Principals
Associate Principals
Senior Associates
Associates
2026
MANAGING Principals
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Principals
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associate principals
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senior ASSOCIATES
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Our leadership team continues to grow and expand. Join us in congratulating these outstanding professionals on their promotion to an elite level in our industry.
Kyle Bogardus, PE
Managing Principal
Houston, TX
Started Langan’s Houston office in 2015 and has co-led the firm’s Texas growth to nearly 200 professionals across six offices in the Lone Star State. A former member of the U.S. Army Corps of Engineers and recipient of a Bronze Star and the de Fleury Medal, Kyle’s military experience includes countless vertical and horizontal construction projects while serving in Iraq, Kuwait, and Afghanistan.
Scott Rowland, PE, LEED AP
Senior Principal
Pittsburgh, PA
Driving force of Langan’s Midwest land development growth from Pittsburgh to Cleveland to Chicago in support of prominent clients, including Carnegie Mellon, University of Pittsburgh, and UPMC
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Principals
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senior associates
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ASSOCIATES
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associate Principals
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Associate Principals
Principals
Senior Associates
Associates
Our leadership team continues to grow and expand. Join us in congratulating these outstanding professionals on their promotion to an elite level in our industry.
2024 LEADERSHIP PROMOTIONS
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ASSOCIATES
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Senior Principals
Chris Roche, PE, LEED AP
Senior Principal
Princeton, NJ
Go-to site/civil leader for major Garden State clients, including RWJBarnabas, the New Brunswick Development Corporation (DEVCO), and Rutgers University
Jason Hanna, CHMM
Senior Principal
Doylestown, PA
National environmental leader at Langan who has coordinated multiple rapid due diligence and environmental strategy initiatives across the country in support of the energy, e-commerce, and data center markets
Michael Burke, PG, CHMM, LEED AP
Managing Principal
New York, NY
Environmental and energy practice leader in Langan’s New York City office with expertise in site investigation and remediation, transactional due diligence, and grid resiliency. He has extensive experience guiding hundreds of complex projects through the NYS Brownfield Cleanup Program, including multiple sites along the Gowanus Canal.
Dan Miola, PE, LEED AP
Senior Principal
Parsippany, NJ
Trusted site/civil consultant in New Jersey leading land development teams on complex data center and warehouse projects for national clients, including Equinix, CoreWeave, and FedEx
Tasos Papathanasiou, PE, ASSOC. DBIA
Senior Principal
New York, NY
Internationally recognized geotechnical professional leading complex residential, civic, and high-rise projects in New York City and Europe, including 56 Leonard, Etihad Park, Hearst Tower, and the EKPPT Motorway
Matt Meyer, PE, BC.GE
Senior Principal
Miami, FL
DFI President’s Award-winning geotechnical engineer leading large-scale projects in the United States and the Caribbean, including the 62-story One Thousand Museum high-rise, Hard Rock Stadium, and the PortMiami Tunnel
Arthur Alzamora, Jr., PE, F.ASCE, LEED AP, ASSOC. DBIA
Senior Principal
New York, NY
Respected geotechnical expert leading some of New York City’s most noteworthy projects, including One Vanderbilt, the Walt Disney Company NYC headquarters, and the 30-foot Palace Theatre lift at TSX Broadway
Shekhar Yadavalli
Senior Principal
Parsippany, NJ
Langan’s Chief Financial Officer with over 20 years of international experience
Jack Garner, PE
Principal
Austin, TX
Leader of Langan’s Austin office with extensive land development experience working on master planned communities and K-12 facilities for Texas’s fastest growing districts
Gerald Nicholls, PE, CHMM
Principal
New York, NY
Environmental leader specializing in the remediation and redevelopment of brownfield sites impacted by MGPs, chlorinated solvents, and petroleum, and the lead remedial engineer for dozens of projects in the New York metropolitan area
Katie Regina, PE, LEED AP
Principal
Irvine, CA
Site/civil leader with experience developing sustainable solutions for challenging commercial, mixed-use, and multi-family residential projects in Southern California
Jenelle Taflin, PE, LEED AP
Principal
Bellevue, WA
Trusted site/civil practice leader providing innovative engineering solutions for mission-critical, healthcare, residential, and commercial projects in the Pacific Northwest
Andy Ives, PLS
Principal
New Haven, CT
Leader of Langan’s survey teams in New England and driving force behind the firm’s regional growth in design-build infrastructure
Jonathan LeBoon, PE, LEED AP
Principal
Arlington, VA
Site/civil practice leader in the Mid-Atlantic with extensive international experience working on both private and public land development projects
Cory Lavoie, CHMM, PMP
Principal
Santa Barbara, CA
