleague, LaBuff steadily advanced through multiple promotions and increased responsibilities to her current role leading a team that manages the contractor’s

✕ The hustle and bustle of New York City set the scene for ENR’s conversation with this year’s National Top 20 Under 40 winners. At a March 28 meeting, they discussed solutions for construction’s most pressing challenges and how to

Lauren Ladowski Kraemer33, Principal and Vice PresidentARCO/Murray National ConstructionDallas, Texas A natural problem solver and a standout in math and science, Kraemer explored engineering after high school as a way to do something fun as well as increase her chances

Lauren Alger31, Director of Sustainable DesignSTVNew York City More than a year after serving as a virtual delegate for Architecture 2030 at the 2023 UN COP28 annual climate summit in Azerbaijan, Lauren Alger remains energized to tackle the industry’s biggest

The House Transportation and Infrastructure Committee released draft bipartisan legislation May 8 to solicit feedback on ways to revamp the Federal Emergency Management Agency without abolishing it altogether. But that step was nearly overshadowed in a week in which

Jennifer Mahan32, AssociateThornton TomasettiNew York CityJennifer Mahan knows that as a young Black female resilience engineer deeply involved with diversity, equity and inclusion initiatives in the construction industry, this is her moment to speak truth to the issues she

Alex Belkofer39, Senior VDC DirectorMcCarthy Building Cos.St. LouisArmed with a dual degree Bachelor of Science in Architecture and Construction Systems Management from Ohio State University, Alex Belkofer could have chosen a career in either architecture or building. He chose

Steve Burke39, Senior Director, SustainabilitySuffolkBostonAs a sustainability professional who has worked on both project design and construction at Boston-based construction management firm Suffolk, Burke easily moves from one to the other and interacts well with peer professionals on both

Larisa N. Escalle39, Rail and Transit Lead, Northern CaliforniaGHD Inc.Concord, Calif.After 15 years working in rail and transit sector design, Larisa Escalle has reached a level in her career when her experience and portfolio of work speaks for itself,

Ethan Walton36, Project DirectorMcCarthy Building Cos. Inc.DenverWith a master’s degree in strategic management and a combination of technical and people skills, Walton may have found the recipe for success.A job tying rebar and placing concrete for a family friend’s