Contact Us
If you believe that you, your team, or your firm can become part of Langan, let us know.
Richard Burrow, Managing Principal rburrow@langan.com | 201.665.6413
Mark Devaney, Senior Principal mdevaney@langan.com | 201.312.4427
Strategic Hires
When we say that we’re a magnet for talent, we’re not making it up. Check out who has made the move to join Langan.
Robert Kovacs, PG, LSRP Senior Associate
Contributing to Langan's continued growth in Long Island and across New York City.
Melville, NY
Chris Buttermore, PE Associate
Growing Langan's Jacksonville office.
Jacksonville, FL
Jeff Ramey Wisconsin Operations Lead
Growing Langan's presence
in Wisconsin.
Milwaukee, WI
Todd Huntington, PE, LEED AP Associate Principal
Growing Langan's presence in Ohio.
Cleveland, OH
Anna Benton, PE Senior Project Manager
Expanding Langan’s national PFAS practice.
Arlington, VA
Fatma Cilu, PhD, PE Associate
Key leader in Langan's geotechnical practice helping to grow services throughout the Midwest.
Pittsburgh, PA
Beattie McNeal, CIH, CSP Client Manager
Bolstering Langan’s experience and advancing operational risk, EHS, and substainability expertise.
New Orleans, LA
Nicole Campo, AICP, WEDG Senior Advisor
Primarily focused on business development, technical approval, and analyses related to land use changes.
New York, NY
BJ Parekh, PE, LSRP Associate
Growing Langan's environmental consulting practice in New Jersey.
Parsippany, NJ
Andrew Horwath, PE Associate
Expanding Langan's presence in the Midwest.
Indianapolis, IN
Heather McDaniel McDevitt, RPA Associate
Expanding Langan’s cultural resources practice.
Santa Barbara, CA
Sushil Nadkarni Associate
Expanding Langan’s environmental services in Houston.
Houston, TX
Ryan Jorrey, PG Associate
Growing Langan’s environmental services in Los Angeles.
Los Angeles, CA
Sydney Rich, PE Senior Project Manager
Expanding Langan’s involvement on a variety of educational, commercial, and industrial projects throughout the greater Houston area.
Houston, TX
Jaydeep Purandare, PE Associate
Growing Langan’s national PFAS practice in Southern California.
Irvine, CA
Eric Wittner Senior Project Manager
Growing Langan’s national
GIS services.
San Jose, CA
Robert Kovacs, PG, LSRP Senior Associate
Contributing to Langan's continued growth in Long Island and across New York City.
Melville, NY
Chris Buttermore, PE Associate
Growing Langan's Jacksonville office.
Jacksonville, FL
Jeff Ramey Wisconsin Operations Lead
Growing Langan's presence
in Wisconsin.
Milwaukee, WI
Todd Huntington, PE, LEED AP Associate Principal
Growing Langan's presence in Ohio.
Cleveland, OH
Anna Benton, PE Senior Project Manager
Expanding Langan’s national PFAS practice.
Arlington, VA
Fatma Cilu, PhD, PE Associate
Key leader in Langan's geotechnical practice helping to grow services throughout the Midwest.
Pittsburgh, PA
Beattie McNeal, CIH, CSP Client Manager
Bolstering Langan’s experience and advancing operational risk, EHS, and substainability expertise.
New Orleans, LA
Nicole Campo, AICP, WEDG Senior Advisor
Primarily focused on business development, technical approval, and analyses related to land use changes.
New York, NY
BJ Parekh, PE, LSRP Associate
Growing Langan's environmental consulting practice in New Jersey.
Parsippany, NJ
Andrew Horwath, PE Associate
Expanding Langan's presence in the Midwest.
Indianapolis, IN
Heather McDaniel McDevitt, RPA Associate
Expanding Langan’s cultural resources practice.
Santa Barbara, CA
Sushil Nadkarni Associate
Expanding Langan’s environmental services in Houston.
Houston, TX
Ryan Jorrey, PG Associate
Growing Langan’s environmental services in Los Angeles.
Los Angeles, CA
Sydney Rich, PE Senior Project Manager
Expanding Langan’s involvement on a variety of educational, commercial, and industrial projects throughout the greater Houston area.
Houston, TX
Jaydeep Purandare, PE Associate
Growing Langan’s national PFAS practice in Southern California.
Irvine, CA
Eric Wittner Senior Project Manager
Growing Langan’s national
GIS services.
