Leading Executives in Excavating Contractors
Paul Leonard
President, Keller North America
President of the #1 ENR-ranked Deep Foundations firm in North America; leads 4,000+ people across the U.S. and Canada after being appointed in June 2024. Under Keller, the brand has held the top Excavation & Deep Foundations ranking since 2019.
Jason W. Malcolm
President & COO, Malcolm Drilling Co., Inc.
Second‑generation leader guiding one of the largest specialty deep foundation and slurry wall contractors in the U.S.; oversees complex geotechnical programs nationwide as President & COO.
Brad G. Carroll, PE
President & CEO, Plateau Excavation (a Sterling Infrastructure company)
Professional engineer who rose through operations to helm one of the Southeast’s largest mass‑earthwork and site development contractors, leading mega site and mission‑critical programs.
Shannon Creson
President/Owner/Founder, Drill Tech Drilling & Shoring, Inc.
Founder who grew Drill Tech from a two‑person operation into a 500+ employee national specialty geotechnical contractor known for earth retention, shaft/tunnel work, and shotcrete.
David Howe
President & CEO, J. Derenzo Companies
Heads a leading New England site development and excavation group with integrated demo and environmental affiliates, delivering major deep‑hole excavations and utilities.
Adam Ryan
President, Ryan Incorporated Central
Fourth‑generation leader at a 140‑year‑old sitework powerhouse delivering large earthwork, landfill, industrial and logistics site projects across the Midwest and Mid‑Atlantic.
James Johnson
President, Condon‑Johnson & Associates, Inc.
Veteran geotechnical builder credited with patents and decades of innovation leading a West Coast leader in heavy civil foundations, ground improvement and retention systems.
Betsy Sterling
President, The Beaver Excavating Company
Presides over a cornerstone Ohio heavy civil and excavation contractor recognized for large sitework, highway, landfill and geotechnical programs.
Jeff Greider, P.Eng.
President, Nicholson Construction Company (Soletanche Bachy)
Leads the U.S. arm of Soletanche Bachy, steering national operations in deep foundations, earth retention and ground treatment; elevated industrywide leaders including a new COO in 2025.
Mike Ostlund
President, Kiewit Foundations Company
Heads Kiewit’s integrated specialty foundations business, bringing self‑perform geotechnical solutions—deep foundations, ground improvement and retention—to some of North America’s largest projects.
Stefano Valagussa
Chief Executive Officer, TREVIICOS (Trevi Group U.S.)
Directs U.S. operations of the Italian geotechnical leader, delivering slurry walls, cut‑off walls, drilled shafts and rigid inclusions for dams, transit, and complex urban foundations.
Greg Andricos
President & COO, Wagman Heavy Civil, Inc.
President/COO leading a Mid‑Atlantic heavy civil and geotechnical contractor; frequently recognized by DOTs and industry groups for safety, schedule acceleration and delivery on complex bridge and foundations work.
Kevin W. Cargill
President & CEO, Schnabel
CEO of a 65‑year‑old national design‑build geostructural contractor known for excavation support, micropiles and ground improvement on 5,000+ projects.
Thomas Boeck
President & CEO, BAUER Foundation Corp.
Leads the U.S. arm of the global BAUER Group from Florida, executing major drilled shafts, cutoff walls, soil mixing and secant pile systems nationwide.
Hubert Scache
Chief Executive Officer, Menard North America
Appointed CEO in 2025 to guide Menard’s North American ground improvement businesses (stone columns, rigid inclusions, vibro methods), succeeding long‑time leader Seth Pearlman (now Chairman).
Alissa Maxwell Weiss
President, HUB Foundation Company (Soletanche Bachy)
Third‑generation leader and President of Boston‑based HUB, a Northeast drilled shafts, micropiles and slurry wall specialist; joined Soletanche Bachy’s North American family in 2025.
Steve Yurosek
Chief Executive Officer & President, Sukut Construction, LLC
CEO/President of one of California’s largest grading and mass excavation contractors, carrying forward a 55+ year legacy in dams, renewables, landfills and mega‑site earthmoving.
Eric Ritchie
President & CEO, Sargent Corporation
Took the reins in July 2025 as President & CEO of the 100% employee‑owned New England/Mid‑Atlantic earthwork contractor, succeeding long‑time CEO Herb Sargent (now Chairman).
Rob DiGeronimo
President, Independence Excavating, Inc. (DiGeronimo Companies)
President of a third‑generation heavy civil and excavation leader known for large downtown deep‑hole excavations, complex sitework, demolition and recycling across multiple regions.
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