Jim Stamatis, PE | Chief Executive Officer

D. James Stamatis, Chief Executive Officer, Louis Berger

In his current role as chief executive officer of Louis Berger, Jim Stamatis is responsible for the company's growth and strategic direction. He most recently served as president of Louis Berger International, and prior to that led the company's U.S. operation. Stamatis joined the firm more than 25 years ago and has held a number of leadership roles, helping to develop and expand the firm’s U.S. practice and serving in succeeding roles of responsibility from project manager to client manager to principal-in-charge for a range of complex infrastructure, facilities and environmental projects. Stamatis attended Pennsylvania State University and completed his undergraduate studies at NJIT. He is a licensed professional engineer and is active in several industry associations.

Meg Lassarat, CPA | Chief Financial Officer

Meg Lassarat, Louis Berger Chief Financial Officer

As chief financial officer (CFO) and executive vice president, Meg Lassarat is responsible for Louis Berger’s corporatewide financial performance and overseeing the finance and accounting function in support of corporate strategic goals. Lassarat brings more than 30 years of financial management experience to Louis Berger, including more than 13 years of experience serving as the CFO for a range of publicly traded, privately held and private equity-backed professional services firms. Her extensive experience includes leading large-scale corporate expansions, financial turnarounds and more than 500 acquisitions. Most recently, she served as the CFO and director at Kentz Engineering & Constructors, a $1.5 billion FTSE 150 London-listed engineering firm. Lassarat earned her bachelor's degree in accounting from Texas A&M University. 

James G. Bach | President, International

James G. Bach, President of Louis Berger's International division

James G. Bach is the president of Louis Berger International, which provides localized expertise and client focus for clients outside of the U.S. In this role, he provides strategic and operational oversight between regional divisions to ensure cross-sharing of technical expertise to deliver successful client programs. Bach most recently served for four years as the chief operating officer for Louis Berger’s headquarter operations, reporting to the company’s chief executive officer. He previously served as chief operating officer for Louis Berger’s U.S. division. Bach played a key role in Louis Berger’s efforts to transform the company’s corporate culture and operations between 2007 and 2013. During the past 30 years, he has held a series of leadership roles within the company, including leading the U.S. operations segment and serving as principal-in-charge for the Port Authority of New York and New Jersey. Bach is a professional planner in New Jersey and holds a master’s of city and regional planning from Rutgers University.

Thomas G. Lewis, PE, JD | President, U.S.

Thomas G. Lewis, P.E., J.D., President of Louis Berger Group

Thomas G. Lewis is the president for the Louis Berger U.S. operating company, which serves U.S. clients domestically and abroad as well as international development clients worldwide. In this role, Lewis provides strategic direction for operations, client delivery and company growth. Lewis fills this role following service as the U.S. segment group vice president and previously as the environmental and disaster management services business unit manager. He earned a Bachelor of Science in civil engineering and a master’s in geotechnical engineering from the University of Connecticut, and a Juris Doctor in environmental law from Rutgers University. He is a licensed professional engineer in three U.S. states and has been a national committee member for the Transportation Research Board for more than 10 years.

Andrew V. Bailey | President, Services

Andrew V. Bailey, President, Louis Berger Services

Andrew V. Bailey is the president of Louis Berger’s Services operating company. He provides strategic direction for the operations & maintenance (O&M) practice, ensuring the sustainability and long-term benefits of infrastructure operations, maintenance, logistics and ground support services to clients worldwide. Previously, he led the global operations segment under Louis Berger Group, overseeing the delivery of critical programs and construction projects in complex environments including South Sudan, Iraq and Afghanistan. Bailey has more than 35 years of infrastructure development, implementation and sustainment experience. Bailey received a bachelor's degree in Urban Affairs from Virginia Polytechnic and State University and a Masters in Business Administration from Virginia Commonwealth University.

Adelle Elia, CCEP, CIA | Chief Integrity Officer

Adelle Elia, Chief Integrity Officer at Louis Berger

Adelle Elia serves as chief integrity officer at Louis Berger, where she is responsible for the company’s global compliance and ethics function, reporting to the audit committee of the board of directors. In addition to leading a global compliance and ethics team, Elia’s responsibilities include educating, assessing, training and overseeing compliance in alignment with the organization’s core values. Elia brings 25 years of experience serving in compliance, audit and business systems roles for consulting firms and global corporations, including LRN, GTSI Corp., International Network Services, Wachovia Bank and US Investigations Services. She is a certified compliance and ethics professional and a certified internal auditor. She also is a member of the Society of Corporate Compliance and Ethics and the Institute of Internal Auditors. Elia earned a Bachelor’s of Science in Mathematics and Physics from the University of Miami.