Leader of Langan’s Santa Barbara office and driving force behind the firm’s expansion in the Western United States and Canada
Brett Milburn, GISP
Principal
Bethlehem, PA
Head of Langan’s rapidly growing Applied Technologies Group, overseeing Geospatial/Geographic Information Systems, enterprise data management, and web/mobile technology
Keith Ottes, PE, PP, CFM
Principal
Doylestown, PA
Accomplished land development engineer specializing in industrial/distribution, residential, and commercial development projects throughout the East Coast
Danielle Sandella, CHMM
Principal
New Haven, CT
Leader of Langan’s national environmental compliance practice with expertise in multimedia compliance and permitting
Tim Stout, PE, CPESC, LEED AP
Principal
Phoenix, AZ
Leader of Langan’s Phoenix office and an integral member of the firm’s data center, healthcare, international, and sports design teams
Joe Taflin, PE, LEED AP
Principal
Bellevue, WA
Land development leader in the Pacific Northwest specializing in urban infill and suburban developments in the Puget Sound region
Tim Ward, PE, LEED AP BD+C
Principal
New York, NY
Leader of Langan’s United Kingdom operations handling megaprojects across several continents
Gregg Woodruff, PP, AICP, LEED AP BD+C
Principal
Parsippany, NJ
Natural resources/permitting lead and sustainability champion with award-winning project experience
Daniel Bosworth, PE
Associate Principal
Parsippany, NJ
Environmental leader of Langan’s national aviation practice, providing strategic oversight on AFFF system transitions, PFAS management, and regulatory compliance initiatives
Jewel Chadd, RPLS
Associate Principal
Dallas, TX
Survey operations leader for Langan’s Dallas and Tyler offices with extensive experience delivering high-quality solutions for public and private sector clients
Patrick Farnham, PE, LEED GA
Associate Principal
Syracuse, NY
Leader of Langan’s Syracuse office and the firm’s growth in Central New York, bringing expertise in remedial design, environmental review, and regulatory compliance
Chris Garris, PE
Associate Principal
Salt Lake City, UT
Leader of Langan’s growing Salt Lake City office and geotechnical expert focused on seismic hazards, ground improvement, deep foundations, and slope stability
Todd Huntington, PE, LEED AP
Associate Principal
Cleveland, OH
Site/civil expert driving Langan’s continued growth in Ohio, whose experience spans data centers, education, industrial, commercial, retail, and residential sectors
Emily Mahoney, PE, CFM, LEED AP BD+C, CPESC
Associate Principal
Austin, TX
Site/civil leader with a passion for sustainable design, specializing in land development and flood resiliency
Paul McMahon, PE
Associate Principal
New York, NY
Environmental expert leading complex remediation and cleanup programs in New York City
David Winslow, PhD, PG
Associate Principal
White Plains, NY
Experienced geologist providing environmental and compliance services for contaminated real estate acquisitions and development projects
Tom Reeves, PLS
Associate Principal
Parsippany, NJ
Trusted land surveyor providing traditional surveying and mapping services for utility, infrastructure, and commercial projects
Art Roesler, PE
Associate Principal
Parsippany, NJ
Go-to geotechnical engineer advising clients on complex subsurface conditions and foundation solutions for healthcare, residential, and industrial projects
Al Jones, PE
Senior Associate
Boston, MA
Geotechnical expert managing large-scale projects with complex geotechnical and environmental challenges across New England
Robert Kovacs, LSRP, PG
Senior Associate
Melville, NY
Skilled environmental scientist specializing in brownfield redevelopment, transportation, and industrial projects
Leo O’Brian, PLA, ASLA
Senior Associate
San Antonio, TX
Landscape architect shaping award-winning, sustainable residential communities, mixed-use developments, and open space projects
Rafael Pina, PE, BC.GE
Senior Associate
Miami, FL
Geotechnical leader of complex projects across Florida, Latin America, and the Caribbean, including PortMiami Tunnel, Brickell Flatiron, and MSC Cruises’ Terminal AA
Aaron Rendon, PE
Senior Associate
Houston, TX
Respected site/civil expert with three decades of experience delivering industrial, commercial, and public projects in the Greater Houston area
Tod Whitwer, PE
Senior Associate
Phoenix, AZ
Environmental leader with extensive experience in remediation, regulatory compliance, and redevelopment
Scott Bisbort, LSRP
Associate
Princeton, NJ
LSRP and environmental practice leader specializing in brownfields and remediation across the Northeast
Fatma Ciloglu, PhD, PE
Associate
Pittsburgh, PA
Geotechnical practice leader with expertise in the design and management of complex mission-critical, energy, healthcare, education, and residential projects
Greg DelMastro, PG
Associate
White Plains, NY
Trusted environmental expert leading Langan’s work with power utility clients in the Northeast
Michael DeJianne
Associate
Parsippany, NJ
Senior counsel for Langan’s corporate and M&A transactions
Hamid Fallah, PE, DBIA
Associate
New York, NY
Geotechnical leader with diverse experience supporting complex residential, mixed-use, and commercial projects in the Northeast and internationally
Larry Ford, PE, BC.GE, WEDG, LEED AP BD+C
Associate
Melville, NY