San Jose, CA
Healthcare Group Grows in HQ
Environmental
Leader Expands
Team
HazMat Expert Scales
Practice
London Local
Grows UK
Office
Boosting
Our
Utility
Business
Significantly strengthened Langan’s healthcare practice in New Jersey
Seasoned industrial hygiene and hazmat expert who expanded Langan’s on-call agreements in NYC
Bolstered Langan’s environmental practice with the addition of multiple recurring corporate clients
Expanded Langan’s survey practice in the Northeast and Mid-Atlantic regions
Leader of Langan’s London office, increased the firm’s global visibility and capabilities
Chris Cirrotti Principal
Craig Napolitano Associate Principal
Tom Reeves Associate Principal
Dean Cadby Senior Technical Director
David Winslow Associate Principal
Acquihires that Add Value
Langan is the Place to Practice Your Craft & Grow Careers
How Can Langan Enhance Your Business?
Smart, smooth succession planning that recognizes the value of your firm and your people.
Equity opportunities for you and your premier performers.
Access to platinum-level clients in diverse sectors across the country and internationally.
Accelerated business growth driven by Langan’s scalable platform and resources.
Technical training and career development programs for your staff.
Best-in-class operations:
Financial
IT
Human Resources
Talent Acquisition
Operations
Business Development & Marketing
Legal
○
○
○
○
○
○
○
Learn More
In 2010, Langan acquired San Francisco-based Treadwell & Rollo, a highly respected geotechnical and environmental engineering firm. The two firms had much in common: both provided premier geotechnical engineering and environmental services, both enjoyed the respect of clients and peers, and both had similar cultural underpinnings.
Learn More >>
Learn More
In 2021, Langan acquired Dallas-based Adams Consulting Engineers. Shortly after opening in Houston, clients began requesting our services in Dallas-Fort Worth and Austin, and the addition of Adams gave us a substantial workforce in these major markets. Rob Adams had built long-standing relationships with clients and design partners, and their client-focused culture matched well with ours.
Learn More >>
Learn More
Langan acquired Navix Engineering, a leading data center site/civil engineering firm based in Bellevue, Washington in 2024. While both firms had independently grown successful data center practices around the country, the combination created powerful synergies. Navix brought deep expertise with hyper-scalers and co-location developers, while we could now offer their clients our environmental, geotechnical, and other technical services—making both firms stronger together.
Learn More >>
Learn More
Langan acquired JPH Land Surveying, a Dallas/Fort Worth-based firm founded in 2002 by Jon Hoebelheinrich. This was our second Texas acquisition and reinforced our commitment to the region. JPH had been collaborating with Langan for years and brought comprehensive surveying capabilities that strengthened our ability to serve clients across the Lone Star state.
Learn More
Founded in 2000, RSC brought expertise in real estate portfolio management and facilities optimization that aligned perfectly with our vision for data-driven client solutions. The acquisition advanced our rapidly growing digital solutions practice and our ability to help clients improve operational performance nationwide.
Learn More
In 2025, we acquired Houston-based ATR Engineering, a site/civil engineering firm founded in 2002 by Aaron Rendon. ATR specialized in land development across multiple sectors and brought strong local expertise and client relationships to our Houston office. This third Texas acquisition expanded our state workforce to 180+ employees.
Langan’s growth over the past 50+ years has been driven by our people and our performance-focused culture. That culture, paired with our commitment to exceptional client service, continues to fuel our success. At the same time, Langan has added several exceptional firms, expanded key practice areas, and added top-tier talent to our team.
Our ability to successfully integrate people to thrive at Langan and enhance their business has become one of our greatest strengths.
Learn More
Strategic Additions
Do you and your firm fit at Langan?
Partner with Langan
LOCATION
EMPLOYEES
OFFICE LOCATIONS
California
69
4
2010
ACQUISITION DATE
Geotechnical & Environmental
LOCATION
EMPLOYEES
OFFICE LOCATIONS
Texas
38
3
2021
ACQUISITION DATE
K-12, Residential, Retail
LOCATION
EMPLOYEES
OFFICE LOCATIONS
Pacific Northwest
40
2
2024
ACQUISITION DATE
Data Center Expertise
Culture Comes First
Successful partnerships are built on shared values. We look for firms whose people-first mindset, commitment to technical excellence, and client focus align with our own. When cultures align, teams integrate more smoothly, relationships stay strong, and growth feels natural, not forced.
TECHNICAL
EXCELLENCE
PRACTICAL
EXPERIENCE
CLIENT
RESPONSIVENESS
Our engineers, scientists, landscape architects, planners, surveyors, and technical specialists are recognized as the best in their respective disciplines. Using sound principles and proven concepts, our professionals are skilled problem solvers who deliver a high level of quality on each and every project.
With more than 50 years in practice, there is very little that we have not seen. We apply our collective knowledge to projects to achieve the best possible outcomes. Our experience in designing practical solutions that meet and exceed business objectives leads clients and partners to trust Langan … no matter the location, no matter the challenge
Technical excellence and practical experience are expected from consulting firms with a successful track record, but neither is more important than client responsiveness. Every employee at Langan is innately responsive – it's in our DNA. In fact, the majority of our business relationships are longstanding because of the client responsiveness that permeates our culture and differentiates Langan from the competition.
Strategic Hires
When we say that we’re a magnet for talent, we’re not making it up. Check out who has made the move to join Langan.
Robert Kovacs, PG, LSRP Senior Associate
Contributing to Langan's continued growth in Long Island and across New York City.
Melville, NY
Chris Buttermore, PE Associate
Growing Langan's Jacksonville office.
Jacksonville, FL
Jeff Ramey Wisconsin Operations Lead
Growing Langan's presence
in Wisconsin.
Milwaukee, WI
Todd Huntington, PE, LEED AP Associate
Growing Langan's presence in Ohio.
Cleveland, OH
Anna Benton, PE Senior Project Manager
Expanding Langan’s national PFAS practice.
Arlington, VA
Fatma Cilu, PhD, PE Associate
Key leader in Langan's geotechnical practice helping to grow services throughout the Midwest.
Pittsburgh, PA
Beattie McNeal, CIH, CSP Client Manager
Bolstering Langan’s experience and advancing operational risk, EHS, and substainability expertise.
New Orleans, LA
Nicole Campo, AICP, WEDG Senior Advisor
Primarily focused on business development, technical approval, and analyses related to land use changes.
New York, NY
BJ Parekh, PE, LSRP Associate
Growing Langan's environmental consulting practice in New Jersey.
Parsippany, NJ
Andrew Horwath, PE Associate
Expanding Langan's presence in the Midwest.
Indianapolis, IN
Heather McDaniel McDevitt, RPA Associate
Expanding Langan’s cultural resources practice.
Santa Barbara, CA
Sushil Nadkarni Associate
Expanding Langan’s environmental services in Houston.
Houston, TX
Ryan Jorrey, PG Associate
Growing Langan’s environmental services in Los Angeles.
Los Angeles, CA
Sydney Rich, PE Senior Project Manager
Expanding Langan’s involvement on a variety of educational, commercial, and industrial projects throughout the greater Houston area.
Houston, TX
Jaydeep Purandare, PE Associate
Growing Langan’s national PFAS practice in Southern California.
Irvine, CA
Eric Wittner Senior Project Manager
Growing Langan’s national
GIS services.
San Jose, CA
Robert Kovacs, PG, LSRP Senior Associate
Contributing to Langan's continued growth in Long Island and across New York City.
Melville, NY
Chris Buttermore, PE Associate
Growing Langan's Jacksonville office.
Jacksonville, FL
Jeff Ramey Wisconsin Operations Lead
Growing Langan's presence
in Wisconsin.
Milwaukee, WI
Todd Huntington, PE, LEED AP Associate
Growing Langan's presence in Ohio.
Cleveland, OH
Anna Benton, PE Senior Project Manager
Expanding Langan’s national PFAS practice.
Arlington, VA
Fatma Cilu, PhD, PE Associate
Key leader in Langan's geotechnical practice helping to grow services throughout the Midwest.
Pittsburgh, PA
Beattie McNeal, CIH, CSP Client Manager
Bolstering Langan’s experience and advancing operational risk, EHS, and substainability expertise.
New Orleans, LA
Nicole Campo, AICP, WEDG Senior Advisor
Primarily focused on business development, technical approval, and analyses related to land use changes.
New York, NY
BJ Parekh, PE, LSRP Associate
Growing Langan's environmental consulting practice in New Jersey.
Parsippany, NJ
Andrew Horwath, PE Associate
Expanding Langan's presence in the Midwest.
Indianapolis, IN
Heather McDaniel McDevitt, RPA Associate
Expanding Langan’s cultural resources practice.
Santa Barbara, CA
Sushil Nadkarni Associate
Expanding Langan’s environmental services in Houston.
Houston, TX
Ryan Jorrey, PG Associate
Growing Langan’s environmental services in Los Angeles.
Los Angeles, CA
Sydney Rich, PE Senior Project Manager
Expanding Langan’s involvement on a variety of educational, commercial, and industrial projects throughout the greater Houston area.
Houston, TX
Jaydeep Purandare, PE Associate
Growing Langan’s national PFAS practice in Southern California.
Irvine, CA
Eric Wittner Senior Project Manager
Growing Langan’s national
GIS services.
San Jose, CA
Contact Us
If you believe that you, your team, or your firm can become part of Langan, let us know.
Richard Burrow, Managing Principal rburrow@langan.com | 201.665.6413
Mark Devaney, Senior Principal mdevaney@langan.com | 201.312.4427
Healthcare Group Grows in HQ
Environmental
Leader Expands
Team
HazMat Expert Scales
Practice
London Local
Grows UK
Office
Boosting
Our
Utility
Business
Chris Cirrotti Principal
Craig Napolitano Associate Principal
Tom Reeves Senior Project Manager
Dean Cadby Senior Technical Director
David Winslow Senior Associate
Acquihires that Add Value
Significantly strengthened Langan’s healthcare practice in New Jersey
Chris Cirrotti Principal
Seasoned industrial hygiene and hazmat expert who expanded Langan’s on-call agreements in NYC
Craig Napolitano Associate Principal
Bolstered Langan’s environmental practice with the addition of multiple recurring corporate clients
David Winslow Senior Associate
Expanded Langan’s survey practice in the Northeast and Mid-Atlantic regions
Tom Reeves Senior Project Manager
Leader of Langan’s London office, increased the firm’s global visibility and capabilities
Dean Cadby Senior Technical Director
Langan is the Place to Practice Your Craft & Grow Careers
How Can Langan Enhance Your Business?
Smart, smooth succession planning that recognizes the value of your firm and your people.
Equity opportunities for you and your premier performers.
Access to platinum-level clients in diverse sectors across the country and internationally.
Accelerated business growth driven by Langan’s scalable platform and resources.
Technical training and career development programs for your staff.
Best-in-class operations:
Financial
IT
Human Resources
Talent Acquisition
Operations
Business Development & Marketing
Legal
○
○
○
○
○
○
○
○
Learn More
Learn More
Learn More
Learn More
Learn More
Learn More
In 2010, Langan acquired San Francisco-based Treadwell & Rollo, a highly respected geotechnical and environmental engineering firm. The two firms had much in common: both provided premier geotechnical engineering and environmental services, both enjoyed the respect of clients and peers, and both had similar cultural underpinnings.
Learn More >>
In 2021, Langan acquired Dallas-based Adams Consulting Engineers. Shortly after opening in Houston, clients began requesting our services in Dallas-Fort Worth and Austin, and the addition of Adams gave us a substantial workforce in these major markets. Rob Adams had built long-standing relationships with clients and design partners, and their client-focused culture matched well with ours.
Learn More >>
Langan acquired Navix Engineering, a leading data center site/civil engineering firm based in Bellevue, Washington in 2024. While both firms had independently grown successful data center practices around the country, the combination created powerful synergies. Navix brought deep expertise with hyper-scalers and co-location developers, while we could now offer their clients our environmental, geotechnical, and other technical services—making both firms stronger together.
Learn More >>
Langan acquired JPH Land Surveying, a Dallas/Fort Worth-based firm founded in 2002 by Jon Hoebelheinrich. This was our second Texas acquisition and reinforced our commitment to the region. JPH had been collaborating with Langan for years and brought comprehensive surveying capabilities that strengthened our ability to serve clients across the Lone Star state.
Founded in 2000, RSC brought expertise in real estate portfolio management and facilities optimization that aligned perfectly with our vision for data-driven client solutions. The acquisition advanced our rapidly growing digital solutions practice and our ability to help clients improve operational performance nationwide.
In 2025, we acquired Houston-based ATR Engineering, a site/civil engineering firm founded in 2002 by Aaron Rendon. ATR specialized in land development across multiple sectors and brought strong local expertise and client relationships to our Houston office. This third Texas acquisition expanded our state workforce to 180+ employees.
