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Press Releases

Welcome to our newsroom! Here you will find the latest information about our company, projects and people. Browse articles published by our engineers and scientists in national publications and conference proceedings, view our press releases and read through news coverage of Terracon.

If you are a member of the media, you may contact our media relations representative at media@terracon.com.

Terracon Names Packer Chief Executive Officer and President

Press Releases posted 01.17.2019.

Growing Company Selects Leader for the Future Gayle Packer, Terracon CEOOLATHE, Kan. —  Terracon is pleased to announce M. Gayle Packer is now chief executive officer and president of Terracon Consultants, Inc. This completes a deliberate, multiyear CEO succession process, and follows her appointment as president in June 2018.

Packer was unanimously approved to serve in the joint role as chief executive officer (CEO) and president by Terracon’s Board of Directors at its Jan. 10 meeting. She succeeds David Gaboury, P.E., who served in both capacities for more than 16 years and most recently as CEO. Gaboury continues as Terracon’s chairman through 2021.

“Our talented and dedicated employee-owners work hard every day to serve our clients’ needs and positively impact our communities,” Packer said. “It is a privilege to be a part of such a great company and I am excited to continue our journey together to become even more innovative and better as we grow.”

Since joining Terracon in 2004, Packer has been highly successful in roles of progressive responsibility within the company. She has gained superior knowledge of Terracon’s corporate functions and national network of offices, serving as a member of the Executive Committee since 2007 and Board of Directors since 2011. Throughout her career at Terracon, she has served as contracts manager, general counsel, director of corporate services, and prior to being named president, executive vice president and chief administrative officer (CAO). As CAO, Packer coordinated the acquisition and integration of more than 50 companies, 100 offices and 2,000 employees.

“Gayle’s track record of success at Terracon makes her uniquely qualified to lead the firm going forward,” Gaboury said. “She is well aligned with our history, values and long-term prosperous growth strategies, which will provide continuity, and she will bring her perspective and fresh approach to our continued success.”

Terracon is an employee-owned engineering consulting firm with more than 4,500 employees providing environmental, facilities, geotechnical, and materials services from more than 140 offices with services available in all 50 states. Terracon currently ranks 24th on Engineering News-Record’s list of Top 500 Design Firms.


Terracon Purchase of St. John-Mittelhauser & Associates Enhances Midwest Environmental Services

Press Releases posted 01.03.2019.

Company Deepens Expertise in Remediation, Site Investigation

OLATHE, Kan. – Terracon is pleased to announce its acquisition of St. John-Mittelhauser & Associates, Inc. (SMA). This acquisition enhances Terracon’s environmental services offerings and expertise in the Upper Midwest region.

Founded in 2007, SMA leverages decades of experience to deliver environmental consulting, investigation, remediation, data management and 3D visualization solutions to clients from its headquarters in Chicago (Downers Grove, Ill.) and offices in St. Louis (Hartford, Ill.), Rockford, Ill., and Indianapolis. SMA serves clients including industrial manufacturers, insurance companies, real estate developers, state and local agencies, and energy companies.

“SMA’s environmental consulting capabilities complement and align with our environmental service offerings in the Midwest and nationally,” said Gayle Packer, Terracon president. “Their expertise and depth of experience with clients in Indiana and Illinois enhances our presence in the region.”

The company and its 31 employees, including geologists, engineers, scientists, field professionals, data analysts and administrative staff, will continue to serve clients locally as St. John-Mittelhauser & Associates, A Terracon Company.

“We are proud of the strong client relationships we have built over the years and that our expertise and quality of services have led us to this opportunity,” said Ron St. John, PHG, CPG, co-founder and principal hydrogeologist. “Drawing on Terracon’s national network, we are able to offer greater resources and a broader range of services to our employees and clients.”

The new acquisition is supported by Terracon’s existing offices in Glendale Heights and Rockford, Ill., Indianapolis, and St. Louis. SMA is Terracon’s sixth acquisition since the beginning of 2017.

Terracon is an employee-owned consulting engineering firm with more than 4,000 employees providing environmental, facilities, geotechnical, and materials services from more than 140 offices with services available in all 50 states. Terracon currently ranks 24th on Engineering News-Record’s list of the Top 500 Design Firms.


Terracon Foundation Awards $100,000 Grant for Geotechnical Laboratory at the Department of Civil and Environmental Engineering at the University of Illinois

Press Releases posted 12.17.2018.

Urbana, Ill. — The Terracon Foundation announced a $100,000 grant to the Department of Civil and Environmental Engineering (CEE) at the University of Illinois at Urbana-Champaign (Illinois) for a new geotechnical laboratory planned as part of the CEE Modernization Plan Phase II now underway.