Geotechnical expert and leader of Langan’s Melville office, driving the firm’s growth across Long Island
Carly Davis, PE
Associate
Pittsburgh, PA
Effective land development engineer leading large warehouse and master planning projects in Pennsylvania and beyond
Brandi Gray, LSRP
Associate
Doylestown, PA
Environmental expert supporting Langan’s PFAS initiatives, with a focus on remediation and regulatory compliance
Shaun Haas, PE, CPESC
Associate
Doylestown, PA
Co-leader of Langan’s site/civil practice in Doylestown with specialized experience in e-commerce, residential, commercial, and infrastructure developments
Michael Hervochon
Associate
Parsippany, NJ
Tax and compliance professional with expertise in federal tax law and strategic advisory
Ryan Jorrey, PG, QISP, QSD/P
Associate
Los Angeles, CA
Experienced environmental professional expanding Langan’s compliance practice throughout Southern California
John Kastner, PE
Associate
Milwaukee, WI
Site/civil expert driving Langan’s growth in Wisconsin, with experience spanning data centers, education, industrial, commercial, retail, and residential sectors
Steven Laudati, PLA, ASLA, WEDG
Associate
Parsippany, NJ
Landscape architect leading the design of sustainable spaces for residential, K-12, mixed-use, and public park projects
Kenneth Huber, PE
Associate
New York, NY
Go-to waterfront engineering expert in the New York metropolitan area
Richard Lo, PE
Associate
Austin, TX
Experienced multidisciplinary leader specializing in geotechnical, structural, and waterfront engineering
Beattie McNeal, MPH, CIH, CSP
Associate
Established EHS leader with experience in the manufacturing, chemical, power, oil & gas, and technology sectors
Lillian McPherson, CPA
Associate
Parsippany, NJ
Finance professional overseeing Langan’s global accounting, reporting, and compliance functions
Jaydeep Purandare, PE
Associate
Irvine, CA
Environmental professional with extensive experience remediating and redeveloping contaminated sites throughout California
Christina Rain, PE
Associate
San Franscisco, CA
Environmental leader delivering due diligence, remediation, and development services across California for public and private clients
Andrew Rakowski, PE
Associate
Orlando, FL
Site/civil leader with expertise in designing stormwater management and conveyance for complex projects involving hydrological and hydraulic impact analysis
BJ Parekh, PE, LSRP
Associate
Parsippany, NJ
Environmental leader with expertise in designing and implementing sustainable remediation technologies
Atena Vladu
Associate
New York, NY
Marketing expert leading Langan pursuits across New York and internationally
Matthew Welch, PE, PP, PTOE
Associate
Parsippany, NJ
Site/civil engineer leading complex, multidisciplinary projects through design, entitlements, and construction, with a primary focus on the New Jersey and New York markets
Wilson Wong, PE, GE
Associate
San Jose, CA
Geotechnical engineer trusted by top clients in the data center, life science, residential, and mixed-use sectors
Scott Wieczorek, RPA
Associate
Melville, NY
Cultural resources leader specializing in historic and industrial artifacts, sites, and structures
Bryan Waisnor, PE, LEED AP
Senior Principal
Parsippany, NJ
Seasoned site/civil leader in the New York metropolitan region with extensive experience across the retail, residential, industrial, education, and entertainment sectors, including marquee projects such as American Dream
Senior Associates
senior associates
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SENIOR principals
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Gregory Wyka, PG, GCSD, LEED AP ND
Associate
New York, NY
Experienced geologist specializing in the redevelopment of brownfield properties and the design and construction of geothermal/ground source heat exchange systems
Kyle MacGeorge, PE, LEED AP
Associate Principal
Philadelphia, PA
Co-leader of Langan’s site/civil team in Philadelphia with extensive experience working on complex higher education, healthcare, and data center projects
Managing Principals
Leadership Promotions
senior principals
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Art Roesler, PE
Associate Principal
Parsippany, NJ
Go-to geotechnical engineer advising clients on complex subsurface conditions and foundation solutions for healthcare, residential, and industrial projects
Matthew Welch, PE, PP, PTOE
Associate
Parsippany, NJ
Site/civil engineer with expertise in land use approvals and site design for retail and mixed-use projects
Gregory Wyka, PG, LEED AP
Associate
New York, NY
Experienced geologist specializing in projects involving brownfield redevelopment, regulatory government, and environmental liability
Senior Principals
Dan Miola, PE, LEED AP
Senior Principal
Parsippany, NJ
Site/civil leader overseeing large-scale data center and warehouse projects in the Northeast
Dan Miola, PE, LEED AP
Senior Principal
Parsippany, NJ
Site/civil leader overseeing large-scale data center and warehouse projects in the Northeast
Chris Rose, PE
Associate
Irvine, CA
Go-to environmental consultant for due diligence, PFAS, and solid waste, with extensive experience supporting aerospace and real estate clients across California
Wilson Wong, PE, GE
Associate
San Jose, CA
Geotechnical engineer trusted by top clients in the data center, life science, residential, and mixed-use sectors