LOCATION
EMPLOYEES
OFFICE LOCATIONS
California
69
4
2010
ACQUISITION DATE
Geotechnical & Environmental
LOCATION
EMPLOYEES
OFFICE LOCATIONS
Texas
38
3
2021
ACQUISITION DATE
K-12, Residential, Retail
LOCATION
EMPLOYEES
OFFICE LOCATIONS
Pacific Northwest
40
2
2024
ACQUISITION DATE
Data Center
Partner with Langan
Langan’s growth over the past 50+ years has been overwhelmingly organic – driven mostly by our people and our performance-focused culture. That focus, paired with our commitment to exceptional client service, continues to fuel our success. At the same time, Langan has built a reputation in the AEC industry as a thoughtful strategic acquirer. We have added several exceptional firms, expanded key practice areas, and added top-tier talent to our team.
Our ability to find the right partners, and successfully integrate people who thrive at Langan, has become one of our greatest strengths.
Learn More
Strategic Additions
Do you and your firm fit at Langan?
Culture Comes First
Successful partnerships are built on shared values. We look for firms whose people-first mindset, commitment to technical excellence, and client focus align with our own. When cultures align, teams integrate more smoothly, relationships stay strong, and growth feels natural, not forced.
TECHNICAL
EXCELLENCE
PRACTICAL
EXPERIENCE
CLIENT
RESPONSIVENESS
TECHNICAL
EXCELLENCE
Our engineers, scientists, landscape architects, planners, surveyors, and technical specialists are recognized as the best in their respective disciplines. Using sound principles and proven concepts, our professionals are skilled problem solvers who deliver a high level of quality on each and every project.
With more than 50 years in practice, there is very little that we have not seen. We apply our collective knowledge to projects to achieve the best possible outcomes. Our experience in designing practical solutions that meet and exceed business objectives leads clients and partners to trust Langan … no matter the location, no matter the challenge.
Joining Langan gave me the opportunity to refocus on what I love—engineering and client management—while shedding daily back-of-house responsibilities.
- Rob Adams, Formerly with Adams Consulting Engineers
We joined Langan to grow alongside our clients, while continuing to build and maintain trusted, long-term relationships.
- Paul Manzer, Formerly with Navix Engineering
What impressed me about Langan is its strong emphasis on career growth and opportunities for staff, supported by the development of technical and management capabilities.
- Lori Simpson, Formerly with Treadwell & Rollo
“Coming into Langan allowed me an opportunity to get back to doing the things I really love – engineering, client management – all the things our team needs to function well. It allowed me to shed the back of house responsibilities I was dealing with day-to-day.”
- Rob Adams, Formerly with Adams Consulting Engineers
“Coming into Langan allowed me an opportunity to get back to doing the things I really love – engineering, client management – all the things our team needs to function well. It allowed me to shed the back of house responsibilities I was dealing with day-to-day.”
- Rob Adams, Formerly with Adams Consulting Engineers
Strategic Hires
When we say that we’re a magnet for talent, we’re not making it up. Check out who has made the move to join Langan.
Robert Kovacs, PG, LSRP Senior Associate
Environmental
Melville, NY
Chris Buttermore, PE Associate
Site/Civil
Jacksonville, FL
Jeff Ramey Wisconsin Operations Lead
Environmental
Milwaukee, WI
Todd Huntington, PE, LEED AP Associate Principal
Site/Civil
Cleveland, OH
Anna Willett, PE Senior Project Manager
Environmental
Arlington, VA
Fatma Cilu, PhD, PE Associate
Geotechnical
Pittsburgh, PA
Beattie McNeal, CIH, CSP Associate
Environmental
New Orleans, LA
Nicole Campo, AICP, WEDG Senior Advisor
Environmental
New York, NY
BJ Parekh, PE, LSRP Associate
Environmental
Parsippany, NJ
Andrew Horwath, PE Associate
Environmental
Indianapolis, IN
Heather McDaniel McDevitt, RPA Associate
Environmental
Santa Barbara, CA
Sushil Nadkarni Associate
Environmental
Houston, TX
Jaydeep Purandare, PE Associate
Environmental
Irvine, CA
Eric Wittner Senior Project Manager
Applied Technologies
San Jose, CA
Leo O’Brian
Senior Associate
Landscape Architecture + Planning
San Antonio, TX
John Kastner Associate
Site/Civil
Milwaukee, WI
Matt Strange Senior Project Landscape Architect
Landscape Architecture + Planning
Chicago, IL
Al Jones
Senior Associate
Geotechnical
Boston, MA
Ryan Jorrey, PG Associate
Environmental
Los Angeles, CA
Tom Mead Senior Project Landscape Architect
Landscape Architecture + Planning
Tampa, FL