The hands-on instructional laboratory honors those who built the geotechnical engineering program at the university, including Karl von Terzaghi, Ralph B. Peck and Don U. Deere. The Terracon Foundation made the grant in honor of company founder and University of Illinois alumnus Gerald Olson, who was inspired to pursue the field of geotechnical engineering after attending an impactful lecture by Karl Terzaghi.

“Terracon has a history of supporting the next generation of civil and environmental engineers through its relationship with the University of Illinois,” said Brian Porter, P.E., Terracon’s St. Louis office manager.

The Terracon Foundation has been making grants to individual CEE students for more than 25 years.  This is the first year a grant is being awarded to a capital campaign for CEE engineering education facilities at the University of Illinois.

“We are deeply grateful to Terracon for all their support over the years, but especially for this latest gift to the CEE Modernization Project. Their generous gift in support of the Geotechnical Engineering Instructional Laboratory honoring some of the great geotechnical engineers of the department’s history – Karl Terzaghi, Ralph Peck and Don Deere – will inspire and benefit students for generations to come,” said Benito Mariñas, Ph.D., head of CEE at Illinois.

For more information about CEE at Illinois, visit cee.illinois.edu.

For more information about the Terracon Foundation and other organizations it has supported, visit terracon.com/foundation


Terracon Names Adrian Keller as National Manager for the Transportation and Infrastructure Sector

Press Releases posted 11.06.2018.

OLATHE, Kan. — Terracon, a nationally known and respected consulting engineering firm, has named Adrian Keller, P.E., R.G., G.E., as National Manager for the Transportation and Infrastructure Sector specializing in geotechnical engineering services.

Keller joins Terracon with a proven track record of professional engineering experience spanning more than 20 years, including leadership of engineers and geologists on multi-discipline transportation projects, technical delivery, and team management. Based in Terracon’s corporate office, Keller will focus on technical leadership and delivery of major transportation infrastructure projects.

“Geotechnical engineering has been the focus of my career and I’m excited to be working for Terracon where geotechnical engineering is at the core of their business,” Keller said.

With more than 20 years of experience including positions at Aurecon (New Zealand) and HNTB Corporation (Kansas City), Keller has delivered transportation projects internationally and across the U.S.  He is a licensed professional engineer in six states, a registered geologist in Missouri and a licensed geotechnical engineer in California. Keller earned his Bachelor of Science in geology and his Master of Science in civil engineering from the University of California, Los Angeles. His professional affiliations include roles with the Board of Directors for the Kansas City section of the American Society of Civil Engineers, the Deep Foundations Institute, and the Association of Environmental and Engineering Geologists.

Terracon is an employee-owned engineering consulting firm with more than 4,000 employees providing environmental, facilities, geotechnical, and materials services from more than 140 offices with services available in all 50 states. Terracon currently ranks 24th on Engineering News-Record’s list of Top 500 Design Firms. For additional information about Terracon, visit www.terracon.com.


Terracon Foundation Awards $10,000 in Grants to Heart to Heart International for Hurricane Michael and Hurricane Florence Relief

Press Releases posted 10.24.2018.

OLATHE, Kan. — The Terracon Foundation announced two $5,000 grants to Heart to Heart International for Hurricane Michael and Hurricane Florence relief efforts, to support deployment of medical teams to treat patients and administer vaccines to those impacted by the storms.

“Terracon is pleased to support Heart to Heart in its efforts to provide hurricane relief services to the communities where our employee-owners and clients live and work,” said Gayle Packer, Terracon president. “We value the opportunity to give back to those who need critical assistance at this time.”

“The incredible support from Terracon Foundation and other partners enables us to rapidly deploy experienced, dedicated medical teams to disaster-affected areas. Medical needs are vast following a disaster. Being able to provide health and hope to people struggling through terrible ordeals is why Heart to Heart International was founded, and why we are so grateful to our supporters and partners,” said Kim Carroll, president and chief operating officer, Heart to Heart International.

Heart to Heart International strengthens communities through improving health access, providing humanitarian development and administering crisis relief worldwide. For more information, visit www.hearttoheart.org.

For more information about the Terracon Foundation and other organizations it has supported, visit www.terracon.com/foundation.

Terracon is an employee-owned engineering consulting firm with more than 4,000 employees providing environmental, facilities, geotechnical, and materials services from more than 140 offices with services in all 50 states. Terracon currently ranks 24th on Engineering News-Record’s list of Top 500 Design Firms. For additional information about Terracon, visit www.terracon.